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Big A 50K Trail Race

Date:
Sat, May 02, 2026 at 7:30 AM – 5:30 PM
Location:
Mount Agamenticus Road
York, Maine
03909
United States
OpenStreetMap Google Maps
Links:
agamenticus.org Register at runsignup.com
Tags:
50k Run Trail

The Big A 50K Course

The course is composed of three 10.35 mile loops starting at the summit of Mount Agamenticus (Big A) and climbing back up the Big A and going over Second Hill and Third Hill and back up the Big A. There are opportunities to cross the finish line at approximately 10 miles and 13 miles (or any multiple of them up to 31 miles/50K). The terrain is mostly single track with some dirt road and ATV-type trails. Footing is technical with plenty of rocks, roots, and elevation changes. Trail running shoes are recommended. The full 50K has approximately 5,787 feet of elevation gain.

Course Records

  • Patrick Caron 4:48 (2017)

  • Lila Gaudrault 5:22 (2022)

Race Contacts

Please direct registration related questions to Nick Darby – ndarby@yorkmaine.org

For race related questions email the team at - Yorktrailrunner@gmail.com

Donations Needed

Did you notice registration was free? Historically this event has not had an official registration fee and instead asked for donations to benefit the Mount A Conservation Region. A minimum donation of $20 is recommended. Please reach out if you forgot to donate when registering or wish to mail in a check, as your support is vital to this event’s mission, ensuring the longevity of this trail race and greatly appreciated! Checks can be made out to "Mount A Conservation" and sent to the York Parks and Rec Department at 200 US Route 1, York, ME 03909.

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