54 Upcoming Races Near Portola Valley, CA - Matching: Trail Races

San Lorenzo River Trail Run

Santa Cruz, CA

Saturday, July 11th, 2026

Half

Ultra

Marathon

Trail

View details for race San Lorenzo River Trail Run

Muir Woods Mt. Challenge

Stinson Beach, CA

Saturday, July 18th, 2026

Half

10K

Trail

View details for race Muir Woods Mt. Challenge

Bad Bass 2026

Castro Valley, CA

Saturday, July 18th, 2026

Half

10K

Trail

View details for race Bad Bass 2026

Dirty Dozen Endurance Run 2026

Richmond, CA

Saturday, July 25th, 2026

Trail

View details for race Dirty Dozen Endurance Run 2026

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Summer Breeze

San Leandro, CA

Saturday, August 1st, 2026

10K

Half

Trail

View details for race Summer Breeze

Summer Breeze 2026

San Leandro, CA

Saturday, August 1st, 2026

Half

10K

Trail

View details for race Summer Breeze 2026

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

Bay Area Running Camp

Portola Valley, CA

Monday, August 3rd, 2026

Trail

View details for race Bay Area Running Camp

Bear Creek 2026

Lafayette, CA

Saturday, August 8th, 2026

Half

10K

Trail

Fast

View details for race Bear Creek 2026

Redwood (Summer) Trail Run

Oakland, CA

Saturday, August 15th, 2026

Half

Ultra

Marathon

Trail

View details for race Redwood (Summer) Trail Run

Lands' End 5K

San Francisco, CA

Sunday, August 16th, 2026

Trail

View details for race Lands' End 5K

Santa Cruz Trail Run

Felton, CA

Saturday, August 22nd, 2026

Half

10K

Trail

View details for race Santa Cruz Trail Run

Double Dipsea

Stinson Beach, CA

Saturday, August 22nd, 2026

Trail

Fast

View details for race Double Dipsea

Race2Unravel

Gilroy, CA

Saturday, August 22nd, 2026

10K

Trail

View details for race Race2Unravel

2026 Angel Island Half Marathon & 10K

Tiburon, CA

Saturday, August 29th, 2026

Half

10K

Trail

View details for race 2026 Angel Island Half Marathon & 10K

Diablo Trail Run

Clayton, CA

Sunday, September 6th, 2026

10 Miles

Half

Marathon

Trail

Fast

View details for race Diablo Trail Run

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)

Rocky Ridge 2026

San Ramon, CA

Saturday, September 19th, 2026

Half

10K

Trail

Fast

View details for race Rocky Ridge 2026

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

SGRAIL Marin - Triathlon & Trail Half Marathon

San Rafael, CA

Friday, October 2nd, 2026

Ultra

Half

1 Mile

Trail

View details for race SGRAIL Marin - Triathlon & Trail Half Marathon

Run by the Sea

Santa Cruz, CA

Sunday, October 4th, 2026

12K

Trail

View details for race Run by the Sea

BAY FRONT RUN

Hercules, CA

Sunday, October 4th, 2026

Trail

View details for race BAY FRONT RUN

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

Lafayette Res Run for Education

Lafayette, CA

Saturday, October 10th, 2026

10K

Trail

View details for race Lafayette Res Run for Education

Diablo Summit Stomp 2026

Walnut Creek, CA

Saturday, October 17th, 2026

Half

10K

Trail

View details for race Diablo Summit Stomp 2026

48th Annual Pumpkin Run by Senior Coastsiders O...

Half Moon Bay, CA

Sunday, October 18th, 2026

Trail

View details for race 48th Annual Pumpkin Run by Senior Coastsiders October 18, 2026

OTC Splash and Dash

Oakland, CA

Sunday, October 25th, 2026

Trail

Fast

View details for race OTC Splash and Dash

Gardner Health Services 2026 Día de los Muertos...

San Jose, CA

Saturday, October 31st, 2026

Trail

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

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

Oakland, CA

Sunday, November 1st, 2026

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

Mermaid Trail Run - 2026

Woodside, CA

Saturday, November 7th, 2026

Trail

View details for race Mermaid Trail Run - 2026

ZombieRunner Quarry Lakes

Fremont, CA

Saturday, November 14th, 2026

10K

Half

Trail

Fast

View details for race ZombieRunner Quarry Lakes

Tim & Jeannie Hamann Foundation Benicia Hand Up...

Benicia, CA

Thursday, November 26th, 2026

Trail

View details for race Tim & Jeannie Hamann Foundation Benicia Hand Up Turkey Trot

Zoom Turkey Trot

San Jose, CA

Thursday, November 26th, 2026

10K

Half

Trail

View details for race Zoom Turkey Trot

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

San Francisco, CA

Friday, December 4th, 2026

10K

Trail

Fast

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

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

Alameda, CA

Saturday, December 5th, 2026

10K

Trail

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

Summit Rock 2026

Saratoga, CA

Saturday, December 12th, 2026

Half

10K

Trail

View details for race Summit Rock 2026

2026 Hark the Herald Half Marathon & 10K

Tiburon, CA

Saturday, December 12th, 2026

Half

10K

Trail

View details for race 2026 Hark the Herald Half Marathon & 10K

Brazen New Year's Eve 2026

Castro Valley, CA

Thursday, December 31st, 2026

Half

10K

Trail

View details for race Brazen New Year's Eve 2026

Brazen New Year's Day 2027

Castro Valley, CA

Friday, January 1st, 2027

Half

10K

Trail

View details for race Brazen New Year's Day 2027

Crystal Springs Trail Run

Woodside, CA

Sunday, January 17th, 2027

Half

Marathon

Ultra

Trail

View details for race Crystal Springs Trail Run

Golden Gate Trail Run

Sausalito, CA

Saturday, February 6th, 2027

Half

Ultra

Marathon

Trail

View details for race Golden Gate Trail Run

Bay Breeze 2027

San Leandro, CA

Saturday, February 13th, 2027

Half

10K

Trail

View details for race Bay Breeze 2027

Victory 2027

Richmond, CA

Saturday, February 20th, 2027

Half

10K

Trail

Fast

View details for race Victory 2027

Zoom San Francisco

San Francisco, CA

Saturday, March 13th, 2027

10K

Half

Trail

View details for race Zoom San Francisco

Redwood (Spring) Trail Run

Oakland, CA

Saturday, March 20th, 2027

Half

Marathon

Ultra

Trail

View details for race Redwood (Spring) Trail Run

Western Pacific 2027

Fremont, CA

Saturday, March 27th, 2027

Half

10K

Trail

View details for race Western Pacific 2027

Diablo Trails Challenge 2027

Walnut Creek, CA

Saturday, April 3rd, 2027

Half

10K

Trail

View details for race Diablo Trails Challenge 2027

Horseshoe Lake Trail Run

Los Gatos, CA

Saturday, April 17th, 2027

1 Mile

Half

Ultra

Trail

View details for race Horseshoe Lake Trail Run

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