Run by The Sea

OCT
4
2026
Scenic coastal races at Wilder Ranch State Park on October 4, 2026. Options include a Half Marathon, a 12K, and a 4K run and walk along mostly flat packed dirt trails.
Sun 4 Oct 2026
Half Marathon 12 kilometers

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Run by the Sea

Run by the Sea takes place on Sunday, October 4, 2026, at Wilder Ranch State Park in Santa Cruz, CA. The event includes multiple race distances held within the park.

  • Half Marathon
  • 12K run
  • 4K run/walk

The courses follow coastal bluffs and park trails along California's Central Coast and consist mostly of flat, packed dirt trails. Participants pass along bluffs and meadows and have coastal views of Monterey Bay; wildlife such as dolphins may be visible from the route.

The event is organized by the Santa Cruz Track Club and is in its 10th year. Proceeds benefit the track club's youth program, Bike Santa Cruz County, and Santa Cruz Mountain Trail Stewards.

Race information references a race headquarters, parking, and defined routes for each distance within Wilder Ranch State Park. Visit the organization's website for the most recent information.

Half Marathon
Run by the Sea Half Marathon
12 km
Run by the Sea 12k
Run by the Sea 4k