Texoma Challenge

JUN

26

2027

Nighttime trail event in Denison, TX offering looped courses from 5K to 50K on single track trails with aid stations and a nine hour cutoff.

Sat 26 Jun 2027

Denison, Texas

Website

50 kilometers Marathon Half Marathon 10 kilometers 5 kilometers

Always double-check with the organizer's website! This page may contain affiliate links.

Texoma Challenge - Denison, TX

The Texoma Challenge on June 26, 2027 is a multi-distance trail event held at Waterloo Park in Denison, Texas. The event uses a 6.2 mile loop of single-track trails that begins and ends in Waterloo Park and runs on rooty, dirt surfaces with rolling hills.

Distances offered include:

50K
50K Relay
Marathon
Half Marathon
10K
10K RUCK
5K

The course features approximately 500 feet of elevation gain per loop. Historic average temperatures for the event period range from about 70 to 91 degrees. The event is part of the Texas Summer Night Series; series passes are available through early June and can provide up to a 20 percent savings.

Event services and policies noted by the organizer include aid stations, course marking, photography, and race support. No disposable cups are provided, so participants should bring a personal hydration system. Pacers are permitted only on the final two loops of the open 50K and are not allowed for the relay. Ruck entrants must meet weight requirements: 30 pounds for participants over 150 pounds and 20 pounds for those under 150 pounds; a ruck sack or vest is allowed. Events operate with a nine hour cutoff. Visit the organization's website for the most recent information.