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Run by The Sea

Name: Run by The Sea
Start: 2025-10-05
End: 2025-10-05
Location: Santa Cruz

Santa Cruz, United States • 5 Oct 2025

Run by the Sea is an annual running event held at Wilder Ranch State Park in Santa Cruz, California. Scheduled for October 5, 2025, the race offers three distances: a 4K run/walk, a 12K run, and a half marathon. The courses primarily follow flat, packed dirt trails along the scenic coastal bluffs of California's Central Coast, providing participants with stunning views of Monterey Bay, coastal meadows, and potential dolphin sightings. Now in its 10th year, the event is organized by the Santa Cruz Track Club and supports local youth programs and trail stewardship organizations. The race combines natural beauty with a community-focused atmosphere. Visit the organization's website for the most recent information.

United States California Santa Cruz

Race information

Website Registration

21 km

Run by the Sea Half Marathon

12 km

Run by the Sea 12k

Run by the Sea 4k

Visit the organization's website for the most recent information.

Trail runs nearby

Saturday Nov 8

Rancho Hills Trail Run - Fall

Morgan Hill - 23 mi from Santa Cruz

...

Take on the rolling, scenic trails of Rancho Cañada del Oro in Morgan Hill with distances from 5K to 50K. Expect challenging hills, mixed singletrack and fire road, creek crossings and big views framed by old oaks for a true trail running a..

Thursday Nov 27

Zoom Turkey Trot

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Celebrate Thanksgiving at the Zoom Turkey Trot in San Jose at Hellyer Park with a USATF certified half, 10K, 5K and kids runs, plus t shirts and finisher medals. Flat, fast courses and stocked aid stations welcome all abilities.

Saturday Dec 6

Calero Trail Run - Winter

San Jose - 26 mi from Santa Cruz

...

Tackle scenic singletrack and dirt at Calero County Park in the Calero Trail Run Winter, with distances from a kids mile to a 50K. Expect rolling hills, oak vistas, aid stations, a finishers medal and race day registration.

Saturday Dec 13

Summit Rock Half Marathon

Saratoga - 20 mi from Santa Cruz

5 km

10 km

21 km

Run through redwood groves on winding single track trails in the Santa Cruz Mountains at Summit Rock, a scenic trail race just outside Silicon Valley. Half marathon, 10K and 5K distances welcome walkers and hikers with a separate hiker star..

Saturday Jan 3

Hacienda Hills Trail Run - Winter

Downtown San Jose - 26 mi from Santa Cruz

...

Enjoy Bay Area views and varied singletrack at Hacienda Hills Trail Run Winter near San Jose on Jan 3, 2026. Choose from nine distances up to 50K, enjoy marked courses, aid stations and a finisher medal.

Saturday Feb 7

Mt. Umunhum Trail Conquest - Winter

San Jose - 26 mi from Santa Cruz

...

Run scenic, rugged trails around Mt. Umunhum at Almaden Quicksilver Park with distances from a mile and kids run up to 50K. Clearly marked courses, aid stations and medals for all finishers make this winter trail event welcoming to all.