Lake Murray Endurance Run

Event overview

The Lake Murray Endurance Run takes place Saturday, October 25, 2025, at Lake Murray State Park near Ardmore, Oklahoma. The event uses Tipp s Point Campground for race start and finish and Duke's Forest Campground for race-weekend activities. Trails at the park cover over 30 miles and include forested rolling hills with terrain from simple and flat to moderately difficult sections with rocks and roots.

Race distances and key rules

• 100 Mile
• 100K
• 50K
• 25K
• 5 Mile

This is a cupless race; runners must carry their own hydration device. Aid stations provide water, Gatorade and food items and are spaced roughly every 4.7 to 6.7 miles. The 5-mile event does not have an aid station. Drop bags are allowed and encouraged for the 100K and 100-mile events at the Start/Finish and at Buzzards Roost aid station. Pacers are permitted only in the 100K and 100-mile events, with specified exchange points at Tipps Point and Buzzards Roost. Unregistered pacers for other distances can lead to disqualification.

Awards, shirts and refund policy

Finisher awards include event-specific medals or buckles (examples: special buckles for certain 100-mile time standards; finisher medals for shorter distances). All registered participants receive a race shirt in the size selected at registration, but shirts are not mailed to no-shows. Cancellations made more than 30 days before the race receive 100% race credit; cancellations between 30 days and two weeks receive 50% credit. No refunds or transfers are allowed within two weeks of race day. Visit the organization's website for the most recent information.