Arrowhead Endurance Run

Arrowhead Endurance Run : October 10–11, 2026

The Arrowhead Endurance Run takes place at Arrowhead Lake Campground, 1600 Peterson Ave, Johnston City, IL. The course is a certified 2.07 mile loop around the lake. The trail surface is mostly gravel with a short concrete section at the boat ramp. Elevation change is under 50 feet per loop. Organizers report national level mileage totals in the event's early years. Chip timing is provided by SoILL Racing.

Race formats include:

• 24 hour individual
• 24 hour relay
• 12 hour day
• 12 hour night
• 6 hour race
• 3 hour race

Camping is available at the campground. Several hotels in Marion are about 15 minutes from the venue. One large aid station is located at the start/finish area and supplies water, electrolyte options, chips, candy, fruit, cookies and hot food during the event. Aid station food is intended for participants. Participants may set up a personal pop up tent or aid station on race morning.

Shirts will be provided to finishers who registered before the shirt deadline of 9/27/26. Each runner who completes at least one official lap in their registered race will receive a custom medal. Buckles are awarded to runners who complete 100 miles in the 24 hour race within the cutoff. Overall winners receive a special award.

Entry fees are non refundable and entries cannot be transferred to another year. Women who become pregnant between registration and race day may defer 100 percent of the entry fee to the following year only. A military and first responder discount is available by request. Littering or inappropriate behavior toward volunteers or staff may result in disqualification or banning. Registration closes on Oct 9 at 11:59 PM CT. Visit the organization's website for the most recent information.