Event Details
The Rock CF Rivers Half Marathon is back! Come out on Sunday, March 9, 2025, to help us outrun cystic fibrosis!
100% of all proceeds go to the Rock CF Foundation supporting the community.
Courses and Registration
- Half Marathon: 13.1 Miles, Start Time: 8:00 AM, Price: $80.00
- 5K Run/Walk: 5K, Start Time: 8:15 AM, Price: $40.00
- Virtual Run: Participate from anywhere, Price: $50.00
Location
Address: 23270 E. River Rd, Grosse Ile, MI, US - 48138
Half Marathon Start/Finish: Grosse Ile Middle School
5K Start: Grosse Ile Airport, Finish: Grosse Ile Middle School
Caps for 2025
- Half Marathon Cap = 800
- 5K Run/Walk Cap = 500
Race Weekend
Saturday, March 8: Race Expo at Grosse Ile Middle School from 12:00 PM - 6:00 PM
Sunday, March 9: Race Day for Half Marathon and 5K.