*Course Alteration for 2018: Runners will be using the bike path parallel to Groh Rd. upon exiting the Airport grounds until they reach E. River Rd.
Special Note: Grosse Ile is an island connected by two bridges. The north end bridge costs $2 .50 each way. The south end bridge is Free. Please note that because of trains and possible bridge openings your travel time could be delayed. Please plan to arrive on the island early to make sure you have ample time to prepare.