ABOUT: Sponsors
The MDI Marathon, Half & Relay would not exist without the generous support of our sponsors. If your business or organization would like to be an important and appreciated part of our award-winning event, please click HERE for more information.
WE SALUTE OUR FOUNDING SPONSORS!
Thank you to Mount Desert Island Hospital and Bar Harbor Bank, and Mount Desert Spring Water for supporting the MDI Marathon for the long run, since 2002.