Diamond Cove, Great Diamond Island ME
Sunday, July 19th, 2026
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.
All proceeds from this race go to the Dennis Farrell Memorial Scholarship Fund at Rippleffect, located on neighboring Cow Island.
For additional details, visit the race page at Island Ripple Run.
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