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Mountain Biking
Filthy Fifty Mountain Bike Race 2025
The annual Filthy 50+ mountain bike race takes riders through various areas of San Dieguito River Park and Black Mountain Park.
E-Dirty Cross MTB Race 2025
Sycamore Canyon Goodan Ranch 13920 Hwy 67, Lakeside, United StatesE-Dirty Cross, is a Southern California electric mountain bike race series in San Diego County.
Dirty 30 Mountain Bike Race 2025
Sycamore Canyon Goodan Ranch 13920 Hwy 67, Lakeside, United StatesDirty Thirty is a 30 mile mountain bike race in Lakeside, California, hosted by Quick-n-Dirty.