
G.R.A. 100 Mile CHALLENGE
Fri, May 1, 2026, 12:00 AM EDT
- Location
- Grayling, MI
- 7601 Old Lake Road, 49738
- Type
- VIRTUAL
Sign up and verify details on the organizer’s official page.
At a glance
A self-paced virtual challenge to log 100 miles through spring and summer, perfect for tracking your fitness journey across multiple activities.
The G.R.A. 100 Mile Challenge invites you to embrace an active spring and summer by tracking your progress across various activities. This virtual event encourages participants to achieve a minimum of 100 miles through walking, hiking, biking, kayaking, or running. It's a flexible way to stay motivated and monitor your fitness journey from May 1 to October 31. While participation is free, a custom long-sleeve T-shirt with a unique design and a listing of your achieved miles is available for a fee, offering a tangible memento of your dedication.
What to expect
- Engage in a self-directed 100-mile challenge across walking, hiking, biking, kayaking, or running.
- Track your progress on the honor system from May 1 to October 31.
- Receive a custom long-sleeve T-shirt by paying a fee, featuring your name and miles achieved.
Standout details
- Virtual 100-mile challenge
- Track miles walking, hiking, biking, kayaking, running
- Custom long-sleeve T-shirt available
- Names and miles listed on shirt back
Perks & features
- Shirt
From the public listing — confirm on the official site.
Auto-drafted from the public listing — confirm details on the official event page before signing up.
Distances & registration
2 optionsRegistration for all distances is through the official signup link above.
- 100 Miles
Fri, May 1, 12:00 AM EDT · From $0.00
Opens Apr 1, 2026, 3:00 AM EDT · Closes May 1, 2026, 7:59 PM EDT
G.R.A. 100 Mile Challenge (T-Shirt Option)
Fri, May 1, 12:00 AM EDT · From $27.50
Opens Apr 7, 2026, 7:28 AM EDT · Closes May 1, 2026, 7:59 PM EDT
From the organizer
A great way to start your exercise program through the spring and summer is keeping track of your progress. Register in the 100 Mile Challenge, track your miles walking/hiking, biking, kayaking or running. The goal is to get a minimum of 100 miles. Program is free without custom shirt. Pay $25 and receive a customized long sleeve T-shirt. The shirts have a custom design graphic on the front, the back of the shirts will list participants names with the amount of miles they have achieved by October 31, 2026. Price reflects shirt being pick up at Hanson Hills. We can ship your shirt for an additional $10 fee. Miles are logged on the honor system and can be done at the location of your choice. Results need to be turned in before November 7th by phone 989-348-9266 Ext. 201 or Email, Programs@hansonhills.org
Also in this area
Easier options nearby
Lower-difficulty races in the same state.