Arrowhead Endurance Run

Event overview

The Arrowhead Endurance Run takes place October 11-12, 2025 at Arrowhead Lake Park / Arrowhead Lake Campground, 1600 Peterson Ave, Johnston City, Illinois. The event offers multiple timed options:

• 24 Hour
• 24 Hour Relay
• 12 hour
• 12 hour - NIGHT TIME
• 6 hour
• 3 Hour Race

Finishers registered before 9/27/25 receive medals and shirts. Buckles are awarded to runners who complete 100 miles in the 24 hour race before the race cut-off.

Course, support and policies

The course is a certified 2.07 mile loop around the lake. The trail surface is about 99% gravel with a small concrete section at the boat ramp and under 50 ft of elevation change per loop. Chip timing is provided by SoILL Racing. One large aid station is located at the start/finish area and offers standard race fare, electrolytes, water and hot food during the event; aid station food is for participants only. Participants may set up a personal pop-up tent or aid station on race morning.

Camping is available at the campground and local hotels are listed in nearby Marion. The race collects cat and dog food donations for Finding Forever Rescue. Entry fees are non-refundable and entries cannot be transferred to a future year. A pregnancy deferral to the following year is available with prior notice. Misconduct, littering or inappropriate behavior toward staff or volunteers may result in disqualification. Visit the organization's website for the most recent information.