50K Races Near Dallas, TX
As of October 6, 2026, Crewable lists 12 upcoming 50K races near Dallas, TX from October 2026 to June 2027. The next is Caveman Challenge at Waterloo Lake on October 10 in Denison, TX. Registration is open for 5.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
Race calendar
October 2026
4 racesThe Mammoth Trail Run 2026 - 100K / 50K / 25K / 10K / 5K and Mighty Mammoth 1K Kids Dash
Glen Rose, TX100K50K+3Open until Oct 11from $35
November 2026
2 racesDecember 2026
2 racesMarch 2027
1 raceApril 2027
1 raceMay 2027
1 raceJune 2027
1 raceQuick answers
What is the next 50K race near Dallas, TX?
Caveman Challenge at Waterloo Lake, on Saturday, October 10, 2026, in Denison, TX. Distances: 50K, Marathon, Half Marathon.
What is the closest 50K race to Dallas?
Rockledge Rumble in Grapevine, TX, about 21 miles from Dallas, on November 14, 2026.
How many 50K races near Dallas, TX have open registration?
5 of the 12 list registration as open as of October 6, 2026, including Caveman Challenge at Waterloo Lake, The Mammoth Trail Run 2026 - 100K / 50K / 25K / 10K / 5K and Mighty Mammoth 1K Kids Dash and Camino De Los Muertos.
What is the busiest month for 50K races near Dallas, TX?
October 2026, with 4 of the 12. November 2026 follows with 2.
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