# Marathon Races in San Marcos, TX (2026)

> 3 upcoming Marathon races in San Marcos, Texas.

- **Page:** https://runthis.run/races/texas/san-marcos/marathon

## Races

- **[2027 San Marcos Half Marathon 10k and 5k](https://runthis.run/event/rr-115578-2027-san-marcos-half-marathon-10k-and-5k)** — Sun, Feb 7, 2027 · 7:30 AM CST · San Marcos, TX · Marathon / 10K / 5K / 50 m
- **[Great Springs Trail Race - San Marcos](https://runthis.run/event/rs-147401-great-springs-trail-race-san-marcos)** — Sat, Jan 23, 2027 · 12:00 AM UTC · San Marcos, TX · Marathon / 10K / 1 mile
- **[San Marcos Half Marathon](https://runthis.run/event/rs-139813-san-marcos-half-marathon)** — Sun, Feb 7, 2027 · 12:00 AM UTC · San Marcos, TX · Marathon

## Nearby

- [All races in San Marcos, TX](https://runthis.run/races/texas/san-marcos.md)
- [Marathon races in Texas](https://runthis.run/races/texas/marathon.md)

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Source: [https://runthis.run/races/texas/san-marcos/marathon](https://runthis.run/races/texas/san-marcos/marathon) — data from Run This (runthis.run).