Rivers & Rails Marathon
Race Day Weather
Cool start, steady conditions
Runners will face a cool start at 39°F, warming to 54°F by race end. Light winds from the W at 7 mph will have little impact, while humidity sits at a comfortable 57%. Given the temperature trend, runners should maintain an even pace and stay adequately hydrated throughout the race.
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Race Info
The Rivers & Rails Marathon is a marathon, half marathon and 5K held in Brunswick, Maryland, starting near the entrance to the C&O Canal Towpath between the MARC train lot and the Potomac River. The marathon crosses the Potomac and Shenandoah rivers twice each, running through Harpers Ferry and Bolivar, West Virginia before returning to Brunswick; the half marathon crosses the Potomac twice and skips the Bolivar section. The Veterans Challenge 5K stays within Brunswick on a hilly course honoring veterans. The race debuts November 14, 2026, organized by Horizun Events, founded by Mike Buscher after he completed marathons in all 50 states.
