A hand-picked calendar of Thailand's major road races, trail ultras, night runs and fun runs. Each event has one permanent page with every year's dates and results on it.
21 Nov – Sun, 22 Nov 2026
The indoor fitness race that has taken over Bangkok's gym scene: eight 1 km runs alternating with eight standardised workouts, run in an air-conditioned exhibition hall — so heat and humidity are finally not the deciding factor.
27 Nov – Sun, 6 Dec 2026
HOKA Chiang Mai Thailand by UTMB is Thailand's UTMB World Series event, run across Doi Inthanon, Chiang Dao and the hills around Chiang Mai from 27 November to 6 December 2026. Seven races from 20K to 160K, all in the cool, dry season.
Sun, 29 Nov 2026
Thailand's largest road race. A fully road-closed tour of Bangkok's old town — Ratchadamnoen, the Marble Temple, the Golden Mount and the Grand Palace — with 30,000+ runners and a pre-dawn start.
Sun, 7 Jun 2026
A beachside race week at Laguna Phuket. The marathon starts very early to beat the heat and humidity, with the finish on resort grounds.
Sun, 12 Jul 2026
A lighthearted beachside fun run where costumes and swimwear are part of the dress code. Expect a party atmosphere, photo stops, and a relaxed pace along Pattaya Beach.
Sun, 19 Jul 2026
A coastal road race along Pattaya Beach Road. Flat, fast, and humid — a good excuse for a beach weekend with a medal at the end.
Sat, 1 Aug 2026
A riverside race in northeast Thailand with views across the Mekong to Laos. A relaxed, friendly atmosphere and a strong local running community.
Sun, 9 Aug 2026
A scenic mountain race famous for the morning mist rolling through the hills. The course is challenging and the views are worth the effort.
Sat, 29 Aug 2026
An August night run up and down the legendary Suthep Road, starting and finishing at Chiang Mai Zoo. Expect a rolling, slightly cooler evening course with a strong local crowd.
Sat, 19 Sep 2026
A multi-stage trail series sponsored by Columbia. Venues rotate around Thailand's best trail parks, often including Khao Yai. Expect technical single track, river crossings and steep climbs.
Sun, 15 Nov 2026
The flagship midnight race through Bangkok's historic heart. Starting near the Grand Palace, the course crosses the Chao Phraya and passes Wat Pho and the Democracy Monument before finishing in the shadow of the palace walls.
Sun, 20 Dec 2026
A popular northern destination race. Cool mornings, flat roads, and a finish atmosphere that feels like a holiday. Watch the burning-season timing if you're arriving early.
These Thai platforms list hundreds of smaller local races, charity runs and trail events.