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Races in Oceanside, CA

Running races in or near Oceanside, CA

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

See below for a frequently-updated, comprehensive list of upcoming running events in the local Oceanside, 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.

Saucony

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 ...

Muddy Dash - Value Registration- Regular Price $74.95

Organization: Viral Run

Date of Race: 04-19-2025

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

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 ...

Muddy Dash | San Diego

Organization: Viral Run

Date of Race: 04-19-2025

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

Mayor's Prayer Breakfast

Organization: City of Encinitas

Date of Race: 05-01-2025

Description: Encinitas Mayor Bruce Ehlers invites you to attend the ...

2025 Solana Beach Triathlon & Duathlon and San ...

Organization: KOZ Events

Date of Race: 07-27-2025

Description: This will be a USAT Sanctioned Triathlon, Duathlon, Aqua-thlon, Aquabike! New ...

Bags and Brews

Organization: City of San Marcos Parks and Recreation

Date of Race: 05-10-2025

Description: DescriptionBags n' Brews merges the great game of Cornhole with fantastic ...

Triathlon - Individual Age group/open

Organization: KOZ Events

Date of Race: 07-27-2025

Description: This will be a USAT Sanctioned Triathlon, Duathlon, Aqua-thlon, Aquabike! New ...

Triathlon-Elite Only - Individual Age group/open

Organization: KOZ Events

Date of Race: 07-27-2025

Description: This will be a USAT Sanctioned Triathlon, Duathlon, Aqua-thlon, Aquabike! New ...

Duathlon-Duo Racer (Challenged Only) - Group-registration team Age ...

Organization: KOZ Events

Date of Race: 07-27-2025

Description: This will be a USAT Sanctioned Triathlon, Duathlon, Aqua-thlon, Aquabike! New ...

Duathlon-1 mile Run - 10 mile Bike - ...

Organization: KOZ Events

Date of Race: 07-27-2025

Description: This will be a USAT Sanctioned Triathlon, Duathlon, Aqua-thlon, Aquabike! New ...

Triathlon-Relay - Join a team previously created by ...

Organization: KOZ Events

Date of Race: 07-27-2025

Description: This will be a USAT Sanctioned Triathlon, Duathlon, Aqua-thlon, Aquabike! New ...

San Diego Tri Series 5K - Individual Age ...

Organization: KOZ Events

Date of Race: 07-27-2025

Description: This will be a USAT Sanctioned Triathlon, Duathlon, Aqua-thlon, Aquabike! New ...

Aquabike (Swim / Bike) - Individual Age group/open

Organization: KOZ Events

Date of Race: 07-27-2025

Description: This will be a USAT Sanctioned Triathlon, Duathlon, Aqua-thlon, Aquabike! New ...

Triathlon-Relay - Non-participating team captain

Organization: KOZ Events

Date of Race: 07-27-2025

Description: This will be a USAT Sanctioned Triathlon, Duathlon, Aqua-thlon, Aquabike! New ...

Aqua-thlon (Swim / Run) - Individual Age group/open

Organization: KOZ Events

Date of Race: 07-27-2025

Description: This will be a USAT Sanctioned Triathlon, Duathlon, Aqua-thlon, Aquabike! New ...

Triathlon-Relay - Group-registration team Age group/open

Organization: KOZ Events

Date of Race: 07-27-2025

Description: This will be a USAT Sanctioned Triathlon, Duathlon, Aqua-thlon, Aquabike! New ...

Triathlon-Sprint - Duo Racer (Challenged Only) - Group-registration ...

Organization: KOZ Events

Date of Race: 07-27-2025

Description: This will be a USAT Sanctioned Triathlon, Duathlon, Aqua-thlon, Aquabike! New ...

2025 Giro di San Diego

Organization: Granfondo Cycling Tours Inc.

Date of Race: 06-07-2025

Description: Join the GIRO in this exciting day filled with ...

Kidokinetics: Run the Bases Summer Camp

Organization: City of Encinitas

Date of Race: 07-07-2025

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

Kidokinetics: Run the Bases Summer Camp

Organization: City of Encinitas

Date of Race: 07-07-2025

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

XFLAGFOOTBALL Youth COED Flag Football

Organization: City of Oceanside

Date of Race: 06-14-2025

Description: DescriptionLearn all the fundamentals of the wonderful game of Flag ...

XFLAGFOOTBALL Youth COED Flag Football

Organization: City of Oceanside

Date of Race: 06-14-2025

Description: DescriptionLearn all the fundamentals of the wonderful game of Flag ...

XFLAGFOOTBALL Youth COED Flag Football

Organization: City of Oceanside

Date of Race: 06-14-2025

Description: DescriptionLearn all the fundamentals of the wonderful game of Flag ...

Pley Sports: Flag Football Camp Half Day, Week ...

Organization: City of Oceanside

Date of Race: 07-14-2025

Description: DescriptionExperience the thrill of Flag Football at our PLEY Sports camp! ...

FitnessMatchmaker.com

Complete list of running events in and near Oceanside, CA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.


More information about Oceanside

About Oceanside

Oceanside (CA) is a city in San Diego County with an estimated population of 167,086.[4]

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In 2015, the 5K maintained the #1 position of all race distances with 7.6 million finishers (U.S.).

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