December 2026 races in Seattle

There are 19 running events listed in Seattle for December 2026 — 19 5K, 11 10K, 8 Half Marathon, 1 Marathon — starting with Holiday 5K, 10K, & 13.1M at Everett, WA (49) on Sat, Dec 5, 2026. Every listing shows the date, venue, and distances, with a direct link to registration.

• Sat, Dec 5, 2026 Holiday 5K, 10K, & 13.1M at Everett, WA (49) 600 128th St SE · Everett, WA · From $30 5K10KHalf Marathon Road
• Sat, Dec 5, 2026 Celebrate Woodinville Winterfest 5k 17301 131st Ave NE · Woodinville, WA · From $35 5K Road
• Sat, Dec 5, 2026 Santa Sleighs 5K 5155 McCormick Woods Drive SW · Port Orchard, WA · From $45 5K Road
• Sun, Dec 6, 2026 Jamestown Glow Run/Walk Jamestown S'Klallam Tribal Center · Sequim, WA · From $35 5K10K Road
• Sun, Dec 6, 2026 The Electric Cookie Run Green Lake Community Center · Seattle, WA · From $42 5K10K Road
• Sun, Dec 6, 2026 2026 Holiday on the Bay 5K and Kids Dash 1205 Craftsman Way · Everett, WA · From $15 5K Road
• Sun, Dec 6, 2026 Holiday Grinch 5K 211 W. Stewart Ave. · Puyallup, WA · From $25 5K Road
• Sun, Dec 6, 2026 K9 Candy Cane 5K Fun Run 1719 SE Maple Valley Hwy · Renton, WA · From $30 5K Road
• Sun, Dec 6, 2026 Run or Wine 5K Series - December 2026 14735 NE 145th Street · Woodinville, WA · From $38 5K10K Road
• Sat, Dec 12, 2026 Run for Breast Cancer 5K/10K/13.1 SEATTLE Lincoln Park (Course Map will be emailed) · Seattle, WA · From $30 5K10KHalf Marathon Road
• Sat, Dec 12, 2026 Sunrise Marathon 5K/10K/13.1 SEATTLE Lincoln Park (Course Map will be emailed) · Seattle, WA · From $30 5K10KHalf MarathonMarathon Road
• Sat, Dec 12, 2026 Santa Runs Tacoma Downtown Tacoma · From $35 5K10KHalf Marathon Road
• Sat, Dec 12, 2026 Holiday 5K, 10K, & 13.1M at Everett, WA (50) 600 128th St SE · Everett, WA · From $30 5K10KHalf Marathon Road
• Sun, Dec 13, 2026 2026 Jingle Bell Run - Seattle, WA 2101 N. Northlake Way · Seattle, WA · From $25 5K Road
• Sat, Dec 19, 2026 Holiday 5K, 10K, & 13.1M at Everett, WA (51) 3505 Lowell Snohomish River Rd, · Everett, WA · From $30 5K10KHalf Marathon Road
• Sun, Dec 20, 2026 Sleigh that 5k 7201 E Green Lake Drive N · Seattle, WA · From $34 5K Road
• Thu, Dec 24, 2026 Christmas Eve Ugly Sweater 531 31st Ave SE · Puyallup, WA · From $15 5K Road
• Sat, Dec 26, 2026 A Merry Christmas Run 5K/10K/13.1 SEATTLE Magnuson Park (Course Maps emailed) · Seattle, WA · From $30 5K10KHalf Marathon Road
• Sat, Dec 26, 2026 New Year's Run 5K/10K/13.1 SEATTLE Magnuson Park (Course Map will be emailed) · Seattle, WA · From $30 5K10KHalf Marathon Road

Quick answers

How many races are there in Seattle in December 2026?

19 running events are listed in Seattle for December 2026, from Holiday 5K, 10K, & 13.1M at Everett, WA (49) on Sat, Dec 5, 2026 to New Year's Run 5K/10K/13.1 SEATTLE on Sat, Dec 26, 2026. Every listing links directly to registration.

What distances can I race in Seattle in December?

The December 2026 calendar in Seattle includes 19 5K, 11 10K, 8 Half Marathon, 1 Marathon.

What is the first race of December 2026 in Seattle?

Holiday 5K, 10K, & 13.1M at Everett, WA (49) on Sat, Dec 5, 2026 at 600 128th St SE.