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Run With The Flow 2026, UDON

Race in Udon Thani: participants run along a path through trees in Nong Prajak Public Park.

The race in Udon Thani will take place December 20, 2026, at Nong Prajak Park in Isan; distances of 3, 5 and 10 km.

Run for Honor in Surin

The charity run in Surin takes place at Ta Kwai Temple: participants run the route with the temple in the background.

The charity run in Surin will take place December 20, 2026, at Ta Kwai Temple in Isan. The program includes 18 and 4 km distances, a virtual run and a donation option.

Huai Yang Trail Race 2026

Trail in Isan: runners follow a natural trail among the trees of the arboretum in Chaiyaphum province.

Trail in Isan — December 20, 2026, Thap Lao Spring Arboretum, Chaiyaphum; distances of 5, 15, 35 and 50 km.

Race and Fitness in Bangkok

Race and fitness in Bangkok: participants run a route with music on the Kasetsart University campus

Race and Fitness in Bangkok — December 19, 2026, at Kasetsart University; registration until November 15, race bib pickup in person December 15–17 or by mail December 14–18.

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

Kasintorn Mini Marathon in Nonthaburi: participants run the route from the shopping center to the school

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.