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 - Marathon -Team of 5 (Military) - ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
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Running - Marathon -Team of 2 (Military) - ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
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Running - Marathon -Team of 2 (Military Veterans) ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
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Muddy Dash - Value Registration
Organization: Viral Run
Date of Race: 04-19-2025
Description: Muddy Dash is not your average mud run! Get ready for ...
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Muddy Dash - VIP Registration 💎
Organization: Viral Run
Date of Race: 04-19-2025
Description: Muddy Dash is not your average mud run! Get ready for ...
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Running-5K - Individual Age group/open
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
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Standard Ticket - May 10, 2025 - Standard ...
Organization: Muddy Princess Corporation
Date of Race: 05-10-2025
Description: Muddy Princessis a 5k obstacle mud run for women ONLY! Our ...
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VIP Ticket - Standard Ticket - May 10, ...
Organization: Muddy Princess Corporation
Date of Race: 05-10-2025
Description: Muddy Princessis a 5k obstacle mud run for women ONLY! Our ...
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Muddy Dash - Standard Registration
Organization: Viral Run
Date of Race: 04-19-2025
Description: Muddy Dash is not your average mud run! Get ready for ...
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Muddy Dash | San Diego | April 19th
Organization: Viral Run
Date of Race: 04-19-2025
Description: Muddy Dash is not your average mud run! Get ready for ...
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Muddy Princess - Temecula, CA
Organization: Muddy Princess Corporation
Date of Race: 05-10-2025
Description: Muddy Princessis a 5k obstacle mud run for women ONLY! Our ...
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Running - Marathon Relay - Team of 5 ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
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Running - Marathon Relay - Team of 5 ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
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Running - Half Marathon -Team of 2 (Female) ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
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Running - Marathon -Team of 2 (Female) - ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
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Running-8K - Individual Age group/open
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
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Running - Half-Marathon -Team of 5 (Recreational) - ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
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Running - Marathon Relay - Team of 5 ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
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Running - Marathon -Team of 5 (Military Veterans) ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
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Running - Marathon -Team of 2 (Male) - ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
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Running - Half Marathon -Team of 2 (Male) ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
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Running - Marathon Relay - Team of 5 ...
Organization: Challenger Production and Ramm Sports LLC
Date of Race: 10-26-2025
Description:
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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 5 (Military Veterans) ...
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]
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Did you know?
There were at least 768 marathons scheduled in the United States and Canada in 2016.
