Marathons Events in San Antonio

Check out happening marathons events all around San Antonio, TX

Siesta Half Marathon 10k, and 5k 2026

 Sun, 26 Apr at 07:30 am Mission County Park

SARR Fiesta Mission Run

 Sun, 19 Apr at 07:00 am Mission County Park

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

 Sun, 17 May at 07:00 am San Antonio Zoo

Annual Starfish Dash 5K Run/Walk & Health Fair

 Sat, 25 Apr at 08:00 am 7431 Merton Minter Free

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

 Sun, 12 Apr at 07:30 am Mission County Park

May FREE Fun Run!

Sat, 02 May at 08:30 am San Pedro Springs Park

The Big Kahuna 5K, 10K - San Antonio

 Sat, 20 Jun at 07:00 am Southside Lions Park 3900 Pecan Valley Dr San Antonio, TX US 78210

April FREE Fun Run!

Sat, 04 Apr at 08:30 am MLK Park

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

 Sun, 31 May at 08:00 am Eisenhower Park 19399 NW Military Hwy San Antonio, TX US 78257

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

 Sat, 08 Aug at 06:30 am Tuscany Venue

Summer Meltdown 5K/QM/HM - San Antonio

 Sun, 16 Aug at 07:00 am O. P. Schnabel Park 9606 Bandera Rd San Antonio, TX US 78250

Bexar Branches 5K & Kids Mile Run for the Trees

 Sat, 11 Apr at 07:00 am Arboretum San Antonio

Heroes and Villains 5K/QM/HM - San Antonio

 Sat, 12 Sep at 07:00 am Southside Lions Park 3900 Pecan Valley Dr San Antonio, TX US 78210

San Antonio Marathon Documentary screening and fun run

 Tue, 14 Apr at 06:00 pm City Base Cinemas San Antonio USD 29