- This event has passed.
October 1, 2017 @ 8:00 am - 5:00 pm
The 26th annual Cadillac Challenge will be held on October 1, 2017 (always the 1st Sunday on October), rain or shine. The ride starts and ends at the MDI High School in Bar Harbor. Routes are 72 and 100 miles around Mount Desert Island before riding the Acadia National Park Loop Road and Cadillac Mountain, then returning to the MDI High School. See the website for more details at http://cadillacchallengecentury.com/