

2026 - San Antonio Marathon 2026
- Date
- Race weekend: Friday to Sunday, December 4 to 6, 2026
- Start time
- 7:00 PM start (Chicago)
- Location
- San Antonio, Texas
- Entry fee
- From $89
- Included with entry
- Includes a shirt
- Fundraising
- Takes optional donations when you register
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Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| Friday, Dec 4, 2026 | ||||
| 2026 - 5K | 5K | Dec 4, 20267:00 PM | See registration | – |
| Sunday, Dec 6, 2026 | ||||
| 2026 - Half Marathon | Half Marathon | Dec 6, 20267:15 AM | $89 | – |
| 2026 - Marathon | Marathon | Dec 6, 20267:15 AM | $99 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
Race day planning
How the price compares
At $99, entry is about the same as a typical marathon in Texas ($100).
What a typical finish looks like
A typical finisher at a marathon in Texas runs 4:37:04, about 10:34 a mile, based on 17 races with published results. Women typically finish in 4:56:35 and men in 4:29:21.
Light and altitude
Sunrise on race morning is at about 7:13 AM, and the 2026 - 5K starts at 7:00 PM. The start sits about 700 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
434 S. Alamo Street, San Antonio, TX 78205
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
Typical race-day weather
Around December 4 the day usually runs from 49°F at dawn to 69°F in the afternoon, with measurable rain on about 11% of days. Cold snaps dip to 42°F and hot years reach 77°F.
Based on 75 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.
Race details
- Where
- 434 S. Alamo Street, San Antonio, TX 78205Map
- Course
- Road
- Start elevation
- About 700 feet
- Included with entry
- T-Shirt
- Donations
- Accepted when you register
- Distances
- 5K, Half Marathon, Marathon
- Editions
- 2026 (Dec 5, 2026)
Organize this race? Add details or a correction
Plan your race
Quick answers
- When is 2026 - San Antonio Marathon?
- It is a race weekend, Friday to Sunday, December 4 to 6, 2026: 5K on Friday; Half Marathon, Marathon on Sunday.
- How much does it cost?
- Entry starts at $89 before processing fees.
- Is the entry fee high for Texas?
- At $99, entry is about the same as a typical marathon in Texas ($100).
- Do runners get a shirt or medal?
- Entry includes a shirt, according to the race's registration page. Check it for sizes and whether kids' races get the same.
- Can I donate to a cause when I register?
- Yes. The registration form offers an optional donation, usually for the charity or nonprofit the race supports. The race's own page names the cause.
- What distances can I run?
- 5K, Half Marathon, Marathon.
- Where does it start?
- 434 S. Alamo Street, San Antonio, TX 78205.
From the organizers
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.