Castro Valley
Trail Running Calendar near Castro Valley 2026-2027
Explore the top trail runs near Castro Valley for 2026-2027! We've gathered 75 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
April 2027
No Foolin' Foot Race in San Carlos on April 24, 2027 offers 15K, 10K, 5K and a 1K kids trail course across Big Canyon, Eaton and Pulgas Ridge, with proceeds supporting local open space trail maintenance.
Scenic trail event on Mt Tamalpais with a half marathon and 10K over mixed road and single track, ocean and lagoon views, limited to 300 participants.
May 2027
A race day in El Sobrante with a half marathon, 10K, 5K and a hiker division through the hills of Wilcat Canyon; registration windows and fees vary by distance.
Trail races, a beer mile, a one mile beer stroll, and post-run beer tastings at Almaden Lake Park in San Jose on May 29, 2027.
June 2027
A 100 mile point to point ultramarathon through the East Bay starting at California Memorial Stadium, featuring 18,000 feet of climbing and a 33 hour finish limit.
Historic trail race from Mill Valley to Stinson Beach covering 7.4 miles each June, with staggered handicap starts and a field limited to about 1,500 runners.
August 2027
An annual August trail event at Lake Chabot Marina featuring a 50K loop through East Bay parks and a looped half marathon with strong volunteer aid and a plant based finish.
September 2027