Semper Fi Half

OCT
24
2026
Run a scenic half marathon or 5k on the flat, gravel C&O Canal path in historic Georgetown. The event benefits the Semper Fi & America's Fund and includes series points, a finisher's medal, and a tech shirt.
Sat 24 Oct 2026
13 miles 5 kilometers

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Event Overview

The Semper Fi Half and 5k takes place on the Chesapeake & Ohio Canal path in Georgetown, near Washington, D.C. The half marathon starts and finishes in Georgetown near the Potomac Boat Club, while the 5k starts and finishes at Fletcher's Boathouse.

Course Details

Both distances are out-and-back routes on the C&O Canal path, which is a light gravel trail with minimal elevation change and is considered flat. Walkers are welcome at the event.

Runner Information

All participants receive a finisher's medal, a technical event shirt, and chip timing. T-shirts are guaranteed for registrations before October 14; after that, they are available on a first-come, first-served basis. Awards are given to the top three overall men and women, as well as to the first and second place male and female finishers in multiple age categories. A virtual run option is available for those who cannot attend on the event day.

Race Logistics

Packet pickup is available at the event. There is no on-site race-day registration. For the half marathon, there are seven water stations on the course, with one water station on the 5k course. Restroom facilities are available near the start areas. There is no official bag check, but a timing tent can be used for leaving items at the runner's own risk.

Charity

The event benefits the Semper Fi & America's Fund.

Registration Fees

  • 5k: $35 until October 15, then $40.
  • Half Marathon: $70 until October 15, then $75. Prices increase by $5 on race morning.

Series Points

Participant points count towards the organizer's Year-Long 5k, Endurance, and Back of the Pack series, as well as their Fall Series. Visit the organization's website for the most recent information.

13 mi
Half Marathon
5 km