E-Dirty Cross MTB Race 2025
December 6, 2025
E-Dirty Cross is an annual Southern California electric mountain bike race organized by Quick-n-Dirty Mountain Bike Racing.
The event, in its fifth year, features a variety of terrain, including singletrack, fire roads, jumps, and rock features. The race is open to riders of all levels and ages, with categories for expert, sport, beginner, school boys and girls aged between 12-15, and men and women aged 16 and over.
The race is limited to Class 1 E-Bikes, which are low-speed pedal-assist electric bikes that require pedaling to power the bike and will stop providing assistance when the speed reaches 20 mph.