Sunday, July 19th, 2026
Diamond Cove, Great Diamond Island ME
About this race
The Island Ripple Run returns to Diamond Cove, Great Diamond Island, and Little Diamond Island! This is a 4-mile race around two islands in beautiful Casco Bay, just off the coast of downtown Portland.
Organize this race?
Claim it free to manage the listing. Want more signups? Feature it to put it in front of more runners.