Half-Marathon races near Seattle, Washington — 2026 running calendar

National Chocolate Day: Run for Chocolates 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

12 Sep, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Orca Half Marathon

Seattle, Washington, United States

19 Sep, 2026 (Sat) – 20 Sep, 2026

$60.00 - $175.00

Running

Half-Marathon 12.9K +1

Oktoberfest Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

26 Sep, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Coffee Lovers Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

10 Oct, 2026 (Sat) – 28 Nov, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

PB&J Fuel Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

31 Oct, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Halloween Trick or Trot Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

31 Oct, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Veterans Day Freedom Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

14 Nov, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

2026 Seattle Ghost Marathon, Half & 50K

Seattle, Washington, United States

28 Nov, 2026 (Sat)

$140.00

Running, Trail running

Marathon Half-Marathon Ultra

Thanksgiving Gobble Trot Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

28 Nov, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Sunrise Marathon 5K/10K/13.1 Seattle

Seattle, Washington, United States

12 Dec, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

New Year's Run 5K/10K/13.1 Seattle

Seattle, Washington, United States

26 Dec, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

A Merry Christmas Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

26 Dec, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2