Southern California’s finest, filthiest 50 mile mountain bike race is on for Sunday October 30, 2016 in the heart of the San Diego County’s San Pasqual Valley. If you want to race the Filthy 50 (or ride it) be sure to register (and prep your Halloween costume). Last year it sold out early so click the link and get ‘er done.
[Link: Quick n’ Dirty]
