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Half Marathon Calendar near Downtown San Antonio 2026-2027

Monthly updates for Downtown San Antonio

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Explore the top half marathons near Downtown San Antonio for 2026-2027! We've gathered 34 exciting races in the area. Check out our detailed list below to find your next local race.

March 2026
Mar
14
Sa

The Best Races - San Antonio

5 km 10 km 13 mi
Mar
14
Sa

Helotes Beer Garden Run

5 km Half Marathon
Mar
29
Su

Bigfoot Running Company - San Antonio

Trail Run 5 km 7 mi 13 mi
April 2026
Apr
4
Sa

The Best Races - San Antonio

5 km 10 km 13 mi
Apr
11
Sa

DoNot Stop Half Marathon - San Antonio

5 km 10 km Half Marathon
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 Half Marathon
Apr
26
Su

Siesta Half Marathon

Half Marathon
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
23
Sa

The Best Races - San Antonio

5 km 10 km 13 mi
May
23
Sa

Hometown Half Marathon - San Antonio

5 km 10 km Half Marathon
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 3 mi 7 mi 13 mi
June 2026
Jun
6
Sa

The Best Races - San Antonio

5 km 10 km 13 mi
Jun
14
Su

Texas Sun Showdown Half Marathon

5 km 13 mi
Jun
20
Sa

The Best Races - San Antonio

5 km 10 km 13 mi
July 2026
Jul
4
Sa

The Best Races - San Antonio

5 km 10 km 13 mi
August 2026
Aug
8
Sa

Alamo Beer Challenge

5 km 10 km 13 km Half Marathon
Aug
8
Sa

Remember the Alamo…Beer! 13.1

5 km 10 km 13 mi