Running Races in Sumner, WA

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

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

Running-5K - Open 5K

Organization: Lakes Cross Country Booster Club

Date of Race: 09-20-2025

Description: The Open 5k is for those coaches, parents, and community members ...

Running-1 Mile - youth 1 mile

Organization: Lakes Cross Country Booster Club

Date of Race: 09-20-2025

Description: The Open 5k is for those coaches, parents, and community members ...

Running-5K - Individual Age group/open

Organization: Lake Wilderness Triathlon

Date of Race: 06-06-2026

Description: Welcome to the 10th annual Lake Wilderness Run!! We're so excited ...

Running-10K - Individual Age group/open

Organization: Lake Wilderness Triathlon

Date of Race: 06-06-2026

Description: Welcome to the 10th annual Lake Wilderness Run!! We're so excited ...

Lake Wilderness Run

Organization: Lake Wilderness Triathlon

Date of Race: 06-06-2026

Description: Welcome to the 10th annual Lake Wilderness Run!! We're so excited ...

Running-Half marathon - Individual Age group/open

Organization: Lake Wilderness Triathlon

Date of Race: 06-06-2026

Description: Welcome to the 10th annual Lake Wilderness Run!! We're so excited ...

2025 Fort Steilacoom Open & youth 1 mile

Organization: Lakes Cross Country Booster Club

Date of Race: 09-20-2025

Description: The Open 5k is for those coaches, parents, and community members ...

Running-1 Mile - Youth

Organization: Lakes Cross Country Booster Club

Date of Race: 12-13-2025

Description: Get ready for the Fort Steilacoom Jingle Bell Run, a festive ...

Running-5K - Youth 5k

Organization: Lakes Cross Country Booster Club

Date of Race: 12-13-2025

Description: Get ready for the Fort Steilacoom Jingle Bell Run, a festive ...

Zombie Run 5K

Organization: Pierce County Parks

Date of Race: 10-11-2025

Description: DescriptionOutrun the Undead! Lace up your shoes and prepare to run ...

Winter Solstice Celebration Night Market - Interior Booth

Organization: Pierce County Parks

Date of Race: 12-20-2025

Description: DescriptionWant to be a vendor at the ...

Puzzle Palooza! Puzzle Competition-Ugly Sweater Edition!

Organization: Pierce County Parks

Date of Race: 12-06-2025

Description: DescriptionHave a passion for jigsaw puzzles? Are you a little ...

Running-5K - Open (Age 13+)

Organization: Lakes Cross Country Booster Club

Date of Race: 12-13-2025

Description: Get ready for the Fort Steilacoom Jingle Bell Run, a festive ...

Running-1 Mile - Open (Age 13+)

Organization: Lakes Cross Country Booster Club

Date of Race: 12-13-2025

Description: Get ready for the Fort Steilacoom Jingle Bell Run, a festive ...

Fort Steilacoom Jingle Bell Run

Organization: Lakes Cross Country Booster Club

Date of Race: 12-13-2025

Description: Get ready for the Fort Steilacoom Jingle Bell Run, a festive ...