Texoma Challenge

Event Overview

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.

Course Overview

- Surface: Rooty & dirt single-track trails.
- Course: Waterloo Trails
- Elevation: Rolling hills 500 ft elevation gain per loop.
- Location: Waterlooo Park (1101 Waterloo Lake Dr, Denison, TX 75020)
- Weather: Historic Average shows 68-80 degrees
- No Cup Race: We don't serve cups, please make sure to bring your own water-carrying system!

Upcoming Races

Jun 6 2026
50 KM
5x10k loops
2,500 2,500 ft.
Multiple Loop
9:00 Cutoff
3 Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
3 Surface Rating
Some rocks, root, and/or ruts

Additional Distances

This event also has the following sub ultra distances

26.2 Miles 10 KM 13.1 Miles 5 KM

Results

50 KM

Date Finishers Top Result (F) Top Result (M)
06/07/25 Race Cancelled

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