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History––the First 25 Years


The Cobscook Bay 10K for Down East Hospice had its genesis in the early 1990s, as an effort to create a certified 10-kilometre road race in Washington County, Maine. Our paved and gravel course, which begins near Route 1 in Pembroke, follows the western reaches of Cobscook Bay—the easternmost saltwater bay in the United States—and finishes at Pembroke’s majestic Reversing Falls.


Over the past 25 years, the Cobscook Bay Races have brought together our small, coastal communities—participants, volunteers, and local businesses––in support of Down East Hospice. We have shared the special beauty and character of the Quoddy region with participants from all over the US and Canada. Runners and walkers of all ages and abilities have competed in the challenging 10K and 5K courses and the (10 and under) 1-Mile Fun Run.

Down East Hospice


The Cobscook Bay Races support the mission of Down East Hospice, the only nonprofit all-volunteer hospice that provides cost-free comfort care for the terminally ill, the grieving, and their families throughout Washington County.


All proceeds from the race support the mission of Down East Hospice. 

Social Distancing Challenge:
2020 marks the 29th year for Cobscook. After much consideration the annual event will be postponed to 2021, with a social distancing challenge taking place instead. The safety and health of participants, volunteers and the community are of top priority during this uncertain time.
Cobscook Bay can still be experienced! Complete the 5k or 10k course between April 15 to June 1 and support Down East Hospice Volunteers.
Easy Steps to take part in the Challenge
  1. Register
    1. online Race Roster
    2. print a form and mail in
  2. T-shirts - Available for first 50 pre-registered $10 each, includes shipping.
  3. Run or walk Cobscook Bay or Anywhere
    1. Run or walk the Cobscook Bay5k or 10k course. Find course maps here. Courses will be marked from April 15 to June 1
    2. Run or walk in your neighborhood, park of where ever convenient and safe for you.
  4. Submit Results can be added at any time between April 15 and June 1 on
     Race Roster or send us a message with your time
    1. Need help? Read this FAQ
      Official results posted on June 6. 
Sub 5 Race Series

We are excited to continue to be part of Tradewinds Marketplace/ Sub5 Track Club Race Series!


Cobscook Bay 10k is the 5th race in the series.


For more information on Sub 5 Track Club and how you can participate in the series visit their website


The Sub 5 Track Club, founded in 1982 in the Bangor-Brewer area, is one of the largest and most active running clubs in the State of Maine. The club organizes weekly runs and track workouts, directs local road races, sponsors scholarships for area high school athletes, and maintains a website with a race calendar and results and coverage of youth cross country and track. New members are welcome!