Cobscook Backyard Ultra – Edmunds Twp, ME 2026

Cobscook Backyard Ultra - 50K or 50 miles. Sunday April 26* The Event : Come and run an easy 5 Km or 4.167 mile (6.706 Km) loops - just a stroll in the Park! If you want to spend Saturday in the beautiful Cobscook Bay State Park running and walking your first, or a different kind of, 50 Km or 50 mile Ultra with a great group of people, then why not sign up and join the fun? Or bring 1 or more friends and split the distance between you as a team entry. *Inclement weather/conditions: in the event of ice, snow or inclement weather the alternative event date is Sunday May 3, will do our best to announce a date change if necessary as soon as possible. Event is Subject to park construction and permitting. Registration announcement will be sent out in Mid February. If you can run/walk 3.1 miles in 1 hour then do it again next hour, and then again for 10 laps/hours in total, then you can finish a 50K in 10 hours. Or if you don't think you can do it all alone, find a friend or two and divide it