Texas · Marathon · Half Marathon · 5K
San Antonio Marathon
San Antonio Marathon is a marathon, half marathon, 5K and 10K event held in San Antonio, Texas. Its next confirmed date is Friday, December 4, 2026. About 10,000 runners take part across all distances.
- Race day
- December 4, 2026
- Location
- San Antonio, TX
- Field size
- ~10,000 runners
Race details
- Date
- Friday, December 4, 2026
- Location
- San Antonio, Texas
- Distances
- Marathon, Half Marathon, 5K, 10K
- Field size
- About 10,000 runners
- Course
- Rolling hills
- Registration
- sanantoniomarathon.com
- Official website
- runsignup.com
Registration, course & weather
- Start time
- 7:15 AM CST
- Course profile — Marathon
- Loop course; Road surface; 909 ft gain, 902 ft loss (estimated from third-party elevation data); USATF certified; Boston qualifier
- Course profile — Half Marathon
- Loop course; Road surface
About the San Antonio Marathon
Thank you for registering! The San Antonio Marathon, presented by San Antonio Sports, celebrates the spirit and heritage of our city. In collaboration with the City of San Antonio, Visit San Antonio, and Centro, this signature event invites you to experience a premier running celebration in the heart of San Antonio—where every step tells a story.
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Keep exploring
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Guides from the RaceRove blog
- 8 min read How to Choose Your First Marathon A practical checklist for choosing a first marathon based on course, weather, cutoff, travel, field size and support.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
San Antonio Marathon: common questions
- When is the San Antonio Marathon?
- The next confirmed date is Friday, December 4, 2026.
- Where is the San Antonio Marathon held?
- In San Antonio, Texas.
- What distances does the San Antonio Marathon offer?
- Marathon, Half Marathon, 5K and 10K.
- How many people run the San Antonio Marathon?
- About 10,000 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the San Antonio Marathon?
- Registration is handled by the organiser at sanantoniomarathon.com. Entry fees, caps and deadlines are set there.
- What time does the San Antonio Marathon start?
- 7:15 AM CST.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.