Texas · Ultra

2026-2027 Ultramarathons in Texas

Every upcoming Ultra in Texas, all 12 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.

12 upcoming ultramarathons · 9 with finish-time stats

5K Races 91210K Races 438Half Marathons 339Marathons 35
Open map ↗

By the numbers

The Biggest and Longest-Running

The Texas races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.

Largest field169 finishersBrazos Bend 50in the Ultra

Texas Ultramarathons by City

Needville 2Houston 1Cedar Creek 1Spicewood 1Dallas 1Burnet 1Fort Worth 1San Angelo 1Marble Falls 1Fort Davis 1Bastrop 1

The Next Ultra Marathons in Texas

12 total
Sun, Oct 25, 20262026 HARRA Warm-Up Series Houston, TX57.2 Miles25.5 Miles47.2 Miles22.4 MilesFrom $230Details Fri, Nov 27, 2026Colorado River Run 250K 100 Mile 100K 50 Mile 50K Marathon Half Marathon Ruck 10K 5K Kids 1K Cedar Creek, TX100 Miles50 Miles31 MilesMarathonFrom $150Details Sat, Dec 5, 2026Brazos Bend 100 Needville, TX100 Miles100KMarathonHalf MarathonFrom $220Details Sun, Dec 13, 2026Star of Texas 50 Miler • 50K • Marathon • Half Marathon • 10K • 5K Spicewood, TX50KMarathonHalf Marathon10KFrom $170Details Sat, Dec 19, 2026Texas Double Dallas, TXHalf MarathonMarathon31 MilesFrom $105Details Fri, Jan 1, 2027Canyon of the Eagles New Year's Trail Challenge · 100K & 50K ULTRA, Marathon, 13.1M Run & Ruck, 10K, 5K Burnet, TX62.2 Miles31.1 Miles25K5KFrom $130Details Sat, Feb 13, 2027Dalmatian Run Fest & Dizzy Dalmatian 101 Fort Worth, TX33.7 MilesHalf MarathonMarathon39.3 MilesFrom $0Details Sat, Mar 6, 2027Crazy Desert Trail Race San Angelo, TX100K50KMarathon25KFrom $70Details Sun, Mar 28, 2027Bluebonnet Trail Run 50 Miler • 50K • Marathon • Half Marathon & Ruck • 10K • 5K Marble Falls, TX50KHalf Marathon10K5KFrom $100Details Sat, Apr 10, 2027Brazos Bend 50 Needville, TX50 Miles50K25K10KFrom $100Details Sat, Sep 25, 2027Sky Island Fort Davis, TX31 Miles17 Miles9.5 MilesRegistration opens Mar 24, 2027From $149Details Sat, Oct 9, 2027Autumn Harvest 50K • 20-Miler • 10-Miler • Full • Half • 10K • 5K • Big Bastrop Backyard Ultra Bastrop, TX200 Miles150 Miles50K20 MilesRegistration opens Oct 31From $95Details

How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Oct 25, 2026.

Common Questions About Running an Ultra in Texas

Which Texas cities have the most ultramarathons?

Needville (2), Houston (1), Cedar Creek (1), Spicewood (1) lead the state for Ultra races. Those give you the most dates to choose from if your schedule is tight.

When are most ultramarathons held in Texas?

December is the busiest month for Ultra races in Texas, with 3 of the 12, followed by October with 2. If you are flexible on the date, that is the quickest way to narrow things down.

Are there trail Ultra races in Texas?

Yes, 7 races around Texas get you off the pavement: 7 are trail races.