The San Diego Mountain Biking Association advocates for trail access, builds community, and promotes responsible riding across San Diego County.
From Black Mountain to Noble Canyon, SDMBA volunteers carve, maintain, and protect the singletrack that riders dream about — one shovel full at a time.
Over 1,500 members have joined the San Diego Mountain Biking Association to provide a unified voice for mountain biking. We build positive relationships with land managers, support sustainable trails, and educate riders to respect the environment and recreate responsibly.
Working with land managers and decision-makers to protect and expand public trail access across the county.
Hands-on trail building and maintenance that keeps systems sustainable and rideable for everyone.
Group rides, meetups, clinics, and events bringing riders together from every corner of San Diego.
Teaching responsible trail etiquette and environmental awareness to preserve trails for tomorrow.
Guiding the conversation on electric mountain bike access with thoughtful, fact-based advocacy.
Balancing recreation with conservation—supporting sustainable opportunities that respect open space.
SDMBA's signature event returns—an epic ride across San Diego County's best terrain. Order your 2026 jersey and register today.
Register NowAdd your voice to 1,500+ riders keeping trails open, well-maintained, and rideable year-round.
Fund trail projects, advocacy efforts, and community programs protecting riding across San Diego County.
Get your hands dirty at a trail day. Make friends, go outside, work hard, play hard.
Join 1,500+ members keeping San Diego's trails open, fun, and sustainable for everyone.
