Running races in or near Mamaroneck, NY
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Mamaroneck, NY 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-Half marathon - Individual Age group/open
Organization: Trimara Inc.
Date of Race: 09-20-2026
Description: The Race Guys decided that Prospect Park ...
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The New Yorker 10k, 5k @ Riverside Park
Organization: Du City Tri Runs, Inc.
Date of Race: 09-26-2026
Description: The seldom seen
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Half - Oct 4 - 13.1 miles
Organization: Du City Tri Runs, Inc.
Date of Race: 10-04-2026
Description: The JC Green Half Marathon, 10K, 5K ...
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10K - 10k Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 05-10-2026
Description: Join us to celebrate everything great about motherhood by going the ...
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5K - 5K Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 05-10-2026
Description: Join us to celebrate everything great about motherhood by going the ...
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The Thankful 13.1 Half Marathon!
Organization: Trimara Inc.
Date of Race: 11-15-2026
Description: The Race Guys decided that Prospect Park ...
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5K - SEP 26 - Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 09-26-2026
Description: The seldom seen
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Half - Nov. 8 - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 11-08-2026
Description: Brooklyn is NYC’s most populous borough and has a rich running ...
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The Prospect Park Half Marathon 2026!
Organization: Trimara Inc.
Date of Race: 09-20-2026
Description: The Race Guys decided that Prospect Park ...
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5K - Nov. 8 - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 11-08-2026
Description: Brooklyn is NYC’s most populous borough and has a rich running ...
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10K - SEP 26 - Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 09-26-2026
Description: The seldom seen
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10K - Oct 4 - 10k
Organization: Du City Tri Runs, Inc.
Date of Race: 10-04-2026
Description: The JC Green Half Marathon, 10K, 5K ...
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10K - Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 08-16-2026
Description: We are proud and excited to hold the First ...
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5K - Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 08-16-2026
Description: We are proud and excited to hold the First ...
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Jersey City Summer Half, 10K, 5K 2026
Organization: Du City Tri Runs, Inc.
Date of Race: 08-16-2026
Description: We are proud and excited to hold the First ...
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The JC Green Fall Half lMarathon, 10k, 5k ...
Organization: Du City Tri Runs, Inc.
Date of Race: 10-04-2026
Description: The JC Green Half Marathon, 10K, 5K ...
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The Brooklyn Fall Half
Organization: Du City Tri Runs, Inc.
Date of Race: 11-08-2026
Description: Brooklyn is NYC’s most populous borough and has a rich running ...
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10K - Nov. 8 - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 11-08-2026
Description: Brooklyn is NYC’s most populous borough and has a rich running ...
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5K - Oct 4 - 5k
Organization: Du City Tri Runs, Inc.
Date of Race: 10-04-2026
Description: The JC Green Half Marathon, 10K, 5K ...
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HALF - Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 08-16-2026
Description: We are proud and excited to hold the First ...
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HALF MARATHON Aug 2, 2026 - HALF MARATHON ...
Organization: Du City Tri Runs, Inc.
Date of Race: 08-02-2026
Description: 8.02.2026 is the date for the 5th Annual Queens ...
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The Flushing Meadows NYC Half, 10k, 5k 2026
Organization: Du City Tri Runs, Inc.
Date of Race: 06-28-2026
Description:
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Complete list of running events in and near Mamaroneck, NY: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Mamaroneck
About Mamaroneck
Mamaroneck (NY) is a village in Westchester County with an estimated population of 18,929.[4]
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Did you know?
In 2014, 57% of marathon finishers in the U.S. were men; women made up 43% of finishers.
