Iron Will Grand Slam

The Iron Will Grand Slam is an ultimate ultra-running challenge that invites participants to complete four 100-mile races in a single season. Scheduled for 2025, the series includes the Earth Day Buckle Mania, Iron Will Backroads, Honey Badger Road Race, and the final Iron Will event. Registration for all four races is available for $600, offering an exceptional value for ultra runners.

Participants can earn unique finisher buckles for each race and have the option to purchase a custom plaque commemorating their achievement. This event is a chance to join an elite group of runners who have successfully completed the Grand Slam. Visit the organization's website for the most recent information.