RunningSeattle
Running in Seattle
Browse upcoming amateur running events and compare dates, locations, and popularity. in Seattle.
Upcoming dates Seattle Community-rated events
Events listed
63
Sport
Running
Area
Seattle
Radius
70 km
This calendar in numbers
This calendar currently lists 63 upcoming events, from Aug 29, 2026 to Aug 8, 2027. September is the busiest month, with 18 events scheduled. Events are spread across 23 different locations; Seattle hosts the most (25). Course distances range from 5 km to 50 km.
Browse all 63 events by date
August 2026
September 2026
- Redmond Harvest Half Marathon Sep 7
- Diplo's Run Club 5K - Seattle Sep 12
- National Chocolate Day Run for Chocolates 5K/10K/13.1 - Seattle Sep 12
- National Chocolate Day Run for Chocolates SEATTLE Sep 12
- Run for Your Life 5k Sep 12
- Race For A Soldier Sep 13
- USA SUP National Championships 2026 Sep 18
- 9/11 Heroes Run - Tacoma, Washington Sep 19
- Dragonslayer Fantasy Dash and Strut Sep 19
- Get Your Rear in Gear - Seattle Sep 19
- Orca Half Sep 19
- The Brooks Orca Half Marathon presented by REI Sep 19
- Run of Hope Sep 20
- Run of the Mill 5K Sep 20
- Tacos & Cervezas 5k Sep 20
- Oktoberfest Run 5K/10K/13.1 - Seattle Sep 26
- Oktoberfest Run SEATTLE Sep 26
- Pacific Runderland 5K & Kids Run Sep 26
October 2026
- Monster Mad Dash 5K Oct 3
- Pink Ribbon Army 5K Oct 4
- Poulsbo Half & 10K Oct 4
- Coffee Lovers Run 5K/10K/13.1 SEATTLE Oct 10
- Defiance 50K Oct 10
- Middle Fork Trail Run Oct 10
- 2026 Snohomish River Run Oct 11
- Snohomish River Run Marathon Oct 11
- Dick's-A-Thon Oct 17
- Lake Washington Half Oct 17
- Alaska Airlines Dawg Dash Oct 18
- Carkeek 6- & 12- Hour Oct 24
- Greenlake 5K Oct 24
- Sammamish City Marathon Oct 24
- Wicked Fast 5K Halloween Run Oct 24
November 2026
- Grand Ridge Trail Run Nov 7
- Run the Bay Nov 8
- 2026 Kirkland Turkey Trot Nov 15
- Kirkland Turkey Trot Nov 15
- 2026 Mukilteo Turkey Trot Nov 26
- 2026 Mukilteo Turkey Trot 5K and 10K Nov 26
- Gig Harbor Turkey Trot Nov 26
- Mukilteo Turkey Trot Nov 26
- Tacoma City Turkey Trot Nov 26
- 2026 Seattle Kids Marathon Nov 28
- Seattle Marathon 2026 Nov 29
- UW Medicine Seattle Marathon and Half Marathon Nov 29
- UW Medicine Seattle Marathon Volunteers 2026 Nov 29
December 2026
- Christmas Rush Fun Run Dec 12
- Pigtails Run Dec 12
- Santa Runs Tacoma Dec 12
- 12Ks of Christmas Dec 13
- A Merry Christmas Run 5K/10K/13.1 SEATTLE Dec 26
January 2027
February 2027
March 2027
- Kirkland Shamrock Run Mar 13
- Magnuson Series: Spring Into Action Mar 13