MountainOne Steel Rail Marathon
Steel Rail Marathon gives Berkshires runners a rail-trail out-and-back with Adams Visitor Center logistics, steady aid, and fast-path potential.
Next raceSunday, May 17, 2026
LocationAdams, Massachusetts
Boston qualifierNo
MountainOne Steel Rail Marathon quick facts
- Sunday race day puts the marathon first, with the half marathon and 8K after it.
- Marathon starts at 7:00 a.m., followed by the half marathon and 8K.
- Race benefits the Ashuwillticook Rail Trail and DCR.
What is the MountainOne Steel Rail Marathon?
The MountainOne Steel Rail Races support the Ashuwillticook Rail Trail and DCR, with marathon, half marathon, 8K, and kids race options.
MountainOne Steel Rail Marathon course route
The marathon starts and finishes at the Adams Visitor Center and follows the Ashuwillticook Rail Trail, an out-and-back path race with frequent water stops.
Weather for the MountainOne Steel Rail Marathon
The Berkshires can bring a cool start and a large temperature swing in mid-May. Shade and trail exposure vary through the morning.
Past MountainOne Steel Rail Marathon dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Sunday, May 17, 2026 | — | — |
MountainOne Steel Rail Marathon FAQ
When is the MountainOne Steel Rail Marathon?
The 2026 MountainOne Steel Rail Marathon is on Sunday, May 17, 2026.
How do I register for the MountainOne Steel Rail Marathon?
You can register for the MountainOne Steel Rail Marathon at berkshirerun.org.