December 2025

Saturday, December 6 Registration is Open Death Valley Trail Marathon, Half Marathon & 10K  Death Valley National Park - Death Valley, CA

Saturday, December 13 Registration is Open Hark the Herald Angels Half Marathon & 10K Angel Island State Park - Tiburon, CA

February 2026

Saturday, February 7 Registration is Open Death Valley Road Race Marathon, Half Marathon 10K Death Valley National Park - Furnace Creek, CA

March 2026

Saturday, March 21 Registration is Open Napa Valley Trail Marathon, Half Marathon & 10K Bothe-Napa Valley State Park - Calistoga, CA

April 2026

Saturday, April 4 Registration is Open Golden Gate Headlands Marathon, Half Marathon & 10K Marin Headlands - Sausalito, CA

Saturday, April 11 Registration is Open Romancing the Island Half Marathon & 10K Angel Island State Park - Tiburon, CA

Saturday, April 25 Registration is Open Mt. Tam Wild Boar Half Marathon & 10K Mt. Tamalpais State Park - Mill Valley, CA

May 2026

Saturday, May 2 Registration Opening Soon Call of the Wild 25K & 10K Jack London State Park - Glen Ellen, CA

Saturday, May 9 Registration is Open Stinson Beach/Muir Woods Marathon, Half, & 7 Mile Stinson Beach Park - Stinson Beach, CA

August 2025

Saturday, August 8 Registration Opening Soon Alcatraz Sharkfest Swim - 1.5 miles Alcatraz to San Francisco - San Francisco, CA

Saturday, August 22 Registration Opening Soon Golden Gate Sharkfest Swim - 1.6 miles Under the Golden Gate Bridge - Sausalito, CA

Saturday, August 29 Registration Opening Soon Angel Island Half Marathon & 10K Angel Island State Park - Tiburon, CA

September 2025

Sunday, September 13 Registration Opening Soon Lake Tahoe Sharkfest Swim - 1 Mile Sand Harbor State Park - Incline Village, NV

Saturday, September 26 Registration Opening Soon Big Sur Trail Marathon, Half Marathon & 5 Mile Andrew Molera State Park - Big Sur, CA

October 2026

Sunday, October 18 Registration Opening Soon San Diego Sharkfest Swim - 1 Mile San Diego Harbor - San Diego, CA to Coronado, CA

Saturday, October 24 Registration Opening Soon Napa Fall Wine Country Trail Marathon, Half Marathon & 10K Bothe-Napa State Park - Calistoga, CA