Carderock Half

MAY
2
2026
Enjoy scenic, flat running on the C&O Canal Towpath in Potomac MD with chip timed 5k, 10k and half marathon distances plus a virtual option. Proceeds support Project Blackbird and its work around mental health and eating disorders.
Sat 2 May 2026
Half Marathon 10 kilometers 5 kilometers

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Event overview

The event offers chip-timed races at the Carderock Recreation Area along the C&O Canal Towpath in Potomac, MD. Distances offered:

  • 5k - chip timed, finisher’s medal, technical event shirt
  • 10k - chip timed, finisher’s medal, technical event shirt
  • Half marathon - chip timed, finisher’s medal, technical event shirt

Points from the races count toward the Year-Long 5k, 10k, Endurance, Back of the Pack Series and the Spring Series. A virtual race option is available. The race benefits Project Blackbird, a nonprofit that provides therapy and resources and seeks to encourage conversations about mental illness and eating disorders within underrepresented communities.

Course and logistics

All routes use the C&O Canal path, a light gravel dirt trail. Each course is out-and-back with minimal elevation gain. Water stations are provided as follows: ten stations on the half marathon (mile markers given), four on the 10k, and one on the 5k; Gatorade will be available at some stations. Restrooms are by the main parking lot. There is parking within the recreation area across four parking lots; the event location GPS pin is 38.972563, -77.198738. Packet pickup is available at the event. There will be no on-site race registration. Live results are posted online with a QR code at the race; final results and series points are posted the Monday after the race. Awards are given to the top three men and women overall and to top finishers in listed age groups. Visit the organization's website for the most recent information.

Half Marathon
Half
10 km
10k
5 km

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