Upcoming 5K Races Near Castro Valley, CA

Name: The Donut Fun Run 2026!
Start: 2026-10-17
End: 2026-10-17
Location: Alameda

BRAIN Foundation Spectrum Run 5K/10K

San Jose, CA

Saturday, May 16th, 2026

Featured

10K

1 Mile

View details for race BRAIN Foundation Spectrum Run 5K/10K

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Full Potential 5K

Tracy, CA

Sunday, May 17th, 2026

View details for race Full Potential 5K

The Me Awesome Run

San Jose, CA

Sunday, May 17th, 2026

10K

View details for race The Me Awesome Run

Foster5K + Kids Dash

San Jose, CA

Sunday, May 17th, 2026

View details for race Foster5K + Kids Dash

China Camp Trail Run

San Rafael, CA

Saturday, May 23rd, 2026

Half

Trail

Fast

View details for race China Camp Trail Run

Beer City Half™ San Jose

San Jose, CA

Saturday, May 30th, 2026

Half

10K

View details for race Beer City Half™ San Jose

Healing Hearts Day 2026: Walk/Run/MOVE! for Sui...

Oakland, CA

Saturday, May 30th, 2026

View details for race Healing Hearts Day 2026: Walk/Run/MOVE! for Suicide Prevention

San Mateo PAL's 5K & 10K Run/Walk and Wellness ...

San Mateo, CA

Saturday, May 30th, 2026

10K

View details for race San Mateo PAL's 5K & 10K Run/Walk and Wellness Fair - 2026

Albany Move'n'Groove 2026

Albany, CA

Sunday, May 31st, 2026

View details for race Albany Move'n'Groove 2026

The Big Run Presented by Brooks

Brentwood, CA

Wednesday, June 3rd, 2026

View details for race The Big Run Presented by Brooks

The Big Run Presented by Brooks

Stockton, CA

Wednesday, June 3rd, 2026

View details for race The Big Run Presented by Brooks

The Big Run Presented by Brooks

Pleasanton, CA

Wednesday, June 3rd, 2026

View details for race The Big Run Presented by Brooks

The Big Run

Vacaville, CA

Wednesday, June 3rd, 2026

View details for race The Big Run

Cupertino Splash and Dash #1

Cupertino, CA

Thursday, June 4th, 2026

1 Mile

View details for race Cupertino Splash and Dash #1

NAHC - Running Is My High 2026

Oakland, CA

Saturday, June 6th, 2026

10K

View details for race NAHC - Running Is My High 2026

Skedaddle Bubble Run (1K, 5K, & 10-Miler)

Stockton, CA

Sunday, June 7th, 2026

10 Miles

View details for race Skedaddle Bubble Run (1K, 5K, & 10-Miler)

2026 Lake Chabot Trail Challenge (Half Marathon...

Castro Valley, CA

Sunday, June 7th, 2026

Half

Trail

View details for race 2026 Lake Chabot Trail Challenge (Half Marathon & 5K)

Four Fools Wine Run 5k

Rodeo, CA

Saturday, June 13th, 2026

View details for race Four Fools Wine Run 5k

The Pena Passage

Vacaville, CA

Saturday, June 13th, 2026

Ultra

10K

View details for race The Pena Passage

Walnut Creek Run Club

Walnut Creek, CA

Monday, June 15th, 2026

View details for race Walnut Creek Run Club

Miles for Mayo 5K

Brentwood, CA

Saturday, June 20th, 2026

View details for race Miles for Mayo 5K

Silicon Valley PRIDE 3rd Annual 5K & 10K

San Jose, CA

Saturday, June 20th, 2026

10K

View details for race Silicon Valley PRIDE 3rd Annual 5K & 10K

Father's Day Run for Rotary

Concord, CA

Sunday, June 21st, 2026

Trail

View details for race Father's Day Run for Rotary

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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Morgan Hill Freedom Run

Morgan Hill, CA

Saturday, July 4th, 2026

1 Mile

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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

Liberty Bell 5k Fun Run

Brentwood, CA

Saturday, July 4th, 2026

View details for race Liberty Bell 5k Fun Run

Liberty Bell 5k fun run

Brentwood, CA

Saturday, July 4th, 2026

1 Mile

Trail

View details for race Liberty Bell 5k 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.

Lookin' for a Cure Palo Alto

Palo Alto, CA

Saturday, July 11th, 2026

View details for race Lookin' for a Cure Palo Alto

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

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

San Francisco, CA

Sunday, August 2nd, 2026

10K

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

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

View details for race Cupertino Splash and Dash #2

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

NIGHT NATION RUN - SAN JOSE

San Jose, CA

Saturday, September 5th, 2026

View details for race NIGHT NATION RUN - SAN JOSE

Taco The Town 5K & 10K

Stockton, CA

Saturday, September 5th, 2026

10K

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

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)

LSA's Run Home 2026

Los Gatos, CA

Saturday, September 12th, 2026

10K

View details for race LSA's Run Home 2026

Beer City Half™ Bishop Ranch

San Ramon, CA

Saturday, September 12th, 2026

Half

10K

View details for race Beer City Half™ Bishop Ranch

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

Alameda Island Running Festival

Alameda, CA

Sunday, September 20th, 2026

Half

10K

View details for race Alameda Island Running Festival

18th Annual Sevathon 2026 | 5K Walk/Run, 10K Wa...

Sunnyvale, CA

Sunday, September 20th, 2026

10K

View details for race 18th Annual Sevathon 2026 | 5K Walk/Run, 10K Walk/Run, Tiny Trots 1K, & Virtual Runs

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

10K On The Bay

Hayward, CA

Sunday, September 27th, 2026

1 Mile

10K

View details for race 10K On The Bay

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!

Explore more in Castro Valley, CA

Distances:

5K 10K Half Marathon Marathon

Months:

May June July

Tags:

Trail Boston Qualifiers Fast Courses

State:

All California races

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