Registration is made via credit card option or EFT/Money Transfer method at https://buyukadayarimaratonu.com/kayit/.
The registration form must be filled out completely and the registration fee must be paid as specified. Once payment is made, registration will be completed. To register in bulk, you must send an e-mail to info@buyukadayarimaratonu.com.
We have categories for men and women in the 5K, 10K and 21K courses.
There are 18-35, 36-45, 46-55, 56+ age categories for Women and Men for all three tracks.
Early Registration Dates (January 13, 2025 – February 28, 2025)
21K and 10K: 950 TL
5K: 850 TL
Normal Registration Dates (March 1, 2025 – September 21, 2025)
21K and 10K: 1150 TL
5K: 1050 TL
Late Registration Dates (September 22, 2025 – October 12, 2025)
21K and 10K: 1350 TL
5K: 1250 TL
Registrations will not be accepted after October 12. Participation is limited to quotas.
The quota limit is 3,500 peoples. Registrations are closed after the quota is filled, regardless of the dates.
Complete your registration without delay to take your place in Büyükada.
Category/Track change requests are met as follows while online registration for the competition is open;
If there are more than 80 days until the competition day, free changes will be charged. Between 79-40 days, a change fee of 90 TL will be charged, and for periods less than 40 days, a change fee of 130 TL will be charged.
There will be no category or track changes after October 8, 2025.
Registration fee or ID number cannot be transferred to anyone else.
Since our service processes start from the moment you register, registration cancellation, postponement or refund will not be made. Even if you do not participate in the race, you will be able to receive your race package from the distribution point.
You can give a nice surprise to your running friend by gifting a race registration at https://buyukadayarimaratonu.com/kayit/givegift.php.
Those who do not have any health problems can participate in the runs.
Transportation to Büyükada is only possible by sea vehicles. Participants can reach the race area using public transportation.
Ferry services may vary depending on the policies implemented by the companies, it is recommended to check the current information on the companies’ websites when planning transportation.
You can find the Island hotels on our website where you can stay at special prices for the athletes who will participate in our event soon.
Kit distribution points will be announced at a later date.
Authorization for the Delivery of the Participant Kit: If the participant wants to have the race kit collected by someone else, the person receiving it and the person receiving it accept that they do so with their own consent and that they are fully responsible for it. The participant is required to provide a photocopy or photograph of the person from whom the kit will be collected, as well as a signed statement stating that the participant authorizes the person to collect it.
– Time measurement chip
– Chest number
– Cloth bag
– Racing T-Shirt
– Sponsor treats
A safety deposit tent will be set up in the area. You are kindly requested not to bring your valuables.
The organization and authorities are not responsible for lost items.
For any questions you may have about the event, you should send an e-mail to info@buyukadayarimaratonu.com.
Decathlon Büyükada Half Marathon will start on Sunday, October 19, 2025. The runs will start between 10:00 – 10:30.
At the end of the competition, just like last year, you can find our refreshments in front of Adalar Kültür Merkezi after the finish point. Liquid and nutrition stations will be waiting for you on the track.