Potomac River Run Marathon
Carderock, MD, USA · May 2, 2026
Race Day Weather
60°at start
75° high
Breezy
Dry
Warm day, headwind challenge
Runners will face temperatures rising from 59°F to 75°F, with humidity averaging 80%. A consistent headwind of 15 mph will add to the challenge, with gusts up to 34 mph. To maintain performance, runners should adjust their pace and consider hydration strategies early on.
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FAQ
When is the 2026 Potomac River Run Marathon?
The 2026 Potomac River Run Marathon will be held on Saturday May 2, 2026.
Is the Potomac River Run Marathon a Boston Marathon Qualifier?
Yes, the Potomac River Run Marathon is an official Boston Marathon qualifier.
What will the weather be like for the 2026 Potomac River Run Marathon?
The forecast calls for a high of 75°F and a low of 58°F with a 39% chance of rain.
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