Upcoming 5K Races Near Castro Valley, CA

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Miles for Hope

Roseville, CA

Saturday, October 17th, 2026

Featured

10K

View details for race Miles for Hope

The Rock the Loch 5K/10K/Half Marathon (LIVE or...

Castro Valley, CA

Friday, June 26th, 2026

10K

Half

Trail

View details for race The Rock the Loch 5K/10K/Half Marathon (LIVE or Virtual)

Independence Day Dash 5k and Kids Run

Livermore, CA

Friday, July 3rd, 2026

Fast

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HRC Rotary 4th of July 5K Family Fun Run

Rodeo, CA

Saturday, July 4th, 2026

Trail

View details for race HRC Rotary 4th of July 5K Family Fun Run

Alameda July 4th Parade R.A.C.E.

Alameda, CA

Saturday, July 4th, 2026

Fast

View details for race Alameda July 4th Parade R.A.C.E.

Liberty Bell 5k fun run

Brentwood, CA

Saturday, July 4th, 2026

1 Mile

Trail

View details for race Liberty Bell 5k fun run

Liberty Bell 5k Fun Run

Brentwood, CA

Saturday, July 4th, 2026

Trail

View details for race Liberty Bell 5k Fun Run

Stars and Stripes

Concord, CA

Saturday, July 4th, 2026

View details for race Stars and Stripes

Morgan Hill Freedom Run

Morgan Hill, CA

Saturday, July 4th, 2026

1 Mile

View details for race Morgan Hill Freedom Run

Montevideo HOA 4th of July 5K

San Jose, CA

Saturday, July 4th, 2026

View details for race Montevideo HOA 4th of July 5K

FYMO's 7th "Giving to Live" 5K Cancer Run/Walk

San Jose, CA

Saturday, July 11th, 2026

View details for race FYMO's 7th "Giving to Live" 5K Cancer Run/Walk

Beer City Half™ Alameda

Alameda, CA

Saturday, July 11th, 2026

Half

10K

View details for race Beer City Half™ Alameda

Lookin' for a Cure Palo Alto

Palo Alto, CA

Saturday, July 11th, 2026

View details for race Lookin' for a Cure Palo Alto

Track Night SF Presented by Tracksmith

San Francisco, CA

Wednesday, July 15th, 2026

1 Mile

View details for race Track Night SF Presented by Tracksmith

2026 Napa to Sonoma Wine Country Half Marathon ...

Napa, CA

Saturday, July 25th, 2026

Half

View details for race 2026 Napa to Sonoma Wine Country Half Marathon & Rosé 5K

Summer Breeze

San Leandro, CA

Saturday, August 1st, 2026

10K

Half

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Golden Gate Double 8K, Golden Gate 10K, Golden ...

San Francisco, CA

Sunday, August 2nd, 2026

10K

Trail

View details for race Golden Gate Double 8K, Golden Gate 10K, Golden Gate 5K

Bear Creek

Orinda, CA

Saturday, August 8th, 2026

Ultra

Half

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Falcon 5K

Pleasant Hill, CA

Saturday, August 8th, 2026

View details for race Falcon 5K

Cupertino Splash and Dash #2

Cupertino, CA

Thursday, August 13th, 2026

1 Mile

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Beer City Half™ SLAM

Fremont, CA

Saturday, August 15th, 2026

Half

10K

View details for race Beer City Half™ SLAM

Steps4SMILEs 5k/10k Charity Race

Sunnyvale, CA

Saturday, August 22nd, 2026

10K

View details for race Steps4SMILEs 5k/10k Charity Race

I Run They Learn

Dublin, CA

Saturday, August 29th, 2026

View details for race I Run They Learn

Walk for Paws

Pleasant Hill, CA

Sunday, August 30th, 2026

View details for race Walk for Paws

Taco The Town 5K & 10K

Stockton, CA

Saturday, September 5th, 2026

10K

View details for race Taco The Town 5K & 10K

NIGHT NATION RUN - SAN JOSE

San Jose, CA

Saturday, September 5th, 2026

View details for race NIGHT NATION RUN - SAN JOSE

Vibha Bay Area Dream Mile 2026

Sunnyvale, CA

Sunday, September 6th, 2026

Half

10K

View details for race Vibha Bay Area Dream Mile 2026

The Honey Badger Half (& 10K/5K)

