16th Annual Rock CF Rivers Half Marathon
When is 16th Annual Rock CF Rivers Half Marathon?
16th Annual Rock CF Rivers Half Marathon takes place on Sunday, March 21, 2027 in Grosse Ile, MI.
What distances does 16th Annual Rock CF Rivers Half Marathon offer?
16th Annual Rock CF Rivers Half Marathon offers 8 events: 5K Run/Walk, 5K Run/Walk, Half Marathon, Half Marathon, 15K, 15K, Virtual Run, Virtual Run.
| Event | Distance | Price | |
|---|---|---|---|
| 5K Run/Walk | 3.1 mi | $40.00 | Register |
| 5K Run/Walk | 3.1 mi | $40.00 | Register |
| Half Marathon | 13.1 mi | $85.00 | Register |
| Half Marathon | 13.1 mi | $90.00 | Register |
| 15K | 15.0 km | $75.00 | Register |
| 15K | 15.0 km | $70.00 | Register |
| Virtual Run | — | $50.00 | Register |
| Virtual Run | — | $50.00 | Register |
How much does 16th Annual Rock CF Rivers Half Marathon cost?
Registration for 16th Annual Rock CF Rivers Half Marathon starts at $40.00. Prices vary by event distance.
Where is 16th Annual Rock CF Rivers Half Marathon held?
16th Annual Rock CF Rivers Half Marathon is held in Grosse Ile, MI at 7800 Grays Dr.
About 16th Annual Rock CF Rivers Half Marathon
The 16th Annual Rock CF Rivers Half Marathon, 15K, and 5K is coming back to the island of Grosse Ile, Michigan on Sunday, March 21st, 2027 for all to come and help us outrun cystic fibrosis! Starting from the Grosse Ile High School, enjoy the flat-and-fast course en route to chasing a personal best, experiencing your first half marathon, or taking in the scenic views of the Detroit River with friends & family at one of Michigan's premier spring races.
Packet Pickup
Runners can pick up for others. Having QR codes handy will help things move quicker. We will email those out race week!
Early Pick Up
Wednesday March 18 & Thursday March 19
Run Detroit (1948 Division St. Suite 105 Detroit, MI)
Time: 10:00am-6:30pm
March 21 Race Expo (Pick up for all races)
Grosse Ile Middle School Gym (23270 E River Rd Grosse Ile)
Time - 12:00pm - 6:00 p.m.
____________________________________________________________________
Sunday March 22- RACE DAY
Grosse Ile Middle School Gym: Half Marathon & 15K ONLY
Time- 6:00am until race time
Race Day 5K Pick Up
Grosse Ile Pilot House (9645 Groh Rd, Grosse Ile )
Time- 6:00am until race time
Parking
2027 Rock CF Rivers Half Marathon, 15K & 5K Parking Info
1) Township Shuttle Lots by Grosse Ile Airport: Beginning at 6am to Grosse Ile High School
- Use the address 9801 Intrepid & enter off of Meridian Rd. only
- Please park where volunteers advise
- Half & 15K runners must board a bus to the Middle School for start & packet pickup
- Bus loading is on Saratoga Ave
- Buses will run continuously until race time & resume post race
- 5K runners do not board the shuttles. Your start & packet pickup is walkable, across Groh Rd
- Post Race: Buses will drive Half Marathon & 5K runners back to these lots from the High School
- 15K runners finish at the airport. This is across the street from these shuttle lots
We strongly encourage Half Marathon & 15K runners to arrive to the shuttle lots early, especially if you need to pick up your packet. Our suggestion is 90 minutes to allow time to park, and wait for bus loading. Shuttle time from the lots to the High School is 8-10 minutes but it will take longer with race traffic.
2) Grosse Ile Golf & Country Club *New this year!*: Beginning at 6am to High School Only
- This lot will fill up early!
- Pre race shuttles will only run to the High School from the Country Club
- 5K runners that park here will need to ride the shuttle to the High School, then board a bus to the 5K area at the airport
- Post Race: Buses will drive runners from both finish areas back to the lot
3) Macomb Street (Select businesses with Race Parking Sign out front)
- Roughly 0.5 mile walk to the High School
- Please only park in lots that have a Race Parking sign out front
- Fifth Third Bank, Building Blocks, Nate’s, Public Service Credit Union, Tails, Ralph’s Lawn, Island Goods (old lot), & lot at 7738 Macomb Parking Lot
- These lots are on Macomb between Parke Lane & E. River
Note: The 15K Finish Line is at the airport. Runners that need to be shuttled to the High School or the Country Club can catch a shuttle here.
Race Maps
Race Swag
All participants will receive a race medal with their respective distance (including virtual!) as well as a race shirt. Here are some shots of this year's Rock CF Rivers Half Marathon race shirt and medal! 🤘
Don't miss out on your chance to join us for a lap around beautiful Grosse Ile on the Detroit River! We are expecting the race to sell out for the 4th consecutive year. Register today: https://runsignup.com/Race/Register/?raceId=169581
Schedule of Events
Schedule of Events for Rock CF Rivers Half Marathon Race Week!
Packet Pick Up
Wednesday, March 18 & Thursday, March 19- RUNdetroit (1948 Division Ste. 105, Detroit, MI 48207)
10:00 am - 6:30 pm
Saturday, March 21- Grosse Ile MIDDLE School Gym (23270 E. River Rd
Expo/Packet Pick Up for All Distances: 12:00 pm - 6:00 pm
Race Day - Sunday, March 22
IMPORTANT REMINDER! There is no parking available at Grosse Ile Middle School or Grosse Ile High School. Please utilize the information found on our parking info page found here for the Airport Township Shuttle Lots: https://runsignup.com/Race/rockcfrivers/Page-4
Half Marathon & 15K
Start/Finish/Pick Up is located in Grosse Ile MIDDLE School gym
6:00 am - 7:50 am | Half Marathon & 15K Packet Pick Up
6:00 am | VIP Area Opens
6:00 am | Shuttles start between shuttle parking lots & middle school
8:00 am | Half Marathon & 15K Start
11:30 am | Finish Line closes
11:45am | Last Shuttles to shuttle parking lots
15K Finishes at the Grosse Ile Airport
5K Run/Walk
Start Line is located inside of Grosse Ile Airport Naval Air Hangar
Packet Pick Up is located at Grosse Ile Pilot House - 9645 Groh Rd. Grosse Ile, MI
6:00 am – 8:00 am | Packet Pick Up/Registration at Grosse Ile Pilot House
8:15 am | 5K Start
5K Finishes at Grosse Ile Middle School