Marathons Events in Seattle

Check out happening marathons events all around Seattle, WA

Seattle - Walk for PI

Sat, 18 Oct at 11:00 am Woodland Park Zoo

Seattle Walk to End Colon Cancer

Sat, 04 Oct at 09:00 am Gas Works Park

Special performance w/ Corina and Ines. Guest DJ Jun Yi (San Fran)

Sat, 18 Oct at 08:30 pm Dance Underground

West Seattle Monster Dash 2025

Sat, 25 Oct at 09:30 am Lincoln Park in West Seattle, WA

Extra Thick

Fri, 03 Oct at 08:00 pm Sea Monster Lounge

Super Hero 5k

Sat, 15 Nov at 10:00 am Green Lake Park USD 22 to 42

"International Day of the Girl" - 5k Walk/Run - The Agape House

Sat, 11 Oct at 11:00 am Green Lake Park Playground USD 0 to 40

Trick or Treat 5k

Sat, 25 Oct at 10:00 am Green Lake Park USD 22 to 42

Tacky Turkey Sweater 5k

Sat, 22 Nov at 10:00 am Green Lake Park USD 22 to 42

Sleigh that 5k

Sat, 20 Dec at 10:00 am Green Lake Park USD 22 to 42

5k Beer Run x Elysian Capitol Hill Brewery | 2025 WA Brewery Running Series

Sun, 12 Oct at 11:00 am Elysian Capitol Hill Brewery USD 47 to 68

Making Strides Against Breast Cancer of Seattle

Sat, 11 Oct at 09:00 am Pier 62

Triathalon

Tue, 04 Nov at 04:00 pm Barboza at Neumos

SeaTrain 12 Week Build Up

Mon, 24 Nov at 07:00 am MoPop,