5 Upcoming Marathon Races Near Seaside, CA

San Lorenzo River Trail Run

Santa Cruz, CA

Saturday, July 11th, 2026

Half

Ultra

Marathon

Trail

View details for race San Lorenzo River Trail Run

2026 Big Sur Trail Marathon, Half Marathon &amp...

Big Sur, CA

Saturday, September 26th, 2026

Half

Marathon

Trail

View details for race 2026 Big Sur Trail Marathon, Half Marathon & 5 Mile

ZombieRunner Halloween

San Jose, CA

Saturday, October 31st, 2026

10K

Half

Trail

View details for race ZombieRunner Halloween

Horseshoe Lake Trail Run

Los Gatos, CA

Saturday, April 17th, 2027

1 Mile

Half

Ultra

Trail

View details for race Horseshoe Lake Trail Run

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2027 Big Sur International Marathon

Big Sur, CA

Sunday, April 25th, 2027

Marathon

View details for race 2027 Big Sur International Marathon

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