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Semper Fi 5k & Half
Washington, Washington DC · Saturday, October 24, 2026 · 5K, Half Marathon
Official race page & registration ↗Semper Fi 5k & Half takes place on Saturday, October 24, 2026 in Washington, Washington DC. The race offers 2 distances: 5K, Half Marathon. For anyone travelling in, Arlington is about 5 miles away.
It is one of 13 races on the Washington DC calendar that October.
- Date
- Saturday, October 24, 2026
- Location
- Washington, Washington DC
- Distances
- 5K, Half Marathon
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in Washington: check in Oct 23, out Oct 25.
Common questions
When is Semper Fi 5k & Half?
Semper Fi 5k & Half is scheduled for Saturday, October 24, 2026.
Where is Semper Fi 5k & Half held?
Semper Fi 5k & Half is held in Washington, Washington DC. It is about 5 miles from Arlington.
What distances does Semper Fi 5k & Half offer?
The listed distances are 5K, Half Marathon.
How do I register for Semper Fi 5k & Half?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
- Oct 24Kimball Elementary 5kWashington, DC
- Oct 24Laufvergnügen (Half/10k/5k)Washington, DC
- Oct 17ACE Physical Therapy & Sports Medicine Institute 23½th annual Potomac River Run Marathon & Half, in memory of Dean Shulman and Wendy MartinezWashington, DC
- Oct 31Friends of the National Arboretum Fall 5KWashington, DC
- Nov 1Oakwood University 5KWashington, DC
See every race on the Washington DC calendar, all Washington races, Washington DC Half Marathons, Washington DC 5Ks, or use the Race Finder for maps and filters.