Washington · Half Marathon · 5K · 10K
Sloth Run 5K/10K/13.1 SEATTLE
Sloth Run 5K/10K/13.1 SEATTLE is a half marathon, 5K, 10K and 1 Mile event held in Seattle, Washington. It was last held on August 29, 2026 and is usually run in August; the next date hasn't been announced yet.
- Usually held
- August
- Location
- Seattle, WA
Race details
- Last held
- August 29, 2026
- Usually held in
- August
- Location
- Seattle, Washington
- Distances
- Half Marathon, 5K, 10K, 1 Mile
- Registration
- runsignup.com
- Official website
- thebestraces.com
Registration, course & weather
- Registration status
- Registration status as last checked October 20, 2026: completed
- Start time
- 7:30 AM PDT
About the Sloth Run 5K/10K/13.1 SEATTLE
🦥🏃♂️ The Sloth Run – Slow Is the New Fast! 🏃♀️🦥 Sloths will get there! Tired of high-speed races and intense competition? Us too! Welcome to the Sloth Run, where the pace is slow, the vibes are chill, and everyone's a winner (eventually). Overview: Run will sell-out QUICK! We will close off waves the moment they fill up. If waves are sold out, you can sign-up for the virtual run option or wait list. This is a smaller, private group run with a cap per wave. All …
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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.
Sloth Run 5K/10K/13.1 SEATTLE: common questions
- When is the Sloth Run 5K/10K/13.1 SEATTLE?
- The next date hasn't been announced in the listing yet. The race is usually held in August. Check the organiser's website for the official date.
- Where is the Sloth Run 5K/10K/13.1 SEATTLE held?
- In Seattle, Washington.
- What distances does the Sloth Run 5K/10K/13.1 SEATTLE offer?
- Half Marathon, 5K, 10K and 1 Mile.
- How do I register for the Sloth Run 5K/10K/13.1 SEATTLE?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Sloth Run 5K/10K/13.1 SEATTLE?
- Registration status as last checked October 20, 2026: completed.
- What time does the Sloth Run 5K/10K/13.1 SEATTLE start?
- 7:30 AM PDT.
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.