Schedule Appointment



ACE Physical Therapy & Sports Medicine Institute with locations in Alexandria, Arlington/ Clarendon, Falls Church / Merrifield, FairOaks / Fairfax, Great Falls, Herndon / Reston, Leesburg / Lansdowne, and Tysons Corner / Vienna in VA  welcomes the Marathoners to ACE Physical Therapy & Sports Medicine Institute’s 18th annual POTOMAC RIVER RUN MARATHON & HALF.

When: Full and Half Marathon will be held on Sunday, May 2, 2021 at 9:00am

Where:   C&O Canal Towpath, Fletcher’s Cove, 4940 Canal Road, Washington DC

Registration: Please click here for online registration.

Open to:

  • Runners of all levels of ability who can cover the marathon course in less than 6 hours (please finish by 2 PM)
  • No time limit in the half marathon
  • Limited to the first 350 entrants

Fee: Registration Fee is $80.00.

Donate:  Race benefits the following charities:


You may register for our pre-race dinner ($10.00 in advance, $15.00 at the door, as much as you can eat, and the food is really good!)

Saturday, May 1, at 6:30 PM at Cosi Restaurant, 1801 North Lynn Street, Arlington VA

Watch the Kentucky Derby

You may also register for ROUND-TRIP Red Top Cab ride ($10.00 in advance Sunday, May 2, departing at 7:00 AM from Key Bridge Marriott, 1401 Lee Highway, Arlington VA. After the finish, whenever we have four passengers, we call Red Top Cab for your ride back to Key Bridge Marriott.

COVID-19 Disclaimer:

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