San Marcos
Trail Running Calendar near San Marcos 2026-2027
Explore the top trail runs near San Marcos for 2026-2027! We've gathered 10 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
A six hour trail challenge in Johnson City, Texas where runners complete a 5K every hour and must finish each lap to continue. Patches and a medal are awarded for progress and top finishers feed into a national leaderboard and championship prizes.
September 2026
An untimed, family friendly fun run on the Violet Crown Trail in Austin on September 26, 2026, with a finish line celebration and proceeds supporting trail stewardship.
November 2026
Multi-distance trail race near the Pedernales River on November 7 2026 featuring mixed single and double track, live music, and finisher awards.
December 2026
A backyard ultra at a Texas ranch where runners complete a 4.1667 mile loop each hour until one person remains as the official finisher.
January 2027
Trail races at Purgatory Creek Natural Area in San Marcos on January 23, 2027, with 26.2, 13.1, 10K and a youth 1 mile; youth racers receive a finisher medal and parents may run with children at no cost.
February 2027
March 2027
May 2027
Trail and ultra races at Flat Creek Crossing Ranch near Johnson City TX on May 1 2027 offering looped courses from 5K to 100K with aid stations and specific gear requirements for longer distances.
June 2027
Trail races from 50K to a 1 mile youth run take place at Canyon Park in Canyon Lake, Texas on June 5, 2027. The event includes post-race festivities and supports the Great Springs Project and Edwards Aquifer awareness.
Night trail running at Guadalupe River State Park offering 50K, 25K, 8K, relay and ruck options with marked single-track trails and aid stations.