Revenge of the Penguins

C&O Canal Towpath at Carderock Recreation Area
C&O Canal Towpath at Carderock Recreation Area
Potomac, Maryland 20854

– C&O Canal Towpath, Carderock Recreation Area,
Clara Barton Parkway, Potomac, MD

– On the historic C&O Canal Towpath
between Mile post 2.0 & Mile post 12.0.
– Flat, shady, tree-lined, with scenic riverside vistas
the course you always dreamed about!
– Any runner who registers by Aug 12th is guaranteed
a Race Premium (late registrants, please check after
the race for availability).
– A low-key race for anyone training for a marathon,
half marathon, or for anyone that just wants the

– Parking can be found using Google Maps
– Parking is available in the parking area near
the start/finish line

  • Five aid stations along the course.
  • 10 Mile runners pass aid stations five times.
  • 20 Miler pass aid stations ten times
    (approximately every two miles).
  • Each aid station has water and Gatorade.
  • First aid, course marshals, and bike support
    on the course as well
  • This unique out-and-back course runs through
    one of the area’s first environmentally-protected
    zones, dating back to the 1830’s.
  • Watch for deer and other wildlife at dawn.
  • The C&O Canal for its entire 184.5-mile length
    is a swath of green amidst urban development.
  • The race course is a narrow (12-foot) wide
    unpaved trail, entirely flat, and runs past
    150-year-old locks and gatehouses.
  • We share the course with other users and bicyclists,
    so stay to the right.

All proceeds go to Marathon Charity Cooperation’s
partner charities.

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