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Sunset Bay Triathlon is a triathlon tournament with the distance of 51.5 according to Olympic standards (World Sports Congress) with Swimming 1.5km - Cycling 40km - Jogging 10km taking place in Tuan Chau Island, Ha Long

Located in the heritage of the World Natural Wonders of Ha Long Bay, Tuan Chau Island creates a closed and isolated playground that is not affected by outside traffic, which will definitely give athletes the great experiences.

Starting in the afternoon, Sunset Bay Triathlon is also the first Triathlon tournament in Vietnam, athletes can fully enjoy the beauty of the sunset on this beautiful island when they finish and burn out at the party. the night after the thrilling race right by the beach.

#sunsetbaytriathlon #breakyourlimit


Sunset Bay Triathlon is an Olympic-standard 51.5 triathlon tournament with Swimming 1.5km - Cycling 40km - Jogging 10km taking place on Tuan Chau Island. 


Athletes experience a swimming bow located in the world natural heritage of Ha Long Bay. Cycling and running between the green coconut trees, along the beach with the sunset sunlight.


Opportunities for non-professional 3 sports athletes to practice and exercise health and determination to conquer themselves in the tournament. The relay event welcomes groups / teams / friends to join.


Starting on the afternoon of Saturday, athletes can enjoy the beauty of the sunset when they finish and burn their hearts out at the party after a thrilling race right on the beach.



The competition category is for individuals who have endurance, strong spirit of competition and are ready to conquer the race alone.


Do you want to participate in a triathlon competition and break out in the subject that is most powerful? Find a friend to join the team right away.



Cut-off time: 60 minutes


Cut-off time: 1 hour 50 minutes


Cut-off time: 1 hour 40 minutes


Super Priority
Solo - 3,299,000 VND
Relay - 3,465,000 VND
Early Bird
Solo - 3,699,000 VND
Relay - 4,125,000 VND
17/5 - 31/8
Solo - 4,299,000 VND
Relay - VND 5,499,000
1/9 - 15/9
Solo - 4,999,000 VND
Relay - 5,899,000 VND

Payment methods

Players can pay electronically through the OnePay payment gateway by using VISA, MASTER, AMEX or domestic ATM card.

Change registration information

  1. Athletes can change registration information, including: Name on BIB, Shirt Size, Address and Emergency Contact Information on the registration portal. Deadline: September 5, 2021.
  2. Players are not allowed to transfer BIB during Super Priority and Early Bird registration
  3. BTC only allows transfer of BIB in Standard and Late. Deadline: September 5, 2021.



9:00 – 17:30

Play Racekit

14:00 – 16:00

Open a test swim for athletes

16:30 – 17:30

Disseminate contest content, answer questions


7:00 – 10:30

Players register their bicycles to enter the Transition

7:00 – 9:00

Racekit distribution

12:45 – 17:35


17:00 – 19:00

Participants receive their bicycle back, check-out from the transition yard

19:00 – 21:00

Dinner and Awards Ceremony



  1. The Organizer reserves the right to amend the tournament rules and regulations without prior notice.
  2. The Organizing Committee reserves the right to modify the race track without the consent of the participating athletes.
  3. In extreme weather conditions, the Organizing Committee reserves the right to delay the start time, shorten the race or change the track.
  4. If the weather continues to be severe after the delay, or in the event of an uncontrolled disease (COVID-19), the Organizer reserves the right to cancel the tournament without any refund. .
  5. The Organizing Committee reserves the right to request any participant to stop playing if he / she is deemed not to be able to continue the race. The medical officer is the final authority to decide to exclude a runner from the race if he is judged that the athlete is not fit to continue playing and is in danger of causing serious injury to himself or herself or others. The runner will be transported off the track by a medical team.
  6. The Organizer reserves the right to use any pictures of the race and of the runner for legitimate purposes, including advertising.
  7. All disputes and claims regarding competition results must be sent to the Co-organizer in writing, including email within one hour of the end of the final race and will be responded to within 03 (three). ) business days of race / event end date unless there is specifically any other incident affecting the process.
  8. Although reasonable precautions will be taken by the Organizing Committee to ensure the safety of the athletes, the athletes must still bear their own risk and the Organizer will not be responsible for any shock. injury or loss of life. Participants are encouraged to have a medical check-up and / or consult their doctor before registering to participate in the tournament and before the tournament date. All medical expenses incurred during the race are covered by the runner.
  9. Athletes may be required to undergo stimulant testing before and after the event. If asked to do so, the participant in this way agrees to follow the testing procedures. If a participant tests positive to any banned or illegal substance they will be disqualified.
  10. Relay teams must have 2 to 3 athletes. A relay player can only play for one team. An individual content competitor cannot participate in the relay stream.
  11. The athletes agree to participate in the contest must sign a disclaimer provided by the organizer. A participant refuses to sign the disclaimer is considered refusing to participate in the contest.


