The Potomac River Run Marathon course is a narrow (12-foot) wide unpaved trail, entirely flat, past 150-year-old locks and gatehouses. The course is very flat with the highest point at 116 feet and the lowest at 35 feet.
The Potomac River Run Marathon was the 255th largest marathon in the U.S. last year and was the 250th largest in 2022.
This year 10.3% of finishers qualified for the Boston Marathon and 13.2% of runners qualified for Boston in 2023.
This gives the Potomac River Run Marathon the 123rd highest percentage of Boston Marathon qualifiers in the U.S. last year and the 147th highest percentage so far in 2024.
Its Course Score of 99.53 ranks it as the 92nd fastest marathon course in the U.S. and the 3rd fastest course in Washington D.C..
The typical race time temperature and humidity levels are slightly above the ideal range for optimal marathon performance. This, coupled with the Course Score, gives the Potomac River Run Marathon a PR Score of 98.84. This PR Score ranks it as the 173rd fastest marathon in the U.S. and the 3rd fastest in Washington D.C..
Learn more about PR Scores and Course Scores on the FAQ page.
Potomac River Run Marathon Elevation Chart
Max Elevation: 116 feet (35m) Min Elevation: 35 feet (10m)
Hotel & VRBO Accommodations for the Potomac River Run Marathon
View available accomodations around the Potomac River Run Marathon Finish Line and Course. Book your Reservation now before the best places are sold out.
For a better mobile or desktop experience:
How Fast Can You Go?
If you ran the Potomac River Run Marathon in 3:43:00, what would your time in other marathons be?
See how your race times would compare on other marathon courses with our time conversion tool.
Very small, flat and fast. Felt like a training run. No lost time getting drinks or having to deal with crowds and really easy to jump off the path and go to the bathroom. I pr'd at 48 years old!
