San Antonio Marathons Events

Emerald Run 5K and Family Walk

The San Antonio River Walk 14 Mar 2026

Siesta Half Marathon 10k, and 5k 2026

Mission County Park 26 Apr 2026

JFS Run Wild Run Carefree 5k Run and Walk for Mental Wellness

San Antonio Zoo 17 May 2026

SARR Fiesta Mission Run

Mission County Park 19 Apr 2026

Helotes 5k Beer Garden Run 10k, 10k-Relay, Half Marathon 2026

Tuscany Venue 14 Mar 2026

Rodeo Stampede Half Marathon - 5K/QM/HM - San Antonio

Leon Creek Greenway at the Rim Trailhead 29 Mar 2026

The Big Kahuna 5K, 10K - San Antonio

Southside Lions Park 3900 Pecan Valley Dr San Antonio, TX US 78210 20 Jun 2026

15th Annual Get Your Rear in Gear - San Antonio: 5K Run/Walk for Colon Cancer

Mission County Park 12 Apr 2026

2026 5K Freedom Run/Walk & Kids 1K – Adult & Teen Challenge of Texas

OP Schnabel Park 14 Mar 2026

April FREE Fun Run!

MLK Park 4 Apr 2026

May FREE Fun Run!

San Pedro Springs Park 2 May 2026

5k Beer Run x Longtab Brewing | Texas Brewery Running Series

Longtab Brewing Company 14 Mar 2026

Remember the Alamo…Beer! 13.1, 5k, 10k, 3-person Relay 2026

Tuscany Venue 8 Aug 2026

Running Through the Decades 5K/QM/HM - San Antonio

Eisenhower Park 19399 NW Military Hwy San Antonio, TX US 78257 31 May 2026

Summer Meltdown 5K/QM/HM - San Antonio

O. P. Schnabel Park 9606 Bandera Rd San Antonio, TX US 78250 16 Aug 2026

5K Freedom Walk/Run

O.P. Schnabel Park Trailhead 14 Mar 2026

Bexar Branches 5K & Kids Mile Run for the Trees

Arboretum San Antonio 11 Apr 2026