When
Sunday, July 19th, 2026
Where
Diamond Cove, Great Diamond Island ME
Distance
About this race
Island Ripple Run Overview
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.
Race Details
- Distance: 4 miles
- Location: Diamond Cove, Great Diamond Island, ME
- Date: 2026-07-19
- URL: Visit Race Page
Course Highlights
- Ocean Views: Participants will enjoy stunning views of the ocean.
- Scenic Route: The run follows picturesque island roads and wooded paths.
- Sandbar Crossing: Includes a crossing over the sandbar connecting Great Diamond and Little Diamond Islands at low tide.
- Finish Line: The race ends on the north side of Great Diamond Island near the tent site.
Charity and Events
- Proceeds: All proceeds from this race go to the Dennis Farrell Memorial Scholarship Fund at Rippleffect, located on neighboring Cow Island.
- Kids Event: The Kids Diamond Dash kicks off the morning, followed by the Island Ripple Run.
- Refreshments: Light refreshments will follow the races.
Course map
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