Running races in or near Clayton, CA
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Clayton, 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 - Runner
Organization: Dock Street Productions
Date of Race: 04-25-2026
Description: Registration @ 7:30 | Race starts @ 8:30 This FREE 5K ...
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5K - Individual Age group/open
Organization: Special Olympics Northern California
Date of Race: 03-21-2026
Description: Join Special Olympics Northern California for the coolest event ...
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Running-1 Mile - Individual Age group/open
Organization: Special Olympics Northern California
Date of Race: 03-21-2026
Description: Join Special Olympics Northern California for the coolest event ...
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Eat Well | Sleep Well | Move Well ...
Organization: Dock Street Productions
Date of Race: 04-25-2026
Description: Registration @ 7:30 | Race starts @ 8:30 This FREE 5K ...
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2026 Bay Area 5K & Polar Plunge
Organization: Special Olympics Northern California
Date of Race: 03-21-2026
Description: Join Special Olympics Northern California for the coolest event ...
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2:00-3:00: Running and Conditioning/ All Sports Conditioning
Organization: Bishop O'Dowd High School
Date of Race: 07-06-2026
Description: The goals of this camp are to develop a solid fundamental ...
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2:00-3:00: Running and Conditioning/ All Sports Conditioning
Organization: Bishop O'Dowd High School
Date of Race: 06-15-2026
Description: This camp will introduce, train, and teach the fundamentals of sprint ...
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Walking-5K - Walker/Runner (or a little bit of ...
Organization: Dock Street Productions
Date of Race: 04-25-2026
Description: Registration @ 7:30 | Race starts @ 8:30 This FREE 5K ...
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Mammals in Motion
Organization: Livermore Area Rec & Park Dist
Date of Race: 04-11-2026
Description: DescriptionRanger Rudy will introduce some of the many mammals that call ...
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WOW - Summer Murder Mystery Dinner @ Charles ...
Organization: Livermore Area Rec & Park Dist
Date of Race: 06-18-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Donation to Scholarship Fund
Organization: Sienna Ranch
Date of Race: 10-25-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Donation to Scholarship Fund
Organization: Sienna Ranch
Date of Race: 09-01-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Flag Football Camp
Organization: Future Star Baseball
Date of Race: 06-22-2026
Description: Future Star Baseball is expanding to other sports! We’ve been ...
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Flag Football Camp 2
Organization: Future Star Baseball
Date of Race: 07-20-2026
Description: Future Star Baseball is expanding to other sports! We’ve been ...
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Baseball Camp at Witter Session 3
Organization: Future Star Baseball
Date of Race: 08-03-2026
Description: This camp is a balanced approach all aspects of baseball including: ...
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Baseball Camp at Witter Field 1
Organization: Future Star Baseball
Date of Race: 06-08-2026
Description: This camp is a balanced approach all aspects of baseball including: ...
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S1: AM Half Day: Entrepreneurship for Kids
Organization: The Athenian School
Date of Race: 06-22-2026
Description: Young entrepreneurs bring their ideas to life! Campers will brainstorm a ...
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FSB Cages Camp 1
Organization: Future Star Baseball
Date of Race: 06-01-2026
Description: This camp is a balanced approach all aspects of baseball including: ...
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Baseball Camp at Witter Field 2
Organization: Future Star Baseball
Date of Race: 07-06-2026
Description: This camp is a balanced approach all aspects of baseball including: ...
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S2: AM Half Day: Entrepreneurship for Kids
Organization: The Athenian School
Date of Race: 07-06-2026
Description: Young entrepreneurs bring their ideas to life! Campers will brainstorm a ...
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Skyhawks Summer Camp Olympics (7-12Y)
Organization: TOWN OF DANVILLE
Date of Race: 06-15-2026
Description: DescriptionJoin us for an action-packed week filled with Skyhawks’ original ...
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Skyhawks Summer Camp Olympics (7-12Y)
Organization: TOWN OF DANVILLE
Date of Race: 07-13-2026
Description: DescriptionJoin us for an action-packed week filled with Skyhawks’ original ...
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Skyhawks Mini-Hawk Camp (4-6Y)
Organization: TOWN OF DANVILLE
Date of Race: 06-15-2026
Description: DescriptionThis ultimate multi-sport camp combines baseball, camp games, flag football, ...
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Skyhawks Mini-Hawk Camp (4-6Y)
Organization: TOWN OF DANVILLE
Date of Race: 07-27-2026
Description: DescriptionThis ultimate multi-sport camp combines baseball, camp games, flag football, ...
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Skyhawks Mini-Hawk Camp (4-6Y)
Organization: TOWN OF DANVILLE
Date of Race: 06-15-2026
Description: DescriptionThis ultimate multi-sport camp combines baseball, camp games, flag football, ...
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Complete list of running events in and near Clayton, CA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Clayton
About Clayton
Clayton (CA) is a city in Contra Costa County with an estimated population of 10,897.[4]
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Did you know?
Historically, more marathons are run in the month of October than any other month (in the U.S.).
