Races in San Antonio & South Texas

189 upcoming races in 18 cities, mostly 5K, 10K, Half, Marathon. Next up: October Mile-A-Day Challenge on Thursday, October 1, 2026in San Antonio. Updated Sep 25, 2026. Looking further afield? Browse all races in Texas, or our guide to running across Texas.

San Antonio and South Texas: the city proper, Alamo Heights, Boerne, Schertz, Selma, Seguin, and south to Laredo. Mild winters and greenway trails along the creeks and the San Antonio River.

The busiest city in the region is San Antonio: see all 159 upcoming races in San Antonio, or the calendar of Helotes races.

158 upcoming races include a 5K in San Antonio & South Texas. For turkey trots, holiday runs and every other 5K statewide, see 5Ks in Texas. 80 include a 10K; compare them on the Texas 10K calendar.

3 upcoming marathons in San Antonio & South Texas. Compare them with the rest of the state on the full Texas marathon calendar. 59 upcoming half marathons here; see every half marathon in Texas.

September races in San Antonio & South Texas October races in San Antonio & South Texas November races in San Antonio & South Texas December races in San Antonio & South Texas January races in San Antonio & South Texas