Ultramarathons in San Antonio

6 upcoming races. See all races in San Antonio or ultramarathons worldwide.

• El Taco Loco - 100M,100k,50k,25k,10k and 5k.
  Nov 14, 2026 · 50 km
• Alamo City Ultra - 50k
  Jan 23, 2027 · 50 km
• Winter Dragon Race - Little Dragon king of the hill
  Jan 31, 2027 · 643.7 km
• Kharites Works Charity 5K & Community Walk - Kids Fun Run
  Mar 20, 2027 · 100 km
• 15th annual Run to Remember 5K/10K and 0.5k Beer Run - .5k Kids Run
  Apr 24, 2027 · 1287.5 km
• American Hero 25K Relay & Half Marathon - Kids Fun Run
  May 23, 2027 · 643.7 km