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Half Marathon Calendar near San Antonio 2026-2027

Monthly updates for San Antonio

Get new running races (and updates) in your inbox every month.

Explore the top half marathons near San Antonio for 2026-2027! We've gathered 33 exciting races in the area. Check out our detailed list below to find your next local race.

January 2026
Jan
3
Sa

The Best Races - San Antonio

5 km 10 km 13 mi
Jan
17
Sa

The Best Races - San Antonio

5 km 10 km 13 mi
Jan
25
Su

Das Dreizehn.Eins Half Marathon

5 km Half Marathon
February 2026
Feb
7
Sa

The Best Races - San Antonio

5 km 10 km 13 mi
Feb
8
Su

Natural Bridge Caverns Trail Run

Trail Run 3 mi 6 mi 13 mi
Feb
14
Sa

The Best Races - San Antonio

5 km 10 km 13 mi
March 2026
Mar
1
Su

Run the Alamo

13 mi 26 mi
Mar
7
Sa

Time to Paddy Half Marathon - San Antonio

5 km 10 km Half Marathon
Mar
7
Sa

The Best Races - San Antonio

5 km 10 km 13 mi
Mar
14
Sa

The Best Races - San Antonio

5 km 10 km 13 mi
Mar
29
Su

Bigfoot Running Company - San Antonio

Trail Run 3 mi 7 mi 13 mi
April 2026
Apr
4
Sa

The Best Races - San Antonio

5 km 10 km 13 mi
Apr
19
Su

SARR Fiesta Mission Run

5 km 10 km Half Marathon
Apr
25
Sa

The Best Races - San Antonio

5 km 10 km 13 mi
Apr
26
Su

Siesta Half Marathon

5 km 10 km 13 mi
May 2026
May
2
Sa

The Best Races - San Antonio

5 km 10 km 13 mi
May
10-14
Su - Th

Run This Mother Half Marathon

5 km 10 km 13 mi
May
24
Su

American Hero Half Marathon

5 km 10 km 13 mi 25 km
May
31
Su

Bigfoot Running Company - San Antonio

Trail Run 5 km 7 mi 13 mi
June 2026
Jun
6
Sa

The Best Races - San Antonio

5 km 10 km 13 mi