Mount Desert Island Marathon
Get Real Maine. Run MDI! Sunday, October 17, 2021.MOUNT DESERT ISLAND:
MARATHON, HALF & RELAYFor more information or to register for the MDI Marathon visit the official website, www.runmdi.org Interested in being a larger part of the Marathon? Learn how you can help at Beyond the Finish Line.
Sunday, October 17, 2021.MOUNT DESERT ISLAND: