Upcoming Races Near Castro Valley, CA

Name: Route 2: Fremont Osgood, Milpitas Beresford Square/Stratford Preparatory Milpitas, Stratford Preparatory
Start: 2026-08-19
End: 2026-08-19
Location: San Jose

The Sasquatch Scramble 5K/10K/Half Marathon (li...

San Francisco, CA

Friday, May 8th, 2026

Featured

10K

Half

View details for race The Sasquatch Scramble 5K/10K/Half Marathon (live or virtual)

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The Sasquatch Scramble 5K/10K/Enigmatic 11 Mile...

San Francisco, CA

Friday, May 8th, 2026

10K

View details for race The Sasquatch Scramble 5K/10K/Enigmatic 11 Miler (LIVE or VIRTUAL)!

Grizzly Peak Trail Run

Berkeley, CA

Saturday, May 9th, 2026

10K

Half

Ultra

View details for race Grizzly Peak Trail Run

SMCYC Move 4 Mind 5K

San Mateo, CA

Saturday, May 9th, 2026

View details for race SMCYC Move 4 Mind 5K

Race to Cure Sarcoma San Francisco

San Francisco, CA

Saturday, May 9th, 2026

1 Mile

View details for race Race to Cure Sarcoma San Francisco

BRAIN Foundation Spectrum Run 5K/10K

San Jose, CA

Saturday, May 16th, 2026

10K

1 Mile

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

Foster5K + Kids Dash

San Jose, CA

Sunday, May 17th, 2026

View details for race Foster5K + Kids Dash

2026 Bay to Breakers powered by windsurf

San Francisco, CA

Sunday, May 17th, 2026

View details for race 2026 Bay to Breakers powered by windsurf

The Me Awesome Run

San Jose, CA

Sunday, May 17th, 2026

10K

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Full Potential 5K

Tracy, CA

Sunday, May 17th, 2026

View details for race Full Potential 5K

Pittsburg Cares 5K Fun Run/Walk

Pittsburg, CA

Saturday, May 23rd, 2026

View details for race Pittsburg Cares 5K Fun Run/Walk

China Camp Trail Run

San Rafael, CA

Saturday, May 23rd, 2026

Half

Trail

Fast

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Cinderella Trail Run

Oakland, CA

Saturday, May 30th, 2026

Half

Ultra

Marathon

Trail

View details for race Cinderella Trail Run

Healing Hearts: Walk/Run/MOVE! for Suicide Prev...

Oakland, CA

Saturday, May 30th, 2026

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

Beer City Half™ San Jose

San Jose, CA

Saturday, May 30th, 2026

Half

10K

View details for race Beer City Half™ San Jose

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

Spring Sprint @ Uvas

Morgan Hill, CA

Sunday, May 31st, 2026

1 Mile

View details for race Spring Sprint @ Uvas

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 Presented by Brooks

Brentwood, 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

The Big Run Presented by Brooks

Stockton, CA

Wednesday, June 3rd, 2026

View details for race The Big Run Presented by Brooks

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)

The Pena Passage

Vacaville, CA

Saturday, June 13th, 2026

Ultra

10K

View details for race The Pena Passage

SF Half Day

San Francisco, CA

Saturday, June 13th, 2026

View details for race SF Half Day

Four Fools Wine Run 5k

Rodeo, CA

Saturday, June 13th, 2026

View details for race Four Fools Wine Run 5k

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 (Cancelled for 2026)

Concord, CA

Sunday, June 21st, 2026

View details for race Father's Day Run for Rotary (Cancelled for 2026)

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

View details for race Morgan Hill Freedom 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

View details for race Liberty Bell 5k Fun Run

Beer City Half™ Alameda

Alameda, CA

Saturday, July 11th, 2026

Half

10K

View details for race Beer City Half™ Alameda

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

Lookin' for a Cure Palo Alto

Palo Alto, CA

Saturday, July 11th, 2026

View details for race Lookin' for a Cure Palo Alto

Jolly10K

Los Gatos, CA

Saturday, July 18th, 2026

10K

View details for race Jolly10K

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

Redwood (Summer) Trail Run

Oakland, CA

Saturday, August 15th, 2026

Half

Ultra

Marathon

View details for race Redwood (Summer) Trail Run

Beer City Half™ SLAM

Fremont, CA

Saturday, August 15th, 2026

Half

10K

View details for race Beer City Half™ SLAM

The SF Mile

San Francisco, CA

Sunday, August 16th, 2026

1 Mile

View details for race The SF Mile

Route 2: Fremont Osgood, Milpitas Beresford Squ...

San Jose, CA

Wednesday, August 19th, 2026

View details for race Route 2: Fremont Osgood, Milpitas Beresford Square/Stratford Preparatory Milpitas, Stratford Preparatory

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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