Texas · Ultra

Ultra Races in Texas

Every upcoming Ultra in Texas, all 15 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.

15 upcoming Ultra races · 6 with finish-time stats

5K 85110K 399Half Marathon 293Marathon 37
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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 field165 finishersBrazos Bend 100in the Half Marathon

Ultra Races by City

Marble Falls 3San Antonio 1Fort Worth 1Paris 1Fort Davis 1Glen Rose 1Houston 1Galveston 1Needville 1Spicewood 1Dallas 1Burnet 1San Angelo 1

Soonest Ultra Races in Texas

15 total
Sat, Jul 11, 2026SARR Fall Off-RoadRunners Training San Antonio, TX50K25K10K5KFrom $50Details Fri, Jul 24, 2026Texas Endurance Runs (TxER) Fort Worth, TX100 MilesMarathon50K100KFrom $24Details Sat, Sep 19, 2026Paris Texas Marathon Paris, TX100K50KMarathonHalf MarathonFrom $45Details Sat, Sep 26, 2026Sky Island Fort Davis, TX31 Miles17 Miles9.5 MilesFrom $129Details Sat, Oct 10, 2026The Mammoth Trail Run 2026 - 100K / 50K / 25K / 10K / 5K and Mighty Mammoth 1K Kids Dash Glen Rose, TX100K50K25K10KFrom $60Details Sun, Oct 11, 20262026 HARRA Warm-Up Series Bundles Houston, TX57.2 Miles25.5 MilesFrom $210Register Sat, Oct 17, 2026Galveston Ultra Trail Galveston, TX50KHalf Marathon5K1 MileFrom $55Details Sat, Oct 24, 2026Fields of Gold 50K Marathon Half Marathon 12 Hour 1 Hour 10K 5K Marble Falls, TX50KMarathonHalf Marathon10KFrom $50Details Fri, Nov 27, 2026Colorado River Run 100 Mile • 50 Mile • 50K • Marathon • Half Marathon • 10K • 5K Marble Falls, TX100 Miles50 Miles31 MilesMarathonFrom $50Details Sat, Dec 5, 2026Brazos Bend 100 Needville, TX100 Miles100KMarathonHalf MarathonFrom $95Details Sun, Dec 13, 2026Star of Texas 50 Miler • 50K • Marathon • Half Marathon • 10K • 5K Spicewood, TX50KMarathonHalf Marathon10KFrom $50Details Sat, Dec 19, 2026Texas Double Dallas, TXHalf MarathonMarathon31 MilesFrom $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 Jul 27, 2026.

Common Questions About Running an Ultra in Texas

Which Texas cities have the most Ultra races?

Marble Falls (3), San Antonio (1), Fort Worth (1), Paris (1) lead the state for Ultra races. Those give you the most dates to choose from if your schedule is tight.

When are most Ultra races held in Texas?

October is the busiest month for Ultra races in Texas, with 4 of the 15, followed by December with 3. If you are flexible on the date, that is the quickest way to narrow things down.

How much do Texas Ultra races cost?

Entry fees for Ultra races here run from $24 to about $210, depending on the event and how early you register.

How early should I register for an Ultra in Texas?

10 of the 15 Ultra races in Texas already have a price increase scheduled, so entry gets more expensive the longer you leave it. Race pricing almost always steps up as the date approaches, and signing up early is usually the cheapest option.

Are there trail Ultra races in Texas?

Yes, 11 races around Texas get you off the pavement: 9 are trail races, and 2 mix road and trail. Surfaces are not always published, so it is worth checking a specific race before you register.