Running races in or near San Marcos, CA
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local San Marcos, 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.
Running-5K - Fun Run/Walk
Organization: Tierrasanta Foundation
Date of Race: 10-25-2025
Description: The Tierrasanta Monster Dash 5K and 5K fun run walk is ...
View Race Details View on Map
Running - Marathon -Team of 2 (Military) - ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running - Marathon -Team of 5 (Military) - ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running-5K - Individual Age group/open
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running - Marathon -Team of 2 (Military Veterans) ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running - Marathon -Team of 5 (Military Veterans) ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running - Half-Marathon -Team of 2 (Military) - ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running-8K - Individual Age group/open
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running - Half-Marathon - Team of 5 (Military) ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running - Half-Marathon -Team of 5 (Military Veterans) ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running - Half-Marathon -Team of 2 (Military Veterans) ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running-SOLO Half marathon (Individual 5 Laps of Relay ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running-SOLO Marathon (Individual 10 Laps of Relay Course) ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running - Half Marathon -Team of 2 (Female) ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running - Half Marathon -Team of 2 (Coed) ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running - Marathon -Team of 2 (Male) - ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running - Marathon -Team of 2 (Female) - ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running - Marathon Relay - Team of 5 ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running - Marathon Relay - Team of 5 ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running - Half Marathon -Team of 2 (Male) ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running - Marathon Relay - Team of 5 ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running - Marathon Relay - Team of 5 ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running - Marathon Relay - Team of 5 ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running - Marathon -Team of 2 (Coed) - ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Running - Marathon Relay - Team of 5 ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
View Race Details View on Map
Complete list of running events in and near San Marcos, CA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about San Marcos
About San Marcos
San Marcos (CA) is a city in San Diego County with an estimated population of 83,781.[4]
Races Local Newsletter
Subscribe to get the latest on racing delivered to your inbox, once per week.
Did you know?
There were at least 768 marathons scheduled in the United States and Canada in 2016.
