Running races in Seattle, WA
71 upcoming running races in Seattle, WA — 10Ks, half marathons and marathons, with dates and field depth before you enter.
October 2026
November 2026
- Sat, Nov 7Carkeek Cooler Trail RunSeattle5K10K
- Sat, Nov 14Let Me Run 5KSeattle5K
- Sat, Nov 14Run for Mental Health 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Nov 14Veterans Day Freedom Run 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Nov 14Let Me Run Spring Fest 5K 2026Seattle5K Local
- Sat, Nov 21Ravenna Refresher Trail RunSeattle
- Sun, Nov 22Tacky Turkey Sweater 5kSeattle5K
- Thu, Nov 26Montlake Turkey TrotSeattle5K
- Thu, Nov 26Magnuson Turkey TrotSeattle5K10K Competitive
- Thu, Nov 26Thanksgiving Day Apple Cup 5KSeattle5K Very competitive
- Sat, Nov 28Seattle Kids MarathonSeattleMarathon
- Sat, Nov 28Seattle MarathonSeattleMarathon
- Sat, Nov 28Coffee Lovers Run 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Nov 28Thanksgiving Gobble Trot Run 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Nov 282026 Seattle Ghost Marathon, Half & 50KSeattleHalf marathonMarathon Local
December 2026
- Sat, Dec 5Self-Transcendence 2 Mile Races, SeattleSeattle
- Sat, Dec 5The Electric Cookie RunSeattle5K10K Competitive
- Sat, Dec 12Run for Breast Cancer 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Dec 12Sunrise Marathon 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sun, Dec 132026 Jingle Bell Run - Seattle, WASeattle5K Competitive
- Sat, Dec 19Magnuson Series - Holiday Fun RunSeattle5K10K
- Sat, Dec 19Seward Solstice RunSeattle10K
- Sat, Dec 19Holiday fun RunSeattle5K10K Competitive
- Sun, Dec 20Sleigh that 5kSeattle5K Local
- Sat, Dec 26A Merry Christmas Run 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Dec 26New Year's Run 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
January 2027
- Fri, Jan 1Resolution Run 5K and Polar Bear Dive - 2027Seattle5K Competitive
- Sun, Jan 10Unicorns & Rainbows 5kSeattle5K
- Sat, Jan 16MLK Jr. Freedom Run 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Jan 16Sunrise Marathon 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Jan 30Northwest Trail Runs Interlaken Icicle DashSeattle5K10K
- Sat, Jan 30Coffee Lovers Run SEATTLESeattle5K10KHalf marathon
- Sat, Jan 30Run for Donut SEATTLESeattle5K10KHalf marathon
February 2027
- Sat, Feb 13Run for Chocolate 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Feb 13Valentine's Day Run 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Feb 13Galentine's 5kSeattle5K
- Sun, Feb 14My Better Half MarathonSeattle5K10KHalf marathon Competitive
- Sun, Feb 14Super Seattle 5KSeattle5K Competitive
- Sat, Feb 27Magnuson Series - Winter Fun RunSeattle5K10K
- Sat, Feb 27Run For Mental Health SEATTLESeattle5K10KHalf marathon
- Sat, Feb 27Run Together Against Breast Cancer SEATTLESeattle5K10KHalf marathon
- Sat, Feb 27Winter Fun RunSeattle5K10K
- Sun, Feb 28Hot Chocolate Run - SeattleSeattle5K10K
March 2027
- Sat, Mar 20St. Paddy's Day Lucky Run 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Mar 20Sunrise Marathon 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sun, Mar 21Run Forest Run 5kSeattle5K Competitive
- Sat, Mar 27Always Hope Easter Run SEATTLESeattle5K10KHalf marathon
- Sat, Mar 27SuperHeroes Run SEATTLESeattle5K10KHalf marathon
April 2027
- Sat, Apr 3Tenacious TenSeattle10K
- Sat, Apr 3Tenacious 10Seattle10K
- Sat, Apr 10Run for PB&J 5k/10k/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Apr 10Sloth Run 5K/10K/13.1 SEATTLESeattle5K10KHalf marathon
- Sat, Apr 24Coffee Lovers Run SEATTLESeattle5K10KHalf marathon
- Sat, Apr 24Run for Donut SEATTLESeattle5K10KHalf marathon
- Sun, Apr 25I love the 90s 5kSeattle5K
May 2027
- Sun, May 2May the Course be with You 5kSeattle5K
- Sat, May 8Run for Chocolate 5k/10k/13.1 SEATTLESeattle5K10KHalf marathon
- Sun, May 16Seattle Atatürk Unity RunSeattle5K10K Competitive
- Sun, May 23Run to END Weekend Hunger 5KSeattle5K Local
- Sat, May 29SuperHeroes Run SEATTLESeattle5K10KHalf marathon
- Sat, May 29Lookin For A Cure SeattleSeattle5K Local