XC marathon mountain bike race
Dirty Bloom 50
Big climbs. Fast descents. High desert singletrack. Come ride the best of Wenatchee.
Register on BikeReg View course mapsRace Day
Saturday, May 2, 2026 — Wenatchee, Washington. This site is built to be simple, fast, and mobile-friendly.
- 7:00 AMParking + packet pickup opens
- 8:30 AMRider meeting
- 9:00 AMStart (50 mile)
- 2:30 PMAwards / raffle (estimate)
Want the full course breakdown? Maps + GPX downloads are on the Course page.
Go to Course MapsWhat to Expect
A true XC challenge: sustained climbing, punchy efforts, and rewarding descents. Come prepared for variable spring conditions and remote trailhead logistics.