Get ready to embark on an exciting fitness journey with the G.R.A. 100 Mile Challenge! Kicking off on April 30, 2025, and running through October 30, 2025, this dynamic event takes place in the beautiful surroundings of Grayling, Crawford. Participants can engage in a variety of activities such as hiking, biking, kayaking, or running as they strive to complete an impressive 100 miles.

This challenge is designed to motivate you to stay active during the spring and summer months while tracking your progress in a fun and rewarding way. Best of all, participation is free, but for those looking to commemorate their achievement, a customized long sleeve T-shirt can be yours for just $20! Miles are logged on the honor system, allowing you the flexibility to conquer your distance where and how you choose. Don't forget to submit your results by November 7th via phone or email. Join the G.R.A. 100 Mile Challenge and make this spring and summer your healthiest yet!