San Marcos Half Marathon
Running
- Distance
- 21.1K
- Start time
- 07:30
- Entry fee
- 0.00
runsignup.com
San Marcos Half Marathon
Running
3-year monthly averages for February in San Marcos.
Learn more about the host city, San Marcos.
San Marcos is a city in and the county seat of Hays County, Texas, United States. The city is mostly a part of the Greater Austin metropolitan area. San Marcos's limits extend into Caldwell and Guadalupe Counties, as well. The latter is part of the Greater San Antonio Metropolitan Area. San Marcos is on the Interstate 35 corridor between Austin and San Antonio. Its population was 44,894 at the 2010 census and 67,553 at the 2020 census. Founded on the banks of the San Marcos River, the area is thought to be among the oldest continuously inhabited sites in the Americas. San Marcos is home to Texas State University and the Meadows Center for Water and the Environment.
Read moreTours and activities near San Marcos, powered by Viator.
Watch highlights and course previews from previous years.
Use the promo code below during registration to save on entry fees.
RUNGUIDES
*Promo codes are collected from publicly available sources. We are not affiliated with, sponsored by, or endorsed by any brand listed. All trademarks belong to their respective owners. Offers may expire or change without notice.
Read what other athletes have to say about their experience at the San Marcos Half Marathon.
Be the first to share your experience with the community!
Spotted an error or missing detail about the San Marcos Half Marathon? Help us improve.
Explore other exciting events happening in this same region.
Jan 09, 2027
Jan 09, 2027
Jan 09, 2027
Nov 14, 2026
Nov 28, 2026
Dec 05, 2026
Dec 19, 2026
Dec 19, 2026
Hand-picked events we think you’ll love.
Nov 12, 2026
Nov 13, 2026
Join us for the Inaugural Sugar Rush Relay on November 15, 2025! This event is a 75 mile relay race through Sugar Land,…
Nov 13, 2026
🦃 THINGS ARE ABOUT TO GET FOWL. 🦃 THE TWISTED TURKEY TROT 5K Friday the 13th • November 13, 2026 6:00 PM Gobble ’til yo…
Nov 13, 2026
The San Antonio River Authority together with the San Antonio River Foundation, invites you to participate in the final…
Nov 13, 2026
Light Up DARVO is dedicated to protecting children and improving outcomes for families affected by domestic abuse throu…
Nov 14, 2026
Join fellow walkers, runners, friends, and families for a day of diabetes awareness, health, fitness, and community fun…
Nov 14, 2026
Hermann Park Conservancy’s Run in the Park is back for its 23rd year! Runners can choose to attend the in-person race, …
Nov 14, 2026
This race benefits the students and families who rely on the services of The Helping House, the only non-profit service…