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Marathons in San Antonio, Texas
1 upcoming marathon listed in San Antonio. Next: San Antonio Marathon on December 6, 2026.
1marathon upcoming
San Antoniocity
December 6, 2026Next race
Marathon, Half marathon, 5Kdistances
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Planning notes for San Antonio, Texas, United States
Use this city page to shortlist 1 upcoming race by date, distance, registration path, and official source.
- Next raceSan Antonio Marathon on December 6, 2026
- Busy monthsDecember (1)
- DistancesMarathon, Half marathon, 5K
- VerifyOpen each race page, then confirm details from its official, registration, course-map, or source link.