Island Ripple Run
- Date
- July 19, 2026
- Distance
- Kids Diamond Dash · Island Ripple Run
From the Organizer
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. Participants will enjoy ocean views as this run follows picturesque island roads and wooded paths around Great Diamond Island, over the sandbar that attaches Great Diamond and Little Diamond Islands at low tide, around Little Diamond Island, and ends on the north side of Great Diamond Island near the tent site. All proceeds from this race go to the Dennis Farrell Memorial Scholarship Fund at Rippleffect, located on neighboring Cow Island. The Kids Diamond Dash kicks off the morning followed by the Island Ripple Run. Light refreshments will follow the races.
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Every finish line starts with a single decision. Claim your spot at Island Ripple Run, put it on the calendar, and turn “someday” into a start date.
Coming Up
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From Endurance Grid
About This Sport
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
Running
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
- What is the Island Ripple Run?
- Island Ripple Run is a running race held in Great Diamond Island, Maine on July 19, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
- When and where is the Island Ripple Run?
- Sunday, July 19, 2026 in Great Diamond Island, Maine at Diamond Cove, Great Diamond Island, ME. Check the event page for exact start times and wave schedules.
- How do I register for the Island Ripple Run?
- Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.
Island Ripple Run
Jul 19, 2026