50K Races in Texas
As of October 6, 2026, Crewable lists 52 upcoming 50K races in Texas from October 2026 to July 2027. The next is Autumn Harvest 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K • Big Bastrop Backyard Ultra (Last Runner & Last Rucker Standing) on October 10 in Bastrop. Registration is open for 26.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
4 aid
3 aid
3 aid1 aidRace calendar
October 2026
18 racesAutumn Harvest 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K • Big Bastrop Backyard Ultra (Last Runner & Last Rucker Standing)
Bastrop, TXBackyard Ultra50K+7Open until Oct 9from $65.99The Mammoth Trail Run 2026 - 100K / 50K / 25K / 10K / 5K and Mighty Mammoth 1K Kids Dash
Glen Rose, TX100K50K+3Open until Oct 11from $35Fields of Gold 50K • Marathon • Half Marathon • 12 Hour • 1 Hour • 10K • 5K
Marble Falls, TX50 mi12 hr+5Open until Oct 22from $49.99
November 2026
8 racesMustang Marathon (Hill Country Trivium) Road Race
Marble Falls, TX50KMarathon+3Open until Nov 9from $10Colorado River Run: 100-Mile & 50-Mile Ultra, 50K, Marathon, Half-Marathon, 10K and 5K
Marble Falls, TX250K100 mi+6Open until Nov 27from $15
December 2026
4 racesJanuary 2027
5 racesFebruary 2027
3 racesMarch 2027
3 racesApril 2027
3 racesMay 2027
3 racesJune 2027
4 racesJuly 2027
1 raceQuick answers
What is the next 50K race in Texas?
Autumn Harvest 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K • Big Bastrop Backyard Ultra (Last Runner & Last Rucker Standing), on Saturday, October 10, 2026, in Bastrop. Distances: Backyard Ultra, 50K, Marathon.
How many 50K races in Texas have open registration?
26 of the 52 list registration as open as of October 6, 2026, including Autumn Harvest 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K • Big Bastrop Backyard Ultra (Last Runner & Last Rucker Standing), Caveman Challenge at Waterloo Lake and FireAnt 5K & Tour de FireAnt Bike Ride.
What is the busiest month for 50K races in Texas?
October 2026, with 18 of the 52. November 2026 follows with 8.
Cities in Texas
Neighboring states
More ways to browse
Race planning
Plan your Texas race
Aid stations, cutoffs and pacing in one free plan. Crew invites and race-day updates come with a Race Pass.
Plan a race free