SM
Dec 4, 2026
Full Marathon, Half Marathon, 5K
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2026 San Antonio Marathon
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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Source: RunSignup
Updated today
Official registration linked
Race facts
Core planning details from the race record.
- Race date
- Friday, Dec 4, 2026
- Location
- Texas, United States
- Distance
- Full Marathon, Half Marathon, 5K
- Price
- Price not published
- Registration
- Official registration linked
- Organizer
- Organizer not listed
Distances
Full marathon
Half marathon
5K
Planning timeline
- Registration opens
- Not published
- Registration closes
- Not published
- Race day
- Friday, Dec 4, 2026
Not sure this race fits your season?
The race page stays free. Membership is the support layer for runners who want help deciding, training, and staying accountable once a race starts to matter.
- Before you register Talk through course fit, travel friction, timing, and whether this race belongs in your year.
- After you commit Use club rhythm to keep the training block moving after the exciting first week.
- When plans change Get a practical place to rethink the goal instead of dropping the plan silently.