Ultramarathon Races in San Antonio
Find Ultramarathon running races in San Antonio. Browse upcoming ultramarathon events, registration details, and race information for 2026.
3 races found
Trail
Fiesta Night Run
1 Aug 2026
San Antonio, United States
50km · Ultra
Fiesta Night Run is a 50 km ultra trail race held in San Antonio, TX. The event takes place in August 2026.
Trail
El Taco Loco
14 Nov 2026
San Antonio, United States
100km · Ultra
El Taco Loco is a 100 km ultramarathon trail race held in San Antonio, TX. The event takes place in November 2026.
Trail
Alamo City Ultra
23 Jan 2027
San Antonio, United States
50km · Ultra
Alamo City Ultra is a 50 km ultra trail race held in San Antonio, TX. The event takes place in January 2027.