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Trail Running Calendar near San Marcos 2026-2027

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Explore the top trail runs near San Marcos for 2026-2027! We've gathered 25 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

November 2026
Nov
28
Sa

Turkey Shuffle Austin

Road Race Trail Run 5 km 10 km
A multi-distance post-Thanksgiving run at SE Metro Park in Del Valle with Kids Dash, chip-timed 5K and 10K, a costume contest, DJ music, and on-course aid stations.
December 2026
Dec
5
Sa

Bigfoot Running Company - Austin

Road Race Trail Run 3 mi 6 mi
Holiday themed races at Ne Metro Park in Pfluerville with a Kids Dash, 1 Mile, chip timed 5K and 10K plus a costume contest and awards.
Dec
5
Sa

Longhorn Last Person Standing

Sold out Backyard Ultra 4 mi
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.
Dec
19
Sa

Outlast Austin

Trail Run Backyard Ultra 18 mi 36 mi
Trail endurance event in Dripping Springs with 5K laps every hour, 6 hour and 12 hour formats, tiered awards, and a world leaderboard.
January 2027
Jan
2-3
Sa - Su

Runfield Rewind

Backyard Ultra 5 km
A backyard-style event in Buda TX with a new 5K every hour for 24 hours, free registration, and a required donor pledge of at least $1 per lap supporting a local veteran nonprofit.
Jan
9
Sa

Bigfoot Running Company - Austin

Road Race Trail Run 3 mi 7 mi 13 mi
Bigfoot Classic in Pflugerville, Texas on 01/09/2027 offers in-person races from a 50 m kids dash to a 13.1 mile half marathon plus a virtual option.
Jan
22
Fr

TwentyThree Ranch - Last Man Standing

Sold out Backyard Ultra 4 mi
A timed endurance event at 23 Ranch where 111 runners repeat 4.1 mile loops each hour until one person remains to win a $20,000 grand prize.
Jan
23
Sa

Great Springs Trail Race - San Marcos

Trail Run 10 km 13 mi 26 mi
Trail race in San Marcos on single track and rocky limestone trails offering 10K, half and full marathon distances plus a youth mile at Purgatory Creek Natural Area.
Jan
31
Su

Natural Bridge Caverns Trail Run

Trail Run 5 km 10 km Half Marathon
Trail races of 5K, 10K and half marathon begin inside Natural Bridge Caverns and follow varied Hill Country trails around Garden Ridge, Texas.
February 2027
Feb
20
Sa

Bigfoot Running Company - Austin

Road Race Trail Run 3 mi 6 mi
Mardi Gras themed running event in Del Valle offering multiple distances, a costume contest, DJ music, volunteers handing out beads, and an awards ceremony.
Feb
20
Sa

The Stampede

Trail Run 6 mi 12 mi 19 mi
Trail races at McKinney Falls State Park on 20 February 2027 offering 10K, 20K, and 30K options across trails with creeks and climbs.
Feb
27
Sa

Horse Thief Trail Run

Trail Run 5 mi 10 mi 20 mi 30 mi
TrailThief Trail Run at Horse Thief Hollow in Austin offers multiple trail distances from 5 to 30 miles plus a 10 mile ruck with on course support and documented course materials.
March 2027
Mar
6
Sa

Great Springs Trail Race - Austin

Trail Run 5 km 10 km ... 26 mi 50 km
Trail races on a well marked 6.5 mile loop at Southeast Metro Park offering distances from Youth 1 Mile to 50K with aid stations and a cupless policy.
Mar
7
Su

Bigfoot Running Company - Austin

Road Race Trail Run 3 mi 7 mi 13 mi
Bigfoot Running Company runs races in Austin, TX offering 5K, 10K, quarter marathon and half marathon distances.
Mar
13-14
Sa - Su

The Stolen Hour

Trail Run
A 24 hour max distance race at Twenty Three Ranch in Dripping Springs on March 13 to 14 2027 on a one mile loop with a $15,000 prize and 111 spots.
Mar
20
Sa

The Maze

Trail Run 10 km 20 km 30 km
Trail race at Austin’s Walnut Creek Park on March 20, 2027 offering 10K, 20K, and 30K loop options with aid stations about every 3 miles.
April 2027
Apr
3
Sa

Bigfoot Running Company - Austin

Road Race Trail Run 3 mi 7 mi
Spring Fling in Pflugerville on April 3 2027 offers a Kids Dash, several road race distances and a virtual half marathon.
Apr
18
Su

Bigfoot Running Company - Austin

Road Race Trail Run 3 mi 7 mi 13 mi
A 1970s-themed running event in Pflugerville on April 18, 2027, offering multiple in-person distances, a virtual half, and a pre-race 70s costume contest.
May 2027
May
8
Sa

Bigfoot Running Company - Austin

Road Race Trail Run 3 mi 6 mi
Races and a virtual option in Cedar Park, TX on May 8, 2027, with distances from 50 m to 13.1 miles and a free hot dog for finishers.
June 2027
Jun
5
Sa

The Big Kahuna 10K - Austin

Road Race Trail Run 3 mi 6 mi
Tropical themed running event in Austin with Kids Dash, 1 Mile, 5K, 10K and virtual options, plus medals, race tees, aid stations, and volunteer opportunities.
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