Running races in or near Simi Valley, CA
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Simi Valley, 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 - Student/cadet
Organization: Mission cadets
Date of Race: 11-08-2026
Description: Run through a fully working police academy driving course, challenging but ...
View Race Details View on Map
Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 01-03-2027
Description: It's time to Ring in the New Year at our 5k, ...
View Race Details View on Map
Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 12-06-2026
Description: It's time for the Jingle Bell 5k, 10k, 15k, Half Marathon ...
View Race Details View on Map
Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 11-26-2026
Description: We are back at Lake Balboa/Woodley Park!! 8AM Start ...
View Race Details View on Map
Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 11-26-2026
Description: We are back at Lake Balboa/Woodley Park!! 8AM Start ...
View Race Details View on Map
Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 12-12-2026
Description: We are back at Lake Balboa/Woodley Park!!
View Race Details View on Map
Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 12-12-2026
Description: We are back at Lake Balboa/Woodley Park!!
View Race Details View on Map
Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 12-12-2026
Description: We are back at Lake Balboa/Woodley Park!!
View Race Details View on Map
Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 01-03-2027
Description: It's time to Ring in the New Year at our 5k, ...
View Race Details View on Map
Running-5K - Individual Age group/open
Organization: Mission cadets
Date of Race: 11-08-2026
Description: Run through a fully working police academy driving course, challenging but ...
View Race Details View on Map
Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 12-06-2026
Description: It's time for the Jingle Bell 5k, 10k, 15k, Half Marathon ...
View Race Details View on Map
Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 11-26-2026
Description: We are back at Lake Balboa/Woodley Park!! 8AM Start ...
View Race Details View on Map
Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 01-03-2027
Description: It's time to Ring in the New Year at our 5k, ...
View Race Details View on Map
Running-1K - 0-10 yrs old
Organization: Mission cadets
Date of Race: 11-08-2026
Description: Run through a fully working police academy driving course, challenging but ...
View Race Details View on Map
Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 12-06-2026
Description: It's time for the Jingle Bell 5k, 10k, 15k, Half Marathon ...
View Race Details View on Map
Running-Half Marathon - Individual Age group/open
Organization: ABWR
Date of Race: 11-26-2026
Description: We are back at Lake Balboa/Woodley Park!! 8AM Start ...
View Race Details View on Map
Running-Half Marathon - Individual Age group/open
Organization: ABWR
Date of Race: 12-12-2026
Description: We are back at Lake Balboa/Woodley Park!!
View Race Details View on Map
Running-Half marathon - Individual Age group/open
Organization: ABWR
Date of Race: 12-06-2026
Description: It's time for the Jingle Bell 5k, 10k, 15k, Half Marathon ...
View Race Details View on Map
Running-Half marathon - Individual Age group/open
Organization: ABWR
Date of Race: 01-03-2027
Description: It's time to Ring in the New Year at our 5k, ...
View Race Details View on Map
Half Marathon - Half Marathon
Organization: New Global Adventures
Date of Race: 03-20-2027
Description: Southern California features a diverse range of nature and terrain, giving ...
View Race Details View on Map
6-Hours - Individual Age group/open
Organization: New Global Adventures
Date of Race: 05-01-2027
Description: Ready to hit the trails? TheSanta Clarita Trail Raceoffers fiveexciting distances—5K, ...
View Race Details View on Map
1-Mile Hike - Individual Age group/open
Organization: New Global Adventures
Date of Race: 05-01-2027
Description: Ready to hit the trails? TheSanta Clarita Trail Raceoffers fiveexciting distances—5K, ...
View Race Details View on Map
5K - Individual Age group/open
Organization: New Global Adventures
Date of Race: 05-01-2027
Description: Ready to hit the trails? TheSanta Clarita Trail Raceoffers fiveexciting distances—5K, ...
View Race Details View on Map
5K - 5K
Organization: New Global Adventures
Date of Race: 06-19-2027
Description: Celebrate Father's Day by kicking off the weekend with an awesome ...
View Race Details View on Map
Kids Fun Run - Kids Fun Run
Organization: New Global Adventures
Date of Race: 06-19-2027
Description: Celebrate Father's Day by kicking off the weekend with an awesome ...
View Race Details View on Map
Complete list of running events in and near Simi Valley, CA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Simi Valley
About Simi Valley
Simi Valley (CA) is a city in Ventura County with an estimated population of 124,237.[4]
Races Local Newsletter
Subscribe to get the latest on racing delivered to your inbox, once per week.
Did you know?
Historically, more marathons are run in the month of October than any other month (in the U.S.).
