Iron Will 100 - Junction City, KS

Iron Will 100 - Junction City, KS

Iron Will 100 is scheduled for September 19, 2026 in Junction City, KS and is organized by Iron Will Racing. The event is held at 5203 N HWY 57 and includes multiple endurance options.

• 100 mile run, ten out-and-back laps on the river trail.
• 50 mile run, five out-and-back laps.
• 50K course, one short out-and-back plus three longer out-and-backs for about 31 miles.
• 36 Hour event option.

The course is described as a flat, fast river trail with approximately 75 percent shade. The 100 mile course uses a ten lap out-and-back format. Manned aid stations are located every 5 miles.

Awards include finisher buckles for all four events, with the 100 mile buckle noted as the largest, and awards for top female and male finishers in each event. Time limits are in place: a 36 hour cutoff for the 100 mile, and 34 hour cutoffs for both the 50 mile and the 50K.

Registration details list entry fees ranging from USD 152.67 to USD 290.38. Registration closes on September 16 at 11:59 PM CT. Shirt guarantee requires registration by August 27. There are no refunds; deferrals to the following year are allowed up to 30 days before the event. Event changes are not permitted after races have started. Visit the organization's website for the most recent information.