Date and race-format check
The full marathon starts at 00:30 on January 10, 2027. The organizer asks runners to assemble on Sanam Chai Road at 11 p.m. on January 9, so travel and breakfast belong to the preceding evening. Half-marathon and shorter-distance starts are later. Packet collection is on January 8–9 at Hua Lamphong station; check the final transport timetable rather than assuming normal overnight rail service.
Confirmed race date
Bangkok Marathon: January 10, 2027. Verified on October 14, 2026 against the official event information.
Bangkok Marathon 2027 official facts — verified July 10, 2026
- Race day: Sunday, January 10, 2027. The Marathon begins just after midnight, so race-night logistics start on Saturday, January 9.
- Starts: Marathon at 12:30 AM, Half Marathon at 3:00 AM, 10K at 4:30 AM, and 5K at 5:00 AM local time.
- Cutoffs: Marathon 6:30, Half Marathon 4:00, 10K 2:30, and 5K 2:00; the published course closure is 7:00 AM.
- Start and finish: Sanam Chai Road beside the Grand Palace in Bangkok, with the start and finish at the same venue.
- Registration: the organizer opened registration on July 1, 2026.
Your training runway
- 24-week plan: start by July 26, 2026.
- 20-week plan: start by August 23, 2026.
- 16-week plan: start by September 20, 2026.
- 14-week plan: start by October 4, 2026.
Use the training start-date calculator for another plan length. Recheck the organizer before booking travel because schedules can still change.
Sources: official 2027 race information and official registration.
Course + conditions (what should change in training)
- Surface: Road.
- Course difficulty: flat.
- Climate context: Typical temperature ~ 31 °C.
Course pacing signals (what to rehearse)
- Road surface: rehearse steady rhythm and fueling at goal effort (not just easy pace).
- Flat profile: practice restraint early; avoid surges and “free speed” that spikes effort.
- Crowds/wind rule: treat headwinds and congestion as “hills” and stay effort-controlled.
