Registration for the next running of Bloomsday 12K isn't open yet. Save it on Trehko and we'll remind you the moment it opens.
Get reminded on Trehko →Save this race to your wishlist, set a registration reminder, and build a full training plan on Trehko.
Bloomsday 12K is a 12k running event held in Spokane, WA on May 3, 2026. It draws 50,000 competitors. The race features a $10K prize purse. The course has a hilly profile.
Trehko tracks registration status, entry fees, and deadlines for Bloomsday 12K and thousands of other endurance races. Use the app to set a registration reminder and build a training plan tailored to race day.
Browse by discipline: