MDI YMCA Acadia Half Marathon & 10K

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Featuring breathtaking views of Acadia National Park and Maine’s rocky coastline, the Mount Desert Island YMCA Acadia Half Marathon and 10K runs a spectacular course for a great cause every June. The MDI YMCA is the cornerstone of youth development and recreational activities on the island, and this race is their second largest fundraiser of the year. For runners and spectators alike, this race is a fantastic way to support and experience the local community.