Trail Running calendar near Santa Rosa 2026-2027

Run scenic Lake Sonoma trails near Healdsburg with a 100K Western States qualifier, a 50K, and a women only Trail Sisters half. Expect rolling singletrack, lake views, on course aid and a memorable finish with a custom bottle of wine.

Challenge yourself on scenic Lake Chabot trails April 11, 2026 in Castro Valley with distances from 8K to 50K plus a free kids dash. Looped, well marked courses offer big climbs, frequent aid stations and finisher medals for all.

Take on Calistoga's scenic mountain trails on April 12, 2026, with distances from a spirited 10k to an epic 50k. Expect rugged single track, sweeping views of Table Rock and Mount St Helena, aid stations on course, and a festive finish on t..

Join Badger Cove at Del Valle Regional Park on April 18 for a scenic half, 10K, 5K or remote run around Lake Del Valle. All finishers get custom medals and shirts, chip timing, and proceeds support East Bay Regional Parks camperships.

Celebrate Earth Week with trail runs through Annadel State Park at Spring Lake Regional Park in Santa Rosa. This nonprofit fundraiser features half marathon, 10K and 5K distances, low waste aid stations, and supports local park stewardship.

Join the No Foolin' Foot Race in San Carlos on April 18, 2026 with 1K kids, 5K, 10K and a new 15K route across Big Canyon, Eaton and Pulgas Ridge. Festival vibes, tech shirts, pro timing and proceeds help local trails.

Experience redwood canopy and sweeping ridge views at the Woodside Purisima Creek Crossover on April 18, 2026, with 10K, half marathon, 35K and 50K options. Limited to 450 runners, this scenic trail event features aid stations and finisher..

Join the 38th Mt Tam Wild Boar Half Marathon and 10K on April 25, 2026 at Mt Tamalpais State Park for a scenic ridge and trail run with sweeping views of Bolinas Lagoon and the Pacific. Entry is limited to 300 runners for an intimate race d..

The Miwok 100K is a 62 mile trail ultramarathon through redwoods, exposed ridgelines and coastal cliffs in the Marin Headlands. It is a demanding, well marked race with relay entries and a strong commitment to sustainability.

Join Tails & Trails on May 3, 2026 for a fun charitable run and walk supporting Dogwood Animal Rescue. Choose the in person 5K Dogwood Dash or a virtual any distance and help animals while you enjoy the outdoors in Windsor, CA.

Hit the trails at Pacific Union College in Angwin on May 3 for Angwin to Angwish, with 26K, 10K and a 1 mile kids run. Scenic courses and a community vibe, with proceeds benefiting PUC Athletics.

Experience towering redwoods and coastal views at the 36th Stinson Beach Muir Woods Trail Run on May 9, 2026. Choose marathon, half, or 7 mile routes in an intimate field of 300 for a scenic, rugged adventure with T shirts and medals.

Join the Waves & Whales 5K in Point Arena for a scenic coastal loop along bluffs and forest. All ages welcome and proceeds benefit a youth conservation program, with participants receiving an organic cotton tee and snacks.

Run Berkeley's scenic trails at the Grizzly Peak Trail Run in Tilden Regional Park, with distances from a free kids 50 yard dash up to a challenging 50K. Expect rugged singletrack, stocked aid stations, finisher medals and awards for top ru..

Join the Wine Half Marathon in Napa Valley on May 9, 2026, a 13.1 mile route through vineyards from Rutherford to Yountville. Founded by four French American wine professionals, the race blends warm hospitality, surprises, and scenic trails..

Choose from 10K to 50K trail runs at Skyline Wilderness Park in Napa, featuring steep climbs, valley views and well stocked aid stations. Camping, showers and park scenery make this a perfect weekend escape for trail lovers.

Rim Rock 50 Mile Trail Challenge in Napa Valley is a scenic yet rugged two loop course through oak woodlands and exposed ridgelines at Skyline Wilderness Park. Run solo for 50 mile glory or team up for a two person relay and tackle the terr..

Join Wildcat 2026 on May 16 in El Sobrante for scenic half, 10K, 5K and remote run options that boast 360 degree views of the Bay Area. Run for fun or support the East Bay Regional Parks Campership Program.

Run scenic single track trails at China Camp State Park on May 23, 2026 with half marathon, 10K and 5K options. Limited to 275 runners, course offers climbs, views of Mount Tamalpais and the bay, aid stations, shirts and finish medals.

Join Nitro Trail at Point Pinole Regional Shoreline on May 30, 2026 for scenic trail runs offering a half marathon, 10K, 5K and remote runner option. Family friendly vibes, volunteer photographers, and a fundraiser for local park campership..