  1. Participants must be 18 years old or older. The athlete's age is calculated on the basis of the competition date of the year the event is held (athletes have their 18th birthday before the date of the event's disclaimer), including all members of the event. team competition.
  2. Players are only allowed to start the competition when there is a signal from the Organizers, all actions before this point will be considered as a violation and disqualified. Players are allowed to depart later than the signal time issued by the Organizer but not more than 10 minutes unless otherwise notified by the Organizer.
  3. Participants have a maximum time of 60 minutes to complete the swim part, 2 hours 50 minutes (from the start of the swim) to complete the swim - pedal session and 4 hours 30 minutes (from the start of the swim) to complete the entire contest. A participant must complete all 3 races before the cutoff time or else they will be disqualified from the competition. A disqualified participant (or late hours after swimming and cycling) will not be allowed to continue the competition, in which case the participant's item at the transition area will be sealed and returned to the player upon collection. bicycles at the drop-off counter.
  4. Athletes must give way to medical and emergency personnel throughout the race regardless of their current position in the race.
  5. All runners will hand over their time chips to the BTC member upon completion of the race. If a participant loses or forgets their chip time before swimming, they must immediately report to the race supervisor at the swim start area. If the time chip is lost during the race, the participant must report it to the race supervisor and pay the replacement fee upon completion of the race.
  6. The athlete does not use any equipment to distract, interfere with the athlete's perception of the surrounding environment. Distracting use of the device will result in disqualification.
  7. Players are not allowed to use headphones. Any type of communication or entertainment device is strictly prohibited during competition.
  8. Cameras, phone cameras and video cameras are prohibited unless authorized by the Organizer. Participants seen using a camera, phone camera or video camera will be disqualified from the race.
  9. Participants must move along the announced route. A participant moves out of the track as announced by the Organizing Committee, the Committee has the right to remove a participant from the race. If a participant needs to leave the track, the participant will have to start again at the starting point before continuing;
  10. Players are not allowed to receive any outside help (including fans, relatives, ...), athletes are allowed to receive assistance from athletes in case of emergency and from BTC members; A participant may not use any equipment provided by another participant if it results in the participant's inability to continue with his or her own race. These include, but are not limited to: shoes, complete bikes, frames, wheels and helmets. The penalty for this will be disqualification for both players.
  11. Runners must not dispose of trash outside of the designated area. Waste includes, but is not limited to, water bottles, gel packs, nutritional bar wrappers, etc.
  12. Participants must notify the organizers immediately after withdrawing from the race.
  13. Except for swimming, runners must be dressed for the entire duration of the race, zippered clothing in the front that cannot be zipped below the brisket. Players are not allowed to be naked during the entire match.
  14. Players must abide by the Rules of the tournament, local laws and ordinances and avoid all forms of political, religious or racial propaganda. Failure to comply with local laws or ordinances will result in disqualification;


  1. The Organizing Committee does not accept on-site registration;
  2. The Organizer reserves the right to limit and decline subscriptions without stating the reason.
  3. Participants must complete the contents of the registration form, including online registration and documents proving that the participant agrees to comply with the rules and regulations of the tournament.
  4. The Organizer will not be responsible for any disputes arising from incomplete and / or inaccurate information given by the participant.
  5. Race registration will only be confirmed once the registrant has completed full payment of the registration fee.
  6. Once the registration form has been submitted, the Organizing Committee will not refund the fee for any reason, even if the subscriber does not participate.
  7. The registrant is entitled to transfer the entries to the race, the deadline is before September 15, 2020.
  8. The runner is required to join the race with his correct name registered and the BIB number provided by the organizers. In the event that a participant participating in a race with a contest without his name, the Organizer has the right to disqualify that participant and will not recognize their result. In the event that a participant does not bring their correct BIB number, the participant will be solely responsible in case they cause an accident for themselves and others, or any accident or incident arisen. concern them.
  9. This is a race that is completely banned, any non-BTC vehicle moving into the support / cheer race of the athlete and the participant responds will be considered a violation and the Organizer reserves the right to remove that athlete from race. 10. The Organizing Committee reserves the right to stop accepting registration before the end date of registration if the number of participants has been reached before the above date.



