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ARISE 5K Annual Walk and Run
USATF-certified 5K along Santa Barbara's oceanfront
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Avalon Benefit 50 Mile/50K Run
50 miles across Catalina Island, reachable only by ferry
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Citrus Heritage Run
Runs past Riverside's citrus grove heritage
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Rio Bravo Rumble 5k/10k
A unique dirt course through Rio Bravo Ranch
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LASAA Mug Run - LASD Industry Station
LA Sheriff's mug-run series, running since 1993
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Castle to Coast Fun Run - 2026
From Hearst Castle grounds down to the Pacific coast
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Coffee Run
Post-race Starbucks in mugs at Fresno's Woodward Park
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MLK 5K Run/Walk
MLK 5K along San Diego's waterfront Embarcadero
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Rose Bowl Half Marathon & 5K
Loops the road around the historic Rose Bowl stadium
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Redding Marathon
Boston Qualifier along the Sacramento River Trail
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Carlsbad Marathon, Half Marathon & 5K
Flat, fast coastal course finishing near the Pacific
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The Wildcat Mile
One fast mile on Woodside High's track
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2026 Gumby 10K and 5K
Along the shores of Folsom Lake
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Radiant Futures 5K: SOLE Purpose
Through Fountain Valley Sports Park and Mile Square Park
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Pacifica Foothills Trail Run
Technical dirt trails up Mt. Montara above the coast
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La Cuesta Ranch Trail Run
Dirt trails past West Cuesta Ridge and Poly Canyon
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Golden Gate Trail Classic
Cross the Golden Gate Bridge into the wild Marin Headlands
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Pirate 5K Booty Run
Costumed pirates and a treasure chest prize on course
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Folsom Lake Sweetwater Trail Run
Singletrack along oak-studded Folsom Lake foothills
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Start Your Year at The Master's University Winter 5K
An entirely flat course through Santa Clarita
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Super Warrior 5K
Superhero-themed 5K at Yorba Regional Park
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HDR Kick Off 5000
High Desert Runners' season-opening 5K
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2026 Highland Y Run
43 years strong, San Bernardino County tradition
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Do It For Her 5K
Rolling vineyards through Temecula Wine Country
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The 22nd ANNUAL CALICO tRAIL RUN
Through the abandoned silver-mining streets of Calico
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PANTHER 5K
Down El Paseo, the desert's answer to Rodeo Drive
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Del Dios Trail Race
San Diego hill trail dubbed 'Race of the Gods'
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FRESNO 5,000M
12.5 laps of a 5,000-meter track race
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Trinidad to Clam Beach Run
Redwoods, a river crossing, then sand to the finish
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Rotary Mission Ten - Half Marathon, 10 Mile and 5K
Rural farmland and the scenic Anzar Hills
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Coyote Hills
Bay-view marathon course through Fremont's Coyote Hills
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Sean O'Brien Trail Runs
Santa Monica Mountains ultra series above Malibu
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Hollywood Sign Run
Trail run to the Hollywood Sign viewpoint
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Besties Run by Run Club Girls
Along Long Beach's coastal path, DJ at the finish
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TAMALE FUN RUN
A celebration of Fresno's tamale culture, three distances
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Foot Forward 5k / 1 Mile in Support of Soles4Souls
A student-run 5K collecting shoes for Soles4Souls
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Save any of these to your season in RunCalendar and hear the morning entries open. Free on iPhone, no account needed.
Every race here is published by its organiser; RunCalendar checks the date and the entry window against the organiser's own page and rebuilds this calendar every night. A confirmed date shows its day; a provisional one shows only its month. Last updated 22 October 2026.