Santa Venetia, CA

Friday, September 11th, 2026

10K

Half

Trail

View details for race The Honey Badger Half (& 10K/5K)

Beer City Half™ Bishop Ranch

San Ramon, CA

Saturday, September 12th, 2026

Half

10K

View details for race Beer City Half™ Bishop Ranch

LSA's Run Home 2026

Los Gatos, CA

Saturday, September 12th, 2026

10K

View details for race LSA's Run Home 2026

The Third Annual Miles for Mamas Walk/Run-Merch...

Virtual, CA

Sunday, September 13th, 2026

View details for race The Third Annual Miles for Mamas Walk/Run-Merchantville, NJ

Fast Track To A Cure 5K Bay Area

Richmond, CA

Saturday, September 19th, 2026

View details for race Fast Track To A Cure 5K Bay Area

Half Moon Bay Beach Safety Run

Half Moon Bay, CA

Saturday, September 19th, 2026

10K

Trail

View details for race Half Moon Bay Beach Safety Run

Rocky Ridge

San Ramon, CA

Saturday, September 19th, 2026

10K

Half

Trail

View details for race Rocky Ridge

18th Annual Sevathon 2026 - 5K, 10K, Tiny Trots...

Sunnyvale, CA

Sunday, September 20th, 2026

10K

View details for race 18th Annual Sevathon 2026 - 5K, 10K, Tiny Trots, 1K, Virtual Runs & Yoga

Alameda Island Running Festival

Alameda, CA

Sunday, September 20th, 2026

Half

10K

View details for race Alameda Island Running Festival

10th Annual SJVRC ONE MILE FOR ONE CHILD Charit...

San Jose, CA

Sunday, September 20th, 2026

1 Mile

10K

View details for race 10th Annual SJVRC ONE MILE FOR ONE CHILD Charity Run 2026

Palo Alto Weekly Moonlight Run & Walk

Palo Alto, CA

Friday, September 25th, 2026

10K

View details for race Palo Alto Weekly Moonlight Run & Walk

24th Annual MRC-MEF Run for Education

Martinez, CA

Sunday, September 27th, 2026

View details for race 24th Annual MRC-MEF Run for Education

10K On The Bay

Hayward, CA

Sunday, September 27th, 2026

1 Mile

10K

View details for race 10K On The Bay

AFNA Walk & Run - SF Bay Area

San Jose, CA

Sunday, October 4th, 2026

10K

Trail

View details for race AFNA Walk & Run - SF Bay Area

East Bay Front Runners Pride Run and Walk

Oakland, CA

Saturday, October 10th, 2026

10K

View details for race East Bay Front Runners Pride Run and Walk

Lafayette Res Run for Education

Lafayette, CA

Saturday, October 10th, 2026

10K

Trail

View details for race Lafayette Res Run for Education

The Donut Fun Run 2026!

Alameda, CA

Saturday, October 17th, 2026

View details for race The Donut Fun Run 2026!

Reentry Resource Center’s Rise Up and Run 5K

San Jose, CA

Saturday, October 17th, 2026

View details for race Reentry Resource Center’s Rise Up and Run 5K

Fun Run San Mateo Rotary

San Mateo, CA

Sunday, October 18th, 2026

Code:FTR10

10K

Fast

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Diplo's Run Club San Francisco

San Francisco, CA

Sunday, October 18th, 2026

Code:FTR10

View details for race Diplo's Run Club San Francisco

Miles for Migraine San Francisco

San Francisco, CA

Saturday, October 24th, 2026

View details for race Miles for Migraine San Francisco

USS Hornet Halloween 5k

Alameda, CA

Friday, October 30th, 2026

Fast

View details for race USS Hornet Halloween 5k

Gardner Health Services 2026 Día de los Muertos...

San Jose, CA

Saturday, October 31st, 2026

View details for race Gardner Health Services 2026 Día de los Muertos Run-Walk

ZombieRunner Halloween

San Jose, CA

Saturday, October 31st, 2026

10K

Half

Trail

View details for race ZombieRunner Halloween

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