ROIET DUATHLON 2026

Duathlon in Roi Et: a participant in a helmet cycles along the route at Thawatchai Reservoir in Thailand.

The duathlon in Roi Et takes place December 20, 2026, at Thawatchai Reservoir in Isan; running and cycling stages are part of the program.

Kasintorn Mini Marathon in Nonthaburi

The Kasintorn Mini Marathon in Nonthaburi takes place December 13, 2026: the start is at Central WestGate, and the finish is at Kasintorn Saint Peter School.

Khaoyai 100K Ultra Marathon 2026

Runners race along a green course near the resort; the Khaoyai Ultra Marathon in Isan takes place in nature

The Khaoyai Ultra Marathon in Isan takes place on December 19, 2026, in Nakhon Ratchasima.

Nakornthon charity mini-marathon

Nakornthon mini-marathon in Bangkok: participants gather at the start area in front of the hospital early in the morning

The Nakornthon mini-marathon in Bangkok takes place December 13, 2026, at Nakornthon Hospital; the start is at 05:00.

Kasetsart University charity run

Runners take part in the charity run in Bangkok at Kasetsart University's stadium in the morning

The charity run in Bangkok takes place December 13, 2026, at Insee Chanthrasathit Stadium of Kasetsart University.

Race in Uttaradit

The race in Uttaradit takes place on December 13, 2026, at Uttaradit Technological College; distances of 5 and 10 km are available.

Marathon in Nakhon Phanom

The marathon in Nakhon Phanom takes place on December 13, 2026, at Lan Saeng Sing Kaeo in Isan.

29th Kathu Marathon in Phuket

Runners at the start of the Kathu Marathon in Phuket against a backdrop of tropical greenery and hills in the distance.

The Kathu Marathon in Phuket takes place on December 13, 2026; distances from 2.5 to 42 km are offered.

ADDA Run 2026

ADDA Race in Bangkok: participants start at the outlet center early in the morning in Thailand.

The ADDA Race in Bangkok will be held on December 13, 2026; distances of 5, 10 and 21 km are available.

Anti-Corruption Race in Bangkok

The Anti-Corruption Race in Bangkok takes place on December 5, 2026, at Suan Luang Rama IX Park. Distances of 5, 10 and 21.1 km and a 3 km walk are available.