2026 Nov 12 Thu
Registration open Closes Nov 12, 2026
Register Now 5K Half Marathon
2026 - San Antonio Marathon
- Date
- Friday, December 4, 2026– Sunday, December 6, 2026
Dec 04 Friday, 2026
Registration closed View on RunSignup Registration links may earn us a small commission at no extra cost to you.
When and where is 2026 - San Antonio Marathon?
2026 - San Antonio Marathon is on Friday, December 4, 2026 through Sunday, December 6, 2026 in San Antonio, Texas. The first event starts at 7:00 PM local time. Distances: 5K, half marathon and marathon. Online registration is closed right now.
Events & distances
| Event | Distance | Start | Entry fee | Registration |
|---|---|---|---|---|
| 2026 - 5K | 5K | Dec 4, 2026, 7:00 PM | — | — |
| 2026 - Marathon | 26.2 Miles | Dec 6, 2026, 7:15 AM | — | Opens Dec 4, 2025 · Closes Dec 9, 2025 |
| 2026 - Half Marathon | 13.1 Miles | Dec 6, 2026, 7:15 AM | — | Opens Dec 4, 2025 · Closes Dec 9, 2025 |
Fees shown are the RunSignup price tier in effect now, before processing fees. Times are local to the race.
About 2026 - 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.
Description provided by the race organizer via RunSignup.
Race data provided by RunSignup and refreshed every morning(last sync Nov 12, 2026). Registration happens on RunSignup; Lone Star Strides may earn a referral commission at no cost to you. Always confirm dates and details on the official race page.
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Training and gear for race day
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Gear ·
ASICS Gel-Nimbus 29 vs. Brooks Glycerin Max 3: two max-cushion trainers, one Dec. 1 release date
The ASICS Gel-Nimbus 29 ($170) and Brooks Glycerin Max 3 ($200) both release Dec. 1, 2026 and are on preorder now. New foams, weights, drops, and which one fits a Texas winter marathon build.