Upcoming 5K Races in Marin County, CA 2026-2027

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

Oakland, CA

Saturday, May 30th, 2026

Featured

5K

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

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

San Mateo, CA

Saturday, May 30th, 2026

5K

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

5K

Fast

View details for race Albany Move'n'Groove 2026

Mclaren Park Roller Coaster 5k

San Francisco, CA

Sunday, May 31st, 2026

5K

View details for race Mclaren Park Roller Coaster 5k

The Big Run Presented by Brooks and Fleet Feet ...

Santa Rosa, CA

Wednesday, June 3rd, 2026

5K

View details for race The Big Run Presented by Brooks and Fleet Feet Santa Rosa

The Big Run

Vacaville, CA

Wednesday, June 3rd, 2026

5K

View details for race The Big Run

NAHC - Running Is My High 2026

Oakland, CA

Saturday, June 6th, 2026

5K

10K

View details for race NAHC - Running Is My High 2026

2026 Lake Chabot Trail Challenge (Half Marathon...

Castro Valley, CA

Sunday, June 7th, 2026

Half

5K

Trail

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

Four Fools Wine Run 5k

Rodeo, CA

Saturday, June 13th, 2026

5K

View details for race Four Fools Wine Run 5k

The Pena Passage

Vacaville, CA

Saturday, June 13th, 2026

Ultra

10K

5K

View details for race The Pena Passage

Spreckles Lake 5K/SF Lightning Mile

San Francisco, CA

Sunday, June 14th, 2026

1 Mile

5K

Fast

View details for race Spreckles Lake 5K/SF Lightning Mile

Walnut Creek Run Club

Walnut Creek, CA

Monday, June 15th, 2026

5K

1 Mile

View details for race Walnut Creek Run Club

The City Eats & Stack Run Club - Hayward 5K

Hayward, CA

Saturday, June 20th, 2026

5K

1 Mile

View details for race The City Eats & Stack Run Club - Hayward 5K

Father's Day Run for Rotary (Cancelled for 2026)

Concord, CA

Sunday, June 21st, 2026

5K

Trail

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

5K

10K

Half

Trail

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

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

Alameda, CA

Saturday, July 4th, 2026

5K

Fast

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

HRC Rotary 4th of July 5K Family Fun Run

Rodeo, CA

Saturday, July 4th, 2026

5K

Trail

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

Beer City Half™ Alameda

Alameda, CA

Saturday, July 11th, 2026

Half

10K

5K

View details for race Beer City Half™ Alameda

Track Night SF Presented by Tracksmith

San Francisco, CA

Wednesday, July 15th, 2026

1 Mile

5K

View details for race Track Night SF Presented by Tracksmith

2026 Napa to Sonoma Wine Country Half Marathon ...

Napa, CA

Saturday, July 25th, 2026

5K

Half

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

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

San Francisco, CA

Sunday, August 2nd, 2026

5K

10K

Trail

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

Falcon 5K

Pleasant Hill, CA

Saturday, August 8th, 2026

5K

View details for race Falcon 5K

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

Santa Venetia, CA

Friday, September 11th, 2026

5K

10K

Half

Trail

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

Running Fence Run - Celebrating Christo & Jeann...

Bloomfield, CA

Saturday, September 12th, 2026

Marathon

10K

5K

View details for race Running Fence Run - Celebrating Christo & Jeanne-Claude's "Running Fence" - a 24.5-mile fabric fence in Sonoma & Marin Counties installed in September 1976

Beer City Half™ Bishop Ranch

San Ramon, CA

Saturday, September 12th, 2026

Half

10K

5K

View details for race Beer City Half™ Bishop Ranch

Fast Track To A Cure 5K Bay Area

Richmond, CA

Saturday, September 19th, 2026

5K

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

5K

10K

Trail

View details for race Half Moon Bay Beach Safety Run

Alameda Island Running Festival

Alameda, CA

Sunday, September 20th, 2026

Half

10K

5K

View details for race Alameda Island Running Festival

10K On The Bay

Hayward, CA

Sunday, September 27th, 2026

1 Mile

5K

10K

View details for race 10K On The Bay

Lafayette Res Run for Education

Lafayette, CA

Saturday, October 10th, 2026

5K

10K

Trail

View details for race Lafayette Res Run for Education

The Donut Fun Run 2026!

Alameda, CA

Saturday, October 17th, 2026

5K

View details for race The Donut Fun Run 2026!

Fun Run San Mateo Rotary

San Mateo, CA

Sunday, October 18th, 2026

Code:FTR10

5K

10K

Fast

View details for race Fun Run San Mateo Rotary

Miles for Migraine San Francisco

San Francisco, CA

Saturday, October 24th, 2026

5K

View details for race Miles for Migraine San Francisco

USS Hornet Halloween 5k

Alameda, CA

Friday, October 30th, 2026

5K

Fast

View details for race USS Hornet Halloween 5k

Oakland Tech 5km/1 mile Race/Run/Walk Fundraiser

Oakland, CA

Sunday, November 1st, 2026

5K

Trail

View details for race Oakland Tech 5km/1 mile Race/Run/Walk Fundraiser

Lake Chabot Trail Run

Castro Valley, CA

Saturday, November 7th, 2026

Half

Ultra

Marathon

Trail

View details for race Lake Chabot Trail Run

Concord California Turkey Trot 5K

Concord, CA

Thursday, November 26th, 2026

5K

View details for race Concord California Turkey Trot 5K

Oakland Turkey Trot

Oakland, CA

Thursday, November 26th, 2026

5K

View details for race Oakland Turkey Trot

Bishop Ranch Turkey Trot

San Ramon, CA

Thursday, November 26th, 2026

5K

View details for race Bishop Ranch Turkey Trot

Santa Rosa Turkey Trot

Santa Rosa, CA

Thursday, November 26th, 2026

5K

View details for race Santa Rosa Turkey Trot

The Krampus Cross Country 5K, 10K, or Naughty N...

San Francisco, CA

Friday, December 4th, 2026

5K

10K

Trail

Fast

View details for race The Krampus Cross Country 5K, 10K, or Naughty Nine Miler (LIVE or VIRTUAL)!

16th Annual Reindeer Run/Walk

American Canyon, CA

Saturday, December 5th, 2026

5K

10K

View details for race 16th Annual Reindeer Run/Walk

Midway Shelter Winter Run / Walk ~ 5k, 10k and ...

Alameda, CA

Saturday, December 5th, 2026

5K

10K

Trail

View details for race Midway Shelter Winter Run / Walk ~ 5k, 10k and Kids Run

Beer City Half™ Santa Rosa

Santa Rosa, CA

Saturday, February 20th, 2027

Half

10K

5K

View details for race Beer City Half™ Santa Rosa

Artesa Wine Run 5k

Napa, CA

Sunday, March 7th, 2027

5K

View details for race Artesa Wine Run 5k

No Foolin' Foot Race

San Carlos, CA

Saturday, April 24th, 2027

15K

10K

5K

Trail

View details for race No Foolin' Foot Race

Upcoming 5K Races Near Marin County, CA