Arrowhead Endurance Run
Johnston City, United States • 11-12 Oct 2025
Event
The Arrowhead Endurance Run takes place October 11-12, 2025 at Arrowhead Lake Park in Johnston City, Illinois. The event is a timed endurance race held over one day and offers multiple race formats. Camping is available at Arrowhead Lake Campground. Hotels are available in nearby Marion, about 15 minutes from the race site.
Race options and awards
Available race options include:
- 24 Hour
- 24 Hour Relay
- 12 Hour
- 12 Hour - Night Time
- 6 Hour
- 3 Hour Race
Medals and shirts are provided to finishers who register before September 27, 2025. Buckles are awarded to runners who complete 100 miles in the 24-hour race before the cut-off. Entry fees are non-refundable and entries cannot be transferred to a following year. A pregnancy deferral allows deferment of the full entry fee to the following year. Discounts are offered for active military, veterans and first responders.
Course and support
The course is a certified 2.07 mile loop around Arrowhead Lake, with a surface that is about 99% gravel and a short concrete section at the boat ramp. Elevation change is under 50 ft per loop. One main aid station is located at the start/finish area with standard aid station food, electrolyte options and hot food during the event. Participants may set up their own small aid area on race morning. Littering or inappropriate behavior can result in disqualification. Visit the organization's website for the most recent information.