  1.  All participants must wear a swimming hat, chip time and wristband in accordance with the regulations provided by the Organizing Committee.
  2.  Participants must wear swimming goggles
  3.  Swimming will start at 12:45 a.m. with different turns (for professional athletes, the rest of the swimmers are expected to start at 13:02 October 2, 2021). Participants will be graded based on their previous classification registrations or / and enter the form provided by the Organizing Committee based on the (scheduled) lap time and will wait for their turn at the starting area. The starting point will be on the beach in front of the welcome gate indicating the starting location. Age Group Players will start based on the completion time of the swim session and start at 13:00 with the following order:
    3.1 Group of semi-professional / professional athletes (expected time to complete the swimming component is less than 25 minutes) - 12:45
    3.2 Group of high-performing athletes (estimated swimming time to complete the session from 25 minutes to 30 minutes) then to the other group (estimated time to complete the swim component)
    over 30 minutes) - 13h00. The last participant to have a valid departure is no more than 20 minutes from the start of Wave <25 minutes.
    Note: Athletes must be honest and organize themselves correctly based on the scheduled time to complete their swimming session.
  4.  Can use all styles of swimming. The participant must complete the entire swim stage without assistance, otherwise they will be disqualified from the race.
  5.  All swimmers must have identification numbers marked on their hands or feet.
  6.  Do not wear fan tables, paddles, swim floats, snorkels or any other swimming aid.
  7.  Any assistance that helps the athlete move forward leads to a penalty. Participants are allowed to hold buoys (buoys), use Organizers' boats for support, but strictly prohibit the use of such means / aids to induce forward movement. Violators will be disqualified from the race. Swimwear must be 100% woven. This material is defined as a material consisting of natural fibers and / or synthetic fibers, individually or combined to be used and made up of fabric by weaving, knitting and / or braiding only from nylon or lycra thread and which is not have any rubber material like polyurethane or neoprene)
  8.  Do not wear wetsuit unless the water temperature is below 24.5 degrees Celsius. Wetsuit is required if the water temperature is below 16 degrees Celsius. Wetsuit can cover any part of the body except the face, arms or legs; The thickness of any part of the wetsuit should not exceed 5mm.
  9. In the absence of the use of a wetsuit, any clothing that covers the arm under the elbow and / or covers the leg below the knee is considered a violation and is not allowed throughout the swimming section but may be worn after complete swimming component;
  10.  None other than the participants and the Organizer are allowed in the swimming area.
  11.  A swimmer having difficulty and in need of help should raise his hand above his head and bounce up and down to call or seek help. The participant who receives assistance will be forced to withdraw the race, like it or not, except that assistance does NOT help the participant move forward. Note: A participant is not allowed to return to the race if official support requires the participant to withdraw from the race or receive medical assistance.
  12. If a participant decides to give up swimming, he or she needs to remove his swimming cap and raise an arm waving at the lifeboat for assistance.
  13.  Regulation time: Each participant will have 60 minutes to complete the swimming course. The swim track will be closed after 60 minutes when the runners start the last round. The athletes who exceed the above time are forced to stop at the following positions: Point to shore; Transition Area.
  14.  The swimmers who swim past the allotted time will not be allowed to take the next section and receive DNF results (Did Not Finish, incomplete). This also applies to relay teams.
  15.  The Organizer reserves the right to require athletes to leave the swim lane 60 minutes after the last runner started. This also applies to relay teams. The transport Canoe will pass the race area 60 minutes after the last runner starts swimming (Exceeding the COT of the swim part) to assemble the athletes who are unable to complete the race due to health reasons or for some reason. Runners gathered by this canoe will be considered unable to complete the race.


