Autumn Harvest 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K • Big Bastrop Backyard Ultra (Last Runner & Last Rucker Standing)
Bastrop, TX
Backyard Ultra50K+7
Open until Oct 9from $65.99
50K Races Near San Antonio, TX
As of October 6, 2026, Crewable lists 10 upcoming 50K races near San Antonio, TX from October 2026 to June 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, TX. Registration is open for 5.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
Race calendar
October 2026
2 racesNovember 2026
2 racesDecember 2026
1 raceJanuary 2027
1 raceFebruary 2027
1 raceMarch 2027
1 raceMay 2027
1 raceJune 2027
1 raceQuick answers
What is the next 50K race near San Antonio, TX?
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, TX. Distances: Backyard Ultra, 50K, Marathon.
What is the closest 50K race to San Antonio?
SARR Rocky Horror Trail Run in San Antonio, TX, about 1 mile from San Antonio, on October 24, 2026.
How many 50K races near San Antonio, TX have open registration?
5 of the 10 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), SARR Rocky Horror Trail Run and Salmagundi Trail Race.
What is the busiest month for 50K races near San Antonio, TX?
October 2026, with 2 of the 10. November 2026 follows with 2.
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