Running Races in 98378 (Retsil, WA)

Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more in or near 98378

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

Muddy Dash | Seattle 2027

Organization: Viral Run

Date of Race: 07-24-2027

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

Muddy Dash - Exclusive VIP Registration - ...

Organization: Viral Run

Date of Race: 07-24-2027

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

Santa Bear - 5k

Organization: Sammamish Running

Date of Race: 12-19-2026

Description: Santa Bear Half 13.1, 10k, 5k ...

Santa Bear - 10k

Organization: Sammamish Running

Date of Race: 12-19-2026

Description: Santa Bear Half 13.1, 10k, 5k ...

Santa Bear - 1k Kid's

Organization: Sammamish Running

Date of Race: 12-19-2026

Description: Santa Bear Half 13.1, 10k, 5k ...

Santa Bear Half 13.1, 10k, 5k

Organization: Sammamish Running

Date of Race: 12-19-2026

Description: Santa Bear Half 13.1, 10k, 5k ...

Santa Bear - Mile Marker Sponsor

Organization: Sammamish Running

Date of Race: 12-19-2026

Description: Santa Bear Half 13.1, 10k, 5k ...

Muddy Dash - VALUE REGISTRATION - R̶e̶g̶u̶l̶a̶r̶ ...

Organization: Viral Run

Date of Race: 07-24-2027

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

Santa Bear - Half 13.1

Organization: Sammamish Running

Date of Race: 12-19-2026

Description: Santa Bear Half 13.1, 10k, 5k ...

Amazon Corporate Team Building Event

Organization: Club Scikidz North Seattle

Date of Race: 11-11-2026

Description: Amazon Corp Team Building Event

The Great Puzzle-Off: Ugly Sweater Edition

Organization: PenMet Parks

Date of Race: 12-18-2026

Description: DescriptionJoin us for our festive Great Puzzle Off! We’ll have ...

Green Fleet 2026

Organization: Gig Harbor Junior Sailing

Date of Race: 11-07-2026

Description: DescriptionJoin us for our festive Great Puzzle Off! We’ll have ...

Amazon Corporate Team Building Event

Organization: Club Scikidz North Seattle

Date of Race: 11-10-2027

Description: Amazon Corp Team Building Event

Skyhawks Pickleball

Organization: PenMet Parks

Date of Race: 12-02-2026

Description: DescriptionFind out why pickleball is the fastest growing sport! Players will ...

Skyhawks Pickleball

Organization: PenMet Parks

Date of Race: 12-02-2026

Description: DescriptionFind out why pickleball is the fastest growing sport! Players will ...

Skyhawks Pickleball

Organization: PenMet Parks

Date of Race: 12-02-2026

Description: DescriptionFind out why pickleball is the fastest growing sport! Players will ...

Skyhawks Pickleball

Organization: PenMet Parks

Date of Race: 12-02-2026

Description: DescriptionFind out why pickleball is the fastest growing sport! Players will ...

Skyhawks Pickleball

Organization: PenMet Parks

Date of Race: 12-02-2026

Description: DescriptionFind out why pickleball is the fastest growing sport! Players will ...