  1. Participants participating in cycling (including moving in / out of transition areas) must wear a helmet on and off. Runners need to ensure that their helmets meet safety standards.
  2.  A bicycle is a vehicle that is pedaled forward through a chain component, with two legs acting in a circular motion and without any mechanical or other assistance. Beach bicycles, non-brake bicycles, folding bikes and bicycles with brakes are prohibited. A twin bike, recumbent bike, bike fitted with aerodynamic dampers or any auxiliary device designed to reduce resistance is not permitted. Any new, exotic, or original equipment will be judged for validity from race surveillance and technical supervision.
  3.  All vehicles must have brake operating on each wheel. It is the rider's responsibility to ensure that their bike and bike brake are in good working order.
  4.  Wheels: The wheel or wrapped wheel is for the rear wheel only. However, this rule is subject to change by contest supervisors for safety reasons, eg high winds.
  5.  All bikes must be checked-in at the Transition Zone and on Saturday morning 2 October 2021. It is the participant's responsibility to bring them on time. Participants must register their own vehicle and must have a saddle ID showing their race ID. Vehicles without a race number will not be allowed
    registry. Athletes are only allowed to pick up their bikes and competition equipment to put in the Transition area (check-out) after the cycling competition has ended completely according to the announced schedule.
  6. Players getting on and off the bus are only allowed in the designated areas. Do not cycle in transition at any time.
  7.  If the bike breaks down, a participant has to do it himself. A participant may receive assistance from the Organizer or another player, but must not interfere with the player's performance. Outside assistance from non-participants or spectators are not allowed during the race. This means that food, water, tools, or replacement wheels cannot be accepted from anyone not directly involved in the event.
  8.  If the bike is out of operation, the runner may continue the race on the bicycle track by running / walking while carrying or pushing the bicycle beside, however, must not obstruct or create unsafe conditions for the bike. Other athletes;
  9.  Athletes must ensure that their ID number is clearly displayed on the match kit and vehicle throughout the match (including transition area).
  10.  The athlete controls the vehicle on the right side of the road. Pass on the left and return to the right as soon as it is safe to do so.
  11.  The transporter will pass the race area 2 hours 50 minutes after the swim starts (Exceeding the COT of the cycling section) to gather the athletes who are unable to complete the race due to health or malfunction. Skill. Runners gathered by this vehicle will be deemed unable to complete the race.
  12.  The participant must complete the entire race without assistance, otherwise they will be disqualified from the race.
  13.  It is the responsibility of the athletes to know and follow the racing course schedule. There is no time or result adjustment for runners that do not follow the scheduled route for any reason.
  14.  The time limit for the bicycle race is 2 hours and 50 minutes from the time the swimmer starts swimming. Any participant who does not complete Swimming and Cycling during this time will result in a DNF. This includes relay teams.
  15. Provisions on bike windshield (windbreak):
    o This is a no-breeze race,
    o The windshield area is 10 meters long, measured from the top edge of the front wheel and extended to the back of the bicycle (equivalent to 5 times the length of the bike in the free space between vehicles).
    o Bumping is the action when a participant maintains his or her position for more than 20 seconds in the Hide Zone.
    o Participants may enter another competitor's windbreak area when passing and must leave the area for up to 20 seconds.
    o When a participant moves into another participant's wind-free area, he must continue to cross the area for a maximum of 20 seconds;
    o The overtaken participant must immediately leave the wind-clearance area of the runner who has passed it within a maximum of 20 seconds or he / she will be counted as a dodging regulation violation;
    o A participant who has just been overtaken to overtake before leaving the wind-off area will be considered a wind-avoidance violation -
    o Participants who interfere with the movement of other athletes will be penalized;
    o Parallel cycling is not allowed and is another blocking of vehicles;
    o A runner may enter the windbreak area without penalty under the following conditions only:
    • If a participant enters a windbreak area and completes a turn within 20 seconds;
    • For safety reasons;
    • Entering and exiting a support station or transition area;
    • A sharp turning point;
    • If a Race Officer announces a narrow track, construction work, detour or other safety reason.
  16. In the event that there are vehicles (motorbikes, cars) on the duty of the organizers moving, it is completely forbidden to wind these vehicles. regulations wind the wind
    BTC's vehicles are as follows:
    o Motorbike windshield: the area for motorbike windshield is 15 meters from the edge of the front wheel. This contest forbids motorbikes.
    o Car spoiler: the wind cover for cars is 35m from the front edge of the front wheel. This contest is forbidden to wind up cars.


