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

SuperHeroes Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

06 Jun, 2026 (Sat)

$30.00 - $60.00

Running

5K 10K Half-Marathon 1.6K +2

Run for Breast Cancer 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

06 Jun, 2026 (Sat) – 12 Dec, 2026

$30.00 - $60.00

Running

5K 10K Half-Marathon 1.6K +8

Made in the Usa 5K/10K/15K/Half - Seattle

Seattle, Washington, United States

13 Jun, 2026 (Sat)

Free - $55.00

Running

5K 10K 15K Half-Marathon +12

Run Juneteenth Day 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

20 Jun, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Sloth Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

20 Jun, 2026 (Sat) – 29 Aug, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

July 4th Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

04 Jul, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Run for Chocolate 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

04 Jul, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Run for Donuts 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

25 Jul, 2026 (Sat) – 26 Sep, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Run for Coffee Lovers 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

25 Jul, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Bagel Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

15 Aug, 2026 (Sat) – 10 Oct, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

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

Seattle, Washington, United States

15 Aug, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Run to Breast Cancer 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

29 Aug, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2