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Mountain Biking
Calendar of Events
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1 event,
Filthy Fifty Mountain Bike Race 2026
The annual Filthy 50+ mountain bike race takes riders through various areas of San Dieguito River Park and Black Mountain Park.
2 events,
Dirty 30 XL Fondo Mountain Bike Race 2026
Dirty Thirty is a 30 mile mountain bike race in Lakeside, California, hosted by Quick-n-Dirty.
E-Dirty Cross MTB Race 2026
E-Dirty Cross, is a Southern California electric mountain bike race series in San Diego County.
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