Half-Marathon races in Washington, United States — 2026 running calendar

Holiday 5K, 10K, & 13.1M at Spokane, WA (52)

Spokane, Washington, United States

26 Dec, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

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

Holiday 5K, 10K, & 13.1M at Olympia, WA (52)

Olympia, Washington, United States

26 Dec, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Holiday 5K, 10K, & 13.1M at Camas, WA (52)

Camas, Washington, United States

26 Dec, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Last Chance Marathon and Half Marathon

Bellingham, Washington, United States

31 Dec, 2026 (Thu)

$60.00

Running

Marathon Half-Marathon

Richland RunFest

Richland, Washington, United States

05 Feb, 2027 (Fri) – 05 Mar, 2027

$20.00 - $60.00

Running

Half-Marathon 10K 5K +2

Woolley Trail Runs

Sedro Woolley, Washington, United States

13 Feb, 2027 (Sat)

$65.00

Running

Ultra Marathon Half-Marathon

Brooks Lake Sammamish Half Marathon presented by REI

Redmond, Washington, United States

06 Mar, 2027 (Sat)

$50.00 - $80.00

Running

Half-Marathon

Mill Town Half Marathon, 10K and 5K

Everett, Washington, United States

28 Mar, 2027 (Sun)

$45.00 - $75.00

Running

Half-Marathon 10K 5K Military or Veteran Half Marathon +2

Yakima River Canyon Marathon and Half-Marathon

Yakima, Washington, United States

03 Apr, 2027 (Sat)

$85.00

Running

Half-Marathon Marathon

Run the River

Kennewick, Washington, United States

16 Apr, 2027 (Fri) – 17 Apr, 2027

$15.00 - $140.00

Running

1.9K Marathon Half-Marathon 5K +2