Big A 50K Trail Race

York, United States • 3 May 2025

The Big A 50K Trail Race is an exciting trail running event taking place in York, Maine, on May 3, 2025. The race features a challenging course consisting of three loops, each measuring 10.35 miles, starting from the summit of Mount Agamenticus. Participants will navigate technical terrain with significant elevation changes, including approximately 5,787 feet of gain. While there is no official registration fee, a minimum donation of $20 is recommended to support the Mount A Conservation Region. The event encourages runners of all levels, offering opportunities to finish at various distances up to 50K. Visit the organization's website for the most recent information.

Race information

50 km
50k
Visit the organization's website for the most recent information.
Trail runs nearby

Join the Tortoise and the Hare Trail Races in Salisbury on April 4, 2026 for trail 10K, 5K and a fun 1 Mile Color Run. Enjoy custom tech shirts, post race music and snacks while supporting Salisbury Parks and Recreation.

The Mt. A Trail Challenge will take place in York Harbor on Saturday 19 September 2026. You can run 5 kilometers.