Date and race-format check
The full marathon is on Sunday, January 17, 2027, with the open-field start at 6:55 a.m. The Saturday event is the 5K, not the marathon. The marathon and half marathon start at Congress and Fannin. The George R. Brown Convention Center opens at 5 a.m.; use the posted north-side access and lobby entrances when planning bag drop and the walk to your corral.
Confirmed race date
Chevron Houston Marathon: January 17, 2027. Verified on October 14, 2026 against the official event information.
Course + conditions (what should change in training)
- Surface: Asphalt.
