2026 OCT 03 Sat
Races in San Marcos, TX
San Marcos, TX has 5 upcoming races on the calendar from October 2026 through July 2027, including 2 5Ks, 2 10Ks, 4 half marathons, 1 marathon and 1 trail race. October is the busiest month, with 1 race. Every race below lists the date, distances and a registration link, updated every morning from RunSignup.
Next up: Day of the Dead Half Marathon - Austin on Saturday, October 3, 2026. Last updated Sep 25, 2026.
September races near San Marcos October races near San Marcos November races near San Marcos December races near San Marcos January races near San Marcos
Upcoming San Marcos races
Last updated Sep 25, 20265 races
October 2026
1 race January 2027
1 race2027 JAN 23 Sat
February 2027
1 race2027 FEB 07 Sun
Registration closed Details
March 2027
1 race2027 MAR 20 Sat
July 2027
1 race2027 JUL 11 Sun
San Marcos races by distance
- 5K races in San Marcos Next: Day of the Dead Half Marathon - Austin, Oct 3, 2026 2
- 10K races in San Marcos Next: Day of the Dead Half Marathon - Austin, Oct 3, 2026 2
- Half marathons in San Marcos Next: Day of the Dead Half Marathon - Austin, Oct 3, 2026 4
- Marathons in San Marcos Next: Great Springs Trail Race - San Marcos, Jan 23, 2027 1
- Trail races in San Marcos Next: Great Springs Trail Race - San Marcos, Jan 23, 2027 1
- 1-mile races in San Marcos Next: Day of the Dead Half Marathon - Austin, Oct 3, 2026 2
- Kids races in San Marcos Next: Day of the Dead Half Marathon - Austin, Oct 3, 2026 3
- Virtual races in San Marcos Next: Day of the Dead Half Marathon - Austin, Oct 3, 2026 2
Statewide calendars: 5Ks in Texas · 10Ks in Texas · half marathons in Texas · marathons in Texas
Half marathons, marathons and longer races in San Marcos
In-person races with a 15K or longer on the current calendar, with each event's distance as listed on RunSignup. Looking further afield? See all half marathons in Texas and all marathons in Texas.
- Day of the Dead Half Marathon - Austin
Saturday, October 3, 2026 · Half Marathon 13.1 miles (13.1 Miles)
- Great Springs Trail Race - San Marcos
Saturday, January 23, 2027 · Great Springs Trail Race - San Marcos 26.2 mi (26.2 Miles), Great Springs Trail Race - San Marcos 13.1mi (13.1 Miles)
- San Marcos Half Marathon
Sunday, February 7, 2027 · San Marcos Half Marathon
- Red, White and Blue Half Marathon - Austin
Sunday, July 11, 2027 · Half Marathon 13.1 miles (13.1 Miles)
San Marcos race FAQ
How many races are there in San Marcos, TX?
5 upcoming races in San Marcos are on the Lone Star Strides calendar, from Saturday, October 3, 2026 to Sunday, July 11, 2027. 2 of them include a 5K and 2 include a 10K. The list is refreshed every morning from RunSignup.
What month has the most races in San Marcos?
October 2026 has the most upcoming races in San Marcos (1), followed by January 2027 (1). Use the month links above to see each month's races.
Are there half marathons or marathons in San Marcos?
Yes. Marathon: Great Springs Trail Race - San Marcos (Jan 23, 2027). Half marathon: Day of the Dead Half Marathon - Austin (Oct 3, 2026); Great Springs Trail Race - San Marcos (Jan 23, 2027); San Marcos Half Marathon (Feb 7, 2027); Red, White and Blue Half Marathon - Austin (Jul 11, 2027).
Are there trail races in San Marcos?
Yes. Upcoming trail races in San Marcos: Great Springs Trail Race - San Marcos (Jan 23, 2027).
Where can I buy running shoes in San Marcos?
Core Running Company is a specialty running store in San Marcos. See the store listing below for address, phone and services.
Gear up locally
Running stores in San Marcos
San Marcos, TX
Core Running Company
Core Running Company on Aquarena Springs Drive in San Marcos offers shoe fitting, gait analysis, group runs, training programs, and coaching.
shoe fittinggait analysisgroup runs
More races near San Marcos
See all races in Austin & Hill Country or all races in Texas, and our guide to running across Texas.