7 running events in San Mateo County, California

From big races to Saturday morning group runs—find running events and connect with the local endurance sports community.

• Horseshoe Lake Trail Run [runsignup.com]
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  Sat, Apr 18, 2026 at 7:50 AM

  Description

  The course is within the Skyline Ridge, Long Ridge, and Russian Ridge Open Space Preserves. The majority of the course is along the Bay Area Ridge Trail with spectacular views of the Pacific Ocean and Santa Cruz Mountains.

  (Distances are accurately measured using a Rolatape® surveyor's measuring wheel.)

  2 Miles 5.1 Miles 13.1 Miles 30k 26.2 Miles 31.1 Miles Run Trail

  San Mateo County, California, 94020, United States
  OpenStreetMap Google Maps
• Run for Amma [runforamma.org] [Register at ultrasignup.com] - Facebook
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  Sat, May 16, 2026

  10k 30k 50k Run Ultra

  Skyline Ridge Open Space Preserve, San Mateo County, California, United States
  OpenStreetMap Google Maps
• Bay Area Running Camp [thebayarearunningcamp.com] [Register at raceroster.com]
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  Mon, Aug 03, 2026 at 8:30 AM

  Description

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  Bay Area Running Camp

  2026 Summer Trails / XC Session

  Next year begins here!

  The Bay Area Running Camp is BACK with a full week, FIVE day summer day camp session,

  Monday - Friday, August 3-7...

  Bay Area Running Camp

  2026 Summer Trails / XC Session

  Next year begins here!

  The Bay Area Running Camp is BACK with a full week, FIVE day summer day camp session,

  Monday - Friday, August 3-7 (8:30am-12pm).

  Kick start your fall competitive season with some running on beautiful Portola Valley trails, along with tips and skills to help prepare you for the 2026-27 competitive year, and the chance to hear from college and post-collegiate runners and coaches on their experiences.

  Our goal is to equip 6th-12th graders with information and inspiration to help you take ownership over your running journey. Space is limited, so sign up today. Financial assistance available. We hope to see you at camp in August!

  REGISTER NOW for EARLY BLACK FRIDAY PRICING THROUGH DECEMBER 2!

  Run

  Indian Crossing, San Mateo County, California, 94028, United States
  OpenStreetMap Google Maps
• SPASM Crystal Springs Trail Run [runsignup.com]
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  Sun, Aug 30, 2026 at 7:45 AM

  Description

  Experience the towering redwoods, lush ferns, and beautiful trails through Huddart Park, King's Mountain and Bear Gulch.

  (Distances are accurately measured using a Rolatape® surveyor's measuring wheel.)

  2 Miles 6.2 Miles 13.1 Miles 22 Miles 26.2 Miles 30.9 Miles Run Trail

  San Mateo County, California, 94062, United States
  OpenStreetMap Google Maps
• Crystal Springs Trail Run [runsignup.com]
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  Sun, Jan 17, 2027 at 7:50 AM

  Description

  Experience the towering redwoods, lush ferns, and beautiful trails through Huddart Park, King's Mountain and Bear Gulch.

  5 Miles 13.1 Miles 22 Miles 26.2 Miles 50k Run Trail

  San Mateo County, California, 94062, United States
  OpenStreetMap Google Maps

Local Clubs & Organizations