Texas · Half Marathon · 10K · 5K
Alamo 13.1
Alamo 13.1 is a half marathon, 10K and 5K event held in San Antonio, Texas. Its next confirmed date is Sunday, March 7, 2027. About 3,500 runners take part across all distances.
- Race day
- March 7, 2027
- Location
- San Antonio, TX
- Field size
- ~3,500 runners
Race details
- Date
- Sunday, March 7, 2027
- Location
- San Antonio, Texas
- Distances
- Half Marathon, 10K, 5K
- Field size
- About 3,500 runners
- Course
- Flat / urban
- Registration
- runthealamo.com
Registration, course & weather
- Registration status
- Open
- Start time
- 6:45 AM CST
- Course profile
- Loop course; Road surface
About the Alamo 13.1
Run the Alamo is a downtown San Antonio race weekend with a half marathon, 10K and 5K starting at Civic Park in Hemisfair, opened by a live cannon blast. The route passes the Alamo, King William and the River Walk on mostly flat city streets.
Rankings and notes
- Rankings and awards
- Alamo-area destination race
- Notes
- Large San Antonio half marathon event.
More half marathons in Texas
Coming up next, by confirmed date.
More races in San Antonio
More upcoming races in Texas
Keep exploring
- All races in Texas
- 5Ks in Texas 487 upcoming races
- 10Ks in Texas 276 upcoming races
- Half Marathons in Texas 122 upcoming races
- Marathons in Texas 36 upcoming races
- Running in San Antonio 71 upcoming races
- 5Ks in the United States 6,000 upcoming races
- 10Ks in the United States 2,572 upcoming races
- Half Marathons in the United States 1,668 upcoming races
- Spring Half Marathons
- March Half Marathons
- March races in Texas
- Half Marathons in Arkansas 24 upcoming races
- Half Marathons in New Mexico 19 upcoming races
- Half Marathons in Oklahoma 17 upcoming races
- Half Marathons in Louisiana 20 upcoming races
Guides from the RaceRove blog
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 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.
Alamo 13.1: common questions
- When is the Alamo 13.1?
- The next confirmed date is Sunday, March 7, 2027.
- Where is the Alamo 13.1 held?
- In San Antonio, Texas.
- What distances does the Alamo 13.1 offer?
- Half Marathon, 10K and 5K.
- How many people run the Alamo 13.1?
- About 3,500 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 Alamo 13.1?
- Registration is handled by the organiser at runthealamo.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Alamo 13.1?
- Yes — registration is open. Listed fee for the longest distance, $119 (from active.com, checked October 2, 2026).
- What time does the Alamo 13.1 start?
- 6:45 AM CST.
- What is the course like at the Alamo 13.1?
- Loop course; Road surface.
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.