  1. A participant must wear a BIB number on their body at all times (wear a bib on the front of the face in a position that is easy to see and ensure that the participant's bib number is easily readable by another participant during the match. used to secure the Contest ID Number folding, cutting the bib number, intentionally changing, or not wearing a bib number is prohibited and leads to disqualification;
  2.  Outside assistance from non-participants or spectators are not allowed during the race. This means that food, water, heat-reducing devices (assistance by means, etc.) cannot be accepted from anyone not directly involved in the event. Receiving outside assistance will result in disqualification.
  3.  Athletes must run on the correct track. Any arbitrary change of the track can cause the athlete to be disqualified.
  4. Do not get naked during the entire match. Violation of the rules will result in a penalty and warning until the participant must put on the shirt. If a participant continues to wear a shirt while running,
    Participants will be disqualified.
  5.  Friends, family members and / or other spectators are not allowed to cross the finish line or enter the finish line with participating athletes.
  6.  Each participant may celebrate his / her performance without endangering the safety of event participants, volunteers and / or other spectators. Non-runners, including swimmers, relay racers, and family members who cannot run or walk with a runner during the final race - this also includes members Participate in having / holding children when they reach the finish line. Should not reach the goal collectively, each individual must reach the goal by himself to ensure the time is recorded accurately.
  7.  A participant must complete the entire race without assistance, otherwise they will be disqualified.
  8. The transport vehicle will pass the competition area after 4 hours and 30 minutes to swim to gather the remaining athletes on the track. At this time, for safety reasons, the participant will not be allowed to complete the race and is considered unable to complete the round.
  9. The time limit for the entire contest is 4 hours and 30 minutes to complete the Contest Content (swim, pedal and run) from the moment the participant starts swimming. The time for each participant will begin when the participant crosses the time line to start the swimming session. The competition time will be based on the time chip of each participant. Any athlete who did not finish
    Examination before the scheduled time 4:30 will be considered DNF. This also applies to Team Content.


  1. Only runners with the required wristband by BTC and BTC members are allowed to enter the Transition area before and after the race. Family members, support staff, personal bicycle repairmen or photographers ... are not allowed in the transition area at any time. continued. Regardless, it is discovered that there is no bracelet to be invited out of the transition area without any reason.
  2. Do not place any objects (shoes, towels, clothes, etc.) in front of the front wheel of the bike in the transition area. Glass containers are not allowed in transition area.
  3.  Bicycles and bags in transition: The transition area will open at 16:30 for bike and bag pick up. Any vehicles or bags left in transition after 19 hours will not be handled as the area will be closed and protective barriers removed. Vehicles and bags can only be picked up by the participant himself - family members, support staff, coaches and drivers are not allowed to remove vehicles and bags from transition. Participants must present their wristband with Competition ID to return their bike and bag.
  4.  Relay athletes must stay in their respective waiting tents at transition until their team member arrives. Players are not allowed to leave the tent unless otherwise authorized by the BTC member. A participant in the relay team may leave the tent once they have completed their race, but are not allowed to return to the transition zone.
  5. In the Transition Area, it is the athletes' responsibility to maintain their equipment. Participants' equipment must be placed in their transition bags, on their bike, and within a space of 50 x 50 (cm) around the allocated space so as not to impede the safe movement of people. join another. All nonessential bags or items must be removed from the transit area and deposited at the drop off counter. Any item located on transition area (outside the designated area above) will be collected and deemed lost.
  6. In the event that a participant is disqualified (or is late after swimming and cycling) will not be allowed to continue the competition, in which case the participant's items at the transition area will be sealed and returned to the competitor when picking up your bike at the drop-off counter.
  7. A participant may not interfere with another athlete's equipment in the transition area.
  8. Bicycle helmets must be put on and securely fastened before the bike is removed from the bike rack and not removed until the bike is reassigned in transition.
  9.  Bicycles must be hung / mounted so that most of them are on the runner-up side.
  10.  No cycling in transition is allowed at any time.
  11.  Players may not obstruct other athletes in the transition area; Players cannot stop on transition lines.
  12.  The boarding and disembarking point locations will be clearly indicated at the entrance and exit of the transition area. Boarding before the boarding point and disembarkation before the designated departure point is prohibited.


