Washington · 12K
Bloomsday Run
Bloomsday Run is a 12K event held in Spokane, Washington. It is usually held in May; the exact date hasn't been confirmed in the listing yet. About 38,000 runners take part across all distances.
- Usually held
- May
- Location
- Spokane, WA
- Field size
- ~38,000 runners
Race details
- Usually held in
- May (date not confirmed)
- Location
- Spokane, Washington
- Distances
- 12K
- Field size
- About 38,000 runners
- Course
- Rolling / hilly
- Registration
- raceroster.com
- Official website
- bloomsdayrun.org
About the Bloomsday Run
Spokane's iconic 12K, founded in 1977, draws tens of thousands of runners, joggers, walkers and wheelchair athletes each spring through downtown and the Spokane River gorge. It is by far Washington's biggest running event.
Rankings and notes
- Rankings and awards
- One of the largest timed road races in the United States and the largest race in Washington; celebrated its 50th anniversary in 2026; PRRO Circuit stop
- Notes
- Largest Washington road race and one of the largest U.S. 12Ks.
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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.
Bloomsday Run: common questions
- When is the Bloomsday Run?
- The next date hasn't been announced in the listing yet. The race is usually held in May. Check the organiser's website for the official date.
- Where is the Bloomsday Run held?
- In Spokane, Washington.
- What distances does the Bloomsday Run offer?
- 12K.
- How many people run the Bloomsday Run?
- About 38,000 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Bloomsday Run?
- Registration is handled by the organiser at raceroster.com. Entry fees, caps and deadlines are set there.
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.