Washington · 12K
Bloomsday Run
Bloomsday Run is a 12K event held in Spokane, Washington. Its next confirmed date is Sunday, May 2, 2027. About 38,000 runners take part across all distances.
- Race day
- May 2, 2027
- Location
- Spokane, WA
- Field size
- ~38,000 runners
Race details
- Date
- Sunday, May 2, 2027
- Location
- Spokane, Washington
- Distances
- 12K
- Field size
- About 38,000 runners
- Course
- Rolling / hilly
- Registration
- raceroster.com
- Official website
- bloomsdayrun.org
Registration, course & weather
- Registration status
- Registration status as last checked October 2, 2026: opens soon
- Start time
- 9:00 AM PDT
- Course profile
- Loop course; Road surface
- Typical race-day weather
- about 60°F at the start, 58% humidity, 2 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo, checked October 2, 2026)
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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Bloomsday Run: common questions
- When is the Bloomsday Run?
- The next confirmed date is Sunday, May 2, 2027.
- 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.
- Is registration open for the Bloomsday Run?
- Registration status as last checked October 2, 2026: opens soon. $30 (from bloomsdayrun.org, checked October 2, 2026).
- What time does the Bloomsday Run start?
- 9:00 AM PDT.
- What is the course like at the Bloomsday Run?
- Loop course; Road surface.
- What is race-day weather usually like at the Bloomsday Run?
- about 60°F at the start, 58% humidity, 2 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo, checked October 2, 2026).
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.