Available distances
About
Texoma Challenge is held on the evening of June 6, 2027, at Waterloo Park in the hills of north Texas, near Denison. The 50K (31.1 mi) starts at 8:00 p.m., the marathon (26.2 mi) and half marathon (13.1 mi) two minutes later, and the 10K, 5K and a 10K ruck at 8:05 p.m.
An evening start in June in Texas is a heat-avoidance strategy, and it works — but it means running through the night on trails, with everything that implies. Bring a headlamp with fresh batteries and a spare, run a few sessions in the dark beforehand, and eat properly during the afternoon: you will be starting a marathon at the hour you normally finish dinner.
Highlights
- Night race
- Lakes and ponds
- Off-road
Prepare for Texoma Challenge with RunRun
An AI-generated training plan, adjusted every week based on your real sessions. Built around your goal, current level and race date.
- Personalized plan based on your VO2max, history and weekly availability
- Strava and Garmin sync: your sessions are analyzed and the plan adapts
- Target paces, long runs, key sessions: everything is calculated for race day
Races nearby
Other upcoming races around Denison.
Caveman Challenge at Waterloo Lake
Oct 10, 2026 · Denison, TX · 0 mi away
3.1 mi · 6.2 mi · 13.1 mi · 26.1 mi
Resolution Run - Sherman
Jan 1, 2027 · Sherman, TX · 9 mi away
3.1 mi
The Backland
Dec 5, 2026 · Gordonville, TX · 19 mi away
Run Like A Fool! 5K/10K Run or Walk - North Texas
Oct 24, 2026 · Whitewright, TX · 19 mi away
3.1 mi · 6.2 mi
Grinch Gallop
Dec 19, 2026 · Van Alstyne, TX · 24 mi away
3.1 mi
Celina Turkey Trot
Nov 26, 2026 · Celina, TX · 33 mi away
3.1 mi · 1 mi