When in October are most Ultra races held?
The busiest weekend in Texas is October 10 and October 11, with 3 Ultra races on those two days, and the single busiest day is Saturday, October 10 with 2. Every one of them is on a Saturday or a Sunday.
Race calendar · October 2026 · Texas
October 2026 Ultra Races in Texas
Every Ultra in Texas in October 2026, all 5 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.
5 Ultra races in October 2026
When in October
The October Race Weekends
Ultra races do not spread evenly across October. The busiest weekend is October 10 and October 11, with 3 of them.
By the numbers
The Biggest and Longest-Running
The October Ultra races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.
October Ultra Races by City
Soonest Ultra Races in October
5 total Sat, Oct 10, 2026Autumn Harvest 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K • Big Bastrop Backyard Ultra Bastrop, TXFrom $60Details Sat, Oct 10, 2026The Mammoth Trail Run 2026 - 100K / 50K / 25K / 10K / 5K and Mighty Mammoth 1K Kids Dash Glen Rose, TXFrom $65Details Sun, Oct 11, 20262026 HARRA Warm-Up Series Houston, TXFrom $175Details Sat, Oct 17, 2026Galveston Ultra Trail Galveston, TXFrom $55Details Sat, Oct 24, 2026Fields of Gold 50K Marathon Half Marathon 12 Hour 1 Hour 10K 5K Marble Falls, TXFrom $50Details
Common Questions About Running an October Ultra in Texas
When should I sign up for an October Ultra?
As early as you can. 2 of these October Ultra races already have a price increase on the calendar, and 5 are open for entry right now.
How much does an October Ultra cost to enter?
The typical entry is $59.99, with paid entries running from $49.99 up to $175. Entry fees climb as race day gets closer, so the same race is usually cheapest the week it opens.
Are there trail Ultra races in Texas in October?
Yes, 4 races around Texas get you off the pavement: 4 are trail races. Surfaces are not always published, so it is worth checking a specific race before you register.
Ultra Races in Other Months
September and November sit either side of October, which is where most people look next when a date does not fit.