Moving by road

If you are a person who likes to move and want to drive by yourself to Tuan Chau, the distance from Hanoi to Tuan Chau is about 140km and if you choose the 5B Expressway, the travel time by car is only about 90 minutes. If you are from other cities, below is the distance that corresponds to the distance traveled from Hanoi to Tuan Chau:

  • Hai Phong about 40km
  • Hai Duong about 100km
  • Ninh Binh is about 185km
  • Lang Son about 180km
  • Mong Cai is about 170km
  • Lao Cai about 400km

Air travel

In addition to Van Don International Airport (Quang Ninh Province), the two closest connecting airports to this locality are Noi Ba International Airport (Hanoi) and Cat Bi Airport (Hai Phong). From Noi Bai airport, you can use a pre-booked shuttle or taxi with a distance of about 170km (travel takes about 2 hours)

If you fly directly to Van Don airport, you can travel by taxi (with a distance of about 70km) or if you choose a bus (55km long free), you need to travel another leg by taxi or public transport. other to Tuan Chau. In addition, you can also travel from Cat Bi International Airport (Hai Phong) to Tuan Chau by taxi with a distance of about 40km.

Recommended hotels in Tuan Chau

Luxury hotels and resorts:
  • La Paz Resort average price 700,000 VND / person / night, 550m from the starting line
  • Paradise Suites Hotel costs an average of 900,000 VND / person / night, just 600m walking to the starting line
Or hotels with more reasonable prices and only 300-500m from the line:
  • Tuan Chau Kingly Villa
  • Seaside Tuan Chau Hotel
  • Domo Tuan Chau Hotel


What's so attractive about Sunset Bay Triathlon?

SUNSET BAY TRIATHLON is a triathlon event held in Halong Bay, a world natural heritage with thousands of magnificent and vibrant islands. This is also the first tournament in Asia to start in the afternoon and end in a brilliant sunset on the sea.

Who can join Sunset Bay Triathlon?

Athletes who are 18 years old until October 2, 2021 can participate in the Sunset Bay Triathlon tournament.

How do I register for Sunset Bay Triathlon?

You can register for the tournament via the registration portal at here

How do I sign up for a group?

With registration Solo, fill in the athletes' information that already has an account on in the "Register more" section. If the athlete does not have an account on racevietnam, select the option "Add a athlete who does not have an account".

For registrations for Solo and Relay of 3 or more people, please contact BTC via email or hotline 0902212310 to receive promotion.

In what ways can participation fees be paid?

Registration for Sunset Bay Triathlon will be paid electronically through the OnePay payment gateway by VISA, MASTER, AMEX card or domestic ATM card.

Can I change my registration information after I pay?

Registration can be easily transferred to another Race Vietnam account from 17/05 - 05/09/2021

BIB transferring after 30/07/2021 may not display the correct name of the transferee.

Athletes can change their registration distance for free from May 17 - September 5, 2021. The runner will pay the difference between the old registration price and the current registration price (if any).

Will I get a refund if I cancel my subscription?

All payments to Sunset Bay Triathlon will not be refunded under any form and condition.

What do I have to prepare before the match day?

All runners are required to confirm the Disclaimer before picking up the race kit (kit). Those who authorize others to collect the race kit need to sign additional authorization. Participants under 18 years of age require parental or guardian consent. The organizers reserve the right to refuse athletes who do not have a parent or guardian declaration form.

What is in the race kit?

The race kit includes: 01 swimming cap, 01 BIB with chiptime, gifts from the sponsor. Participants will have to pick up the race kit at the Expo before the event date.

After the match, do I get the completion medal?

All athletes after completing the section during the cut off time will be awarded the Finisher Medal (Finisher Medal) right at the finish line.


Contact information to support registration, payment for athletes and contact sponsorship cooperation for your partners

Phone: 090 221 2310