Save This Event For Later 2018 Quick n' Dirty MTB Filthy 50+ Escondido, CA, Sun Oct 28, 2018 Who's Registered? | Contact Event | Event Website | Google Calendar Start line address: 18194 Bandy Canyon Rd, Escondido, CA 92025 Presented by Quick n' Dirty MTB This is a past event. If you wish to see the details for this event click, "Continue" below. If you are looking for a current event, please search the event calendar . Online Registration is closed Online registration is closed. Wait list is closed. There is no day of registration EXCEPT THE KIDS RACE CLASSES. KIDS ON SITE REGISTRATION WILL BE OPEN.