Ultra Park Run Thailand 100 - IAU 100K Asia & Oceania Championships

Bangkok, Bangkok, Thailand
22-23 Nov, 2025 (Sat - Sun)
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Official registration partner of Ultra Park Run Thailand 100 - IAU 100K Asia & Oceania Championships

About the event

Thailand hosts the IAU 100K Asia & Oceania Championships at Bangkok’s Wachirabenjatat Park (Railway Park), a Gold Label event that draws elite ultrarunners from across the region. The certified flat-loop course offers athletes the opportunity to compete at the highest level in one of the city’s most iconic green spaces. Alongside the international race, the Ultra Park Run Thailand 100 crowns national champions in both the 100 km and 24-hour categories and serves as the official qualifier for Thailand’s national ultramarathon team.

Supported by the Athletics Association of Thailand and the IAU, this dual event is designed to elevate ultrarunning standards and foster a competitive environment for both established professionals and emerging local talent. With intense competition, national pride, and a vibrant sports community, this event stands out as a key fixture for ultrarunners aiming for peak performance and recognition in the region.

Highlights

Compete in a Gold Label, IAU-sanctioned championship on a flat, certified loop course in central Bangkok.

Share the field with Asia’s elite while also witnessing Thailand’s national ultrarunning team selection.

Be part of a milestone event driving ultrarunning forward through world-class standards and collaboration.

Races offered by this event

You have 2 weeks to prepare





What’s included in entry

These are included in your entry
Finisher medal
Event T-shirts
Drink Stations
Bag drop
Timing chip (single use)
Toilets
E-certificate/e-diploma
Nutrition Stations
Finisher’s T-shirts
Medical Assistance

Frequently Asked Questions

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News: Running

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Press Release

Thailand to Host IAU 100 KM Asia & Oceania Championships 2025, Eyes Future World Championships

12 Aug, 2025 (Tue)

Mr. Jakrapol Tangsuthitham, Assistant Minister of Tourism and Sports and Ministry Spokesperson, presided over a press conference to announce the IAU 100 KM Asia & Oceania Championships 2025. The event took place at the Rattanakosin Room, Bangkok Metropolitan Administration (Sao Ching Cha), attended by key figures including Assoc. Prof. Chatchart Sittipun, Governor of Bangkok; Maj. Gen. Surapong Ariyamongkol, Vice President and Secretary-General of the Athletics Association of Thailand under Royal Patronage; Deputy Police Captain Dr. Manas Nonuch, Chairman of the Local Organizing Committee (LOC); Mr. Nantapol Thongnilpan, Director of the Professional Sports Development Division representing the Sports Authority of Thailand; along with representatives from relevant agencies and the media. The event aims to promote ultramarathon sports at both continental and national levels, positioning Thailand as a hub for health-focused sports in Asia under the government’s “Amazing Thailand 2025” policy. It also serves as a stepping stone for Thailand to bid for hosting the IAU 100 KM World Championships in the future. The IAU 100 KM Asia & Oceania Championships 2025 will be held at Wachirabenchathat park (Rot Fai Park) on November 22-23, 2025. The competition categories include: - IAU 100 KM Asia & Oceania Championships (Men/Women) - Thailand Championships: 100 KM and 24-Hour races (Men/Women) - Open Race: 100 KM, 50 KM, 24-Hour, 12-Hour, and 6-Hour races Mr. Jakrapol highlighted that this marks Thailand’s historic first as the official host of a continental ultramarathon championship certified by the International Association of Ultrarunners (IAU). The event showcases Thailand’s readiness to host global competitions, supported by robust infrastructure, safety measures, medical systems, and event management. Aligned with the government’s “Amazing Thailand Grand Tourism & Sports Year 2025” initiative, the championship leverages sports to promote Thailand’s soft power. It also positions the country as a global sports event hub. A successful event could pave the way for Thailand to bid for the IAU 100 KM World Championships in the future. Mr. Jakrapol expressed gratitude to the Athletics Association of Thailand, IAU, Bangkok Metropolitan Administration, and all stakeholders for their collaboration. He invited Thais to join as gracious hosts in welcoming athletes from across the region, aiming to establish Bangkok as a “world-class running city.” He concluded with confidence that the event will be a success and a source of pride for all Thais.
1 min read