Thonburi Run #2 2026

Thonburi Run #2 is on Sunday 20 December 2026 at Suan Luang Rama VIII Park in Bangkok, over 21 km, 10.5 km and 5 km on the Borommaratchachonnani elevated road.

Facts last checked September 29, 2026

Thonburi Run #2 (TH Run #2) is a charity road race on Sunday 20 December 2026, organised by Thonburi Hospital with support from Thonburi Healthcare Group, with proceeds going to the Siriraj Foundation. The course uses the Borommaratchachonnani elevated road, with the start and finish at Suan Luang Rama VIII Park at the Thonburi-side foot of the Rama VIII Bridge. The 21 km starts at 3.45am, the 10.5 km at 4.30am and the 5 km fun run at 4.40am.

Key facts
Date	2026-12-20
Distance Km	21.1, 10.5, 5
Primary Distance Km	21.1
Venue	Suan Luang Rama VIII Park (Thonburi side of the Rama VIII Bridge)
Organizer	Thonburi Hospital
Price Range	THB 650-850
City	Bangkok
Country	Thailand

half-marathon thailand

Frequently asked questions

What time does Thonburi Run #2 start, and what is the cut-off?

The 21 km half marathon starts at 3.45am with a 3 hour 15 minute cut-off, so runners must finish by 7.00am. The 10.5 km starts at 4.30am and the 5 km at 4.40am. The bag drop at Rama VIII Bridge opens at 2.30am.

How much is entry to Thonburi Run #2?

The race.thai.run page lists the 21 km at THB 850 and both the 10 km and 5 km at THB 650. The 5 km is a walk-run with no results. The half marathon has age groups of 20-39, 40-59 and 60 and over.