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Affiliate disclosureUpdated Oct 11, 2026. Races and fees from RunSignup, refreshed every morning.
137 upcoming races in San Antonio are on RunSignup right now, more than any other Texas city on our calendar. The headliner is the second San Antonio Marathon and Half on Sunday, December 6, 2026. The San Antonio RoadRunners club fills the rest of the year, from the Rocky Horror Trail Run in October to the Fiesta Mission Run in April, home of what the club calls Texas' oldest 10K.
Details are from each organizer's RunSignup listing. Fees are the current in-person tier for the event shown; tap through for every distance, the latest price and the register link.
Saturday Oct 24, 2026 · 53K, 27K, 10K, 5K trail
SARR’s 5th annual Halloween trail run on Eisenhower Park’s rocky “Time Warp” loop: 3.3 miles and 400 feet per lap, one lap for the 5K up to ten for the 53K. Capped at 350 runners, with costume awards.
Saturday Nov 7, 2026 · 15K, 8K trail
The 13th Recharge Run on the trails of Government Canyon State Natural Area, a fundraiser for the Friends of Government Canyon.
Thursday Nov 26, 2026 · 4 miles, 2 miles, kids’ dash
SARR’s Thanksgiving race from The Rim trailhead: a chip-timed 4-miler at 8:30 a.m., an untimed 2-miler and a quarter-mile Li’l Pumpkin Dash. The club lists $35 for the 4-miler and $30 for the 2-miler, with no price increases.
Sunday Dec 6, 2026 · Marathon, half, 5K
The second edition of the city’s own marathon, run by San Antonio Sports. Full and half start at 7:15 a.m. on Sunday; the 5K is Friday night, December 4. Boston qualifier, 7-hour limit, no transfers or deferrals.
Saturday Dec 12, 2026 · 20K, 10K, 5K trail
A holiday trail run on the dirt, roots and rocks of McAllister Park. The organizer says it is not a road race; all distances overlap on the way back to the finish.
Sunday Feb 7, 2027 · 2–5 person marathon relay
A point-to-point 26.2 relay on the Howard Peak Greenway along Salado Creek, starting at The Rim. The organizer reports three straight sell-outs.
Sunday Apr 18, 2027 · Half marathon, 10K, 5K
SARR’s 53rd Fiesta Mission Run, an official Fiesta event from Mission County Park. The club calls its 10K Texas’ oldest and says the race sells out fast.
137 races on RunSignup, soonest first. "From" is the cheapest current in-person entry.
Browse by season: Halloween races · turkey trots · Christmas races · New Year's races · Valentine's Day races in Texas.
Filter by date and distance on the San Antonio race calendar, or see all 5Ks, 10Ks and half marathons in Texas.
The Greenway is the backbone. The City of San Antonio runs approximately 105 miles of Howard W. Peak Greenway Trails, and SARR’s marathon relay and Turkey Trot use them. For dirt, Eisenhower Park, McAllister Park and Government Canyon all host trail races. More places are on our running in Texas guide.
December and April are the peaks. The San Antonio Marathon owns early December, and Fiesta brings the Mission Run in April.
Trail racing is a big deal here. See our Texas trail race calendar and ultramarathons in Texas for more near the city.
Respect the heat outside winter. From late spring to early fall, run at sunrise, drink before you are thirsty and run by effort rather than pace. Stop and cool down for heavy sweating, weakness or clammy skin; call 911 for confusion or slurred speech. Our zone 2 guide covers training through it.
November 2026 is the busiest month on the current San Antonio calendar, with 26 races.
Sources: City of San Antonio Parks, the National Weather Service heat safety guide, its heat illness guide. General information, not medical advice.
Howard W. Peak Greenway Trails
Approximately 105 miles of multi-use, accessible trails across San Antonio, run by the City of San Antonio.
Source: City of San Antonio Parksshoe fitting, gait analysis, group runs, training programs
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Races currently listed on RunSignup. Later months fill in as organizers post dates.
The next races elsewhere in San Antonio & South Texas, out of 162 upcoming races in the region.
Oct 23, 2026 · Bandera
Cactus Rose Endurance Trail RaceKids, 1 Mile, 8K, Ultra, Trail, Ruck
Oct 24, 2026 · Helotes
4th Annual Ima's Home 5K Run/Walk5K
Oct 24, 2026 · Pleasanton
Cowboy Fellowship 5K Fun RunKids, 5K, Fun Run
Oct 29, 2026 · Pleasanton
Thirsty’s Run Club 1 Year Anniversary5K
Oct 31, 2026 · Boerne
Back the Badge 5K5K
Oct 31, 2026 · Selma
Dia De Los Muertos Not-So-Fun RunKids, 1 Mile, Walk
Nov 1, 2026 · Hondo
Dia De Los Muertos 5KKids, 5K
Nov 8, 2026 · Canyon Lake
TXTRI - Canyon Park - Powered by WORD of Comal Co.Multisport
Nov 14, 2026 · Universal City
2025 San Antonio Heart & Stroke Walk5K, Walk
Nov 21, 2026 · Boerne
Boerne Last Man StandingSunday, December 6, 2026; the full and half start at 7:15 a.m. and the 5K is Friday night, December 4. It is a Boston qualifier with a 7-hour limit, and there are no transfers or deferrals. RunSignup lists $199 for the marathon.
Yes. On Thanksgiving, November 26, 2026, the San Antonio RoadRunners hold a chip-timed 4-miler, a 2-miler and a kids’ dash from The Rim trailhead, and the Texas Tough Turkey Chase runs a 5K, 10K and kids’ race in the Dominion. Every Texas trot is on our turkey trots guide.
The San Antonio RoadRunners say the 10K at their Fiesta Mission Run is Texas’ oldest 10K race. The 53rd running is Sunday, April 18, 2027, with a half marathon, 10K, 5K and kids’ 1K from Mission County Park.
137 San Antonio races are on RunSignup now, 14 with a trail event and 50 with a half marathon.
The best Texas races on Nov. 7–8, 2026: Corpus Christi’s Harbor Half over the new Harbor Bridge, El Paso’s Transmountain Half, the Cypress Half, the Mustang Marathon in Marble Falls and more, with fees and deadlines.
Amos Kipruto won Chicago in 2:01:09 and Hawi Feysa repeated in 2:13:33. Top 10s, the American records, the wheelchair world record, and how Texas A&M’s Natosha Rogers did.
The Fort Worth Marathon runs Nov. 7–8, 2026 from Farrington Field. Start times, fees before the Nov. 2 increase, the BQ course, cutoffs, pace groups and pickup.