50KMarathonHalf Marathon10K5K
Texoma Challenge
Denison, Texas
- Days to go
- 263
At a glance
- Date
- Jun 26, 2027
- Location
- Denison, Texas
- Distances
- 50K, Marathon, Half Marathon, 10K, 5K
- Registration
- See ultrasignup.com
- Official site
- texasoutlawrunning.com
- Listed from
- UltraSignup
- Last checked
- Oct 4, 2026
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Build my planAbout this race
The Texoma Challenge is an endurance event featuring a 5K, 10K, 10K Ruck, Half Marathon, Marathon, 50K, and 50K Relay in the foothills of North Texas at Waterloo Park. The event follows 6.2 mile loop of unique trails beginning and ending in Waterloo Park in Denison Texas.
Key dates
Race day
Jun 26, 2027
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Tune-up races
Straight-line distance
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Race planning
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