Lake Murray Endurance Run

Lake Murray Endurance Run : October 25, 2025

The Lake Murray Endurance Run is a trail running event held annually in late October at Lake Murray State Park near Ardmore, Oklahoma. Races start and finish at Tipps Point Campground. The park covers about 12,500 acres with over 30 miles of trail. Trail terrain ranges from simple and flat to moderately difficult sections with rocks and roots.

Distances

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

Race services and rules

This is a cupless race; participants must carry their own hydration device. Water, Gatorade, and food items are provided at aid stations, which are spaced about 4.7 to 6.7 miles apart; the 5-mile event does not have an aid station. Drop bags are allowed and encouraged for the 100-mile and 100K at the Start/Finish and Buzzards Roost aid station. Pacers are permitted for the 100-mile and 100K at designated mile points or after dark. Finishers receive event awards: buckles for the 100-mile and buckles for the 100K within its time limit; medals for the 50K, 25K, and 5-mile events. Overall and masters (40+) awards are given in multiple divisions. Shirts are provided to registered participants, but are only guaranteed for those who register at least 14 days before the event.

Registration and refund policy: cancellations more than 30 days before the race receive 100% race credit to use within one year; cancellations between 30 days and two weeks receive 50% race credit. Transfers and refunds are not allowed less than two weeks before the race. Visit the organization's website for the most recent information.

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