Washington, DC · 5K · Half Marathon · Virtual with Medal
Semper Fi 5k & Half
Semper Fi 5k & Half is a 5K, half marathon, Virtual with Medal, Virtual with Medal and Shirt and Virtual without Medal/Shirt event held in Washington, Washington, DC. It was last held on October 24, 2026 and is usually run in October; the next date hasn't been announced yet.
- Usually held
- October
- Location
- Washington, DC
Race details
- Last held
- October 24, 2026
- Usually held in
- October
- Location
- Washington, Washington, DC
- Distances
- 5K, Half Marathon, Virtual with Medal, Virtual with Medal and Shirt, Virtual without Medal/Shirt
- Registration
- raceroster.com
Registration, course & weather
- Registration status
- Registration status as last checked October 5, 2026: open
- Start time
- 7:30 AM EDT
- Course profile
- Out-and-back course; Mostly trail, some road
About the Semper Fi 5k & Half
A half marathon and 5K on the C&O Canal towpath in Georgetown, Washington DC, benefiting Semper Fi & America's Fund. The half is an out-and-back on a light gravel path.
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Guides from the RaceRove blog
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Semper Fi 5k & Half: common questions
- When is the Semper Fi 5k & Half?
- The next date hasn't been announced in the listing yet. The race is usually held in October. Check the organiser's website for the official date.
- Where is the Semper Fi 5k & Half held?
- In Washington, Washington, DC.
- What distances does the Semper Fi 5k & Half offer?
- 5K, Half Marathon, Virtual with Medal, Virtual with Medal and Shirt and Virtual without Medal/Shirt.
- How do I register for the Semper Fi 5k & Half?
- Registration is handled by the organiser at raceroster.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Semper Fi 5k & Half?
- Registration status as last checked October 5, 2026: open. Listed fee for the longest distance, $70 (from raceroster.com, checked October 5, 2026).
- What time does the Semper Fi 5k & Half start?
- 7:30 AM EDT.
- What is the course like at the Semper Fi 5k & Half?
- Out-and-back course; Mostly trail, some road.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.