14th Annual Rock CF Rivers Half Marathon & 5K

🏃‍♂️THE ROCK CF RIVERS HALF MARATHON IS BACK!

Sunday, March 9, 2025

Rock CF is hitting the island for the 14th Annual Rivers Half Marathon & 5K Run/Walk for all to come and help us outrun cystic fibrosis!

Rock CF is a community, thousands strong, changing the face of what living with cystic fibrosis looks like and giving those living with CF the tools to not only survive, but thrive. 100% of all proceeds support the mission of the Rock CF Foundation.

🎟️Registration Caps for 2025

• Half Marathon Cap: 800
• 5K Run/Walk Cap: 500

🏅HALF MARATHON DETAILS

• Start Time: 8:00 am
• Start Location: Grosse Ile HIGH School
• Finish Location: Grosse Ile HIGH School

🏃‍♀️5K RUN/WALK DETAILS

• Start Time: 8:15 am
• Start Location: Grosse Ile Airport (Naval Hangar)
• Finish Location: Grosse Ile HIGH School
• Transport: Buses will take all participants that park at GI Township Lots back from the Finish at the High School!

🌐VIRTUAL RUN OPTION

We will be sending out packets the week of the race so that you can participate with us from wherever you are! Whether that be a walk around the block or a full half marathon, we can’t wait to see what you accomplish. Be sure to tag us on our socials @LetsRockCF so we can share your journey and runs!

📍EVENT LOCATION

The event takes place at 7800 Grays Dr., Grosse Ile, MI.

🔗MORE INFORMATION

For more details, visit our event page: Rock CF Rivers Race.