Running Races in Los Altos, CA

Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more

See below for a frequently-updated, comprehensive list of upcoming running events in the local Los Altos, CA area. Races listed here include both walking and running events of various distances — from 1-milers, to 5Ks, to marathons, and everything else in between.

Muddy Dash - Exclusive VIP Registration - R̶e̶g̶u̶l̶a̶r̶ ...

Organization: Viral Run

Date of Race: 11-22-2025

Description: Muddy Dash is not your average mud run! Get ready for ...

Track & Field Camp- Skyhawks Sports

Organization: City of San Jose Parks, Recreation and Neighborhood Services Department

Date of Race: 07-14-2025

Description: DescriptionThe fundamentals of body ...

Track & Field Camp - Skyhawks Sports

Organization: City of San Jose Parks, Recreation and Neighborhood Services Department

Date of Race: 06-16-2025

Description: DescriptionThe fundamentals of body ...

Muddy Dash - VALUE REGISTRATION - R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ ...

Organization: Viral Run

Date of Race: 11-22-2025

Description: Muddy Dash is not your average mud run! Get ready for ...

Muddy Dash | Bay Area

Organization: Viral Run

Date of Race: 11-22-2025

Description: Muddy Dash is not your average mud run! Get ready for ...

5K Glenwood Trail Walk/Run Registration

Organization: CITY OF SCOTTS VALLEY RECREATION DIVISION

Date of Race: 10-11-2025

Description: Description GLENWOOD 5K Trail Run/Walk

Family Fun Day (Vendor Application)

Organization: CITY OF SCOTTS VALLEY RECREATION DIVISION

Date of Race: 07-19-2025

Description: DescriptionScotts Valley Recreation is excited to be hosting a county ...

Color Walk & Resource Fair

Organization: City of San Jose Parks, Recreation and Neighborhood Services Department

Date of Race: 06-27-2025

Description: DescriptionWe invite you to join us at Lake Cunningham Park for ...

5K Walk/Run Sponsorships

Organization: CITY OF SCOTTS VALLEY RECREATION DIVISION

Date of Race: 10-11-2025

Description: Description

World Class Racewalking Clinic - Los Gatos, CA

Organization: World Class Racewalking

Date of Race: 07-26-2025

Description: Contact: Georgiana Boeweratgboewer@gmail.com 831 214-0484 Fee: $225 ...

Lemonade Day

Organization: Belmont Parks and Recreation

Date of Race: 07-12-2025

Description: DescriptionLemonade Day is a fun, experiential program that teaches youth how ...

Cross Country 6th grade

Organization: Hillsborough Recreation

Date of Race: 09-16-2025

Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...

Route 3: Washington Park, De Anza Park, Stratford ...

Organization: Stratford Schools

Date of Race: 08-20-2025

Description: Stratford Preparatory Blackford is dedicated to providing transportation services tailored to ...

Route 1: San Jose Elementary School, San Jose ...

Organization: Stratford Schools

Date of Race: 08-20-2025

Description: Stratford Preparatory Blackford is dedicated to providing transportation services tailored to ...

Route 2: Fremont Osgood, Milpitas Great Mall, Stratford ...

Organization: Stratford Schools

Date of Race: 08-20-2025

Description: Stratford Preparatory Blackford is dedicated to providing transportation services tailored to ...

Sports Registration Fee

Organization: Las Lomitas League

Date of Race: 09-22-2025

Description: Stratford Preparatory Blackford is dedicated to providing transportation services tailored to ...

Sports Registration Fee

Organization: Las Lomitas League

Date of Race: 09-08-2025

Description: Stratford Preparatory Blackford is dedicated to providing transportation services tailored to ...