Potomac River Run Marathon (Fall)
Race Day Weather
Mild start, warming late laps
Runners will face temperatures starting at 61°F, rising to 70°F by the end. Winds will be light, averaging 10 mph but shifting direction, providing a mix of headwind, tailwind, and crosswind. With high humidity at 83%, participants should start conservatively to adjust for the warmth in later laps. Staying hydrated will be crucial, especially as temperatures climb.
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Race Info
The Potomac River Run Marathon (Fall) is a marathon and half marathon held each October in Washington, DC, organized by the Safety And Health Foundation. Both distances start and finish at Fletcher's Cove on the C&O Canal Towpath, running out and back along the flat, unpaved canal path toward Carderock, Maryland, with the half marathon turning around near Towpath mile 9.65. The race is USATF-certified and serves as a Boston Marathon qualifier, and it is run in memory of Dean Shulman and Wendy Martinez. It is capped at 350 entrants and is the third leg of the Safety And Health Foundation's annual Grand Prix series.
