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

Jul

04

Christmas 5K/10K/Half Marathon in July - Portland (Washougal)

Washougal, Washington, United States

Running

5K 10K Half-Marathon +2

Jul

04

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

Seattle, Washington, United States

Running

5K 10K Half-Marathon 1.6K +2

Jun

27

Medal Madness 5K, 10K, & 13.1M at Olympia, WA (26)

Olympia, Washington, United States

Running

5K 10K Half-Marathon

Jun

27

Medal Madness 5K, 10K, & 13.1M at Camas, WA (26)

Camas, Washington, United States

Running

5K 10K Half-Marathon

Jun

27

Medal Madness 5K, 10K, & 13.1M at Spokane, WA (26)

Spokane, Washington, United States

Running

5K 10K Half-Marathon

Jun

27

Tiger Peak Challenge

Issaquah, Washington, United States

Trail running Running

8K Half-Marathon Ultra 1K

Jun

20

Snoqualmie Valley Half

Carnation, Washington, United States

Running

10K Half-Marathon

Jun

20

Sloth Run 5K/10K/13.1 Seattle

Seattle, Washington, United States

Running

5K 10K Half-Marathon 1.6K +8

Jun

20

Medal Madness 5K, 10K, & 13.1M at Pasco, WA (25)

Pasco, Washington, United States

Running

5K 10K Half-Marathon

Jun

20

Medal Madness 5K, 10K, & 13.1M at Everett, WA (25)

Everett, Washington, United States

Running

5K 10K Half-Marathon

Jun

20

Run Juneteenth Day 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

Running

5K 10K Half-Marathon 1.6K +2

Jun

14

Bound for Boston Marathon & Half Marathon - Seattle

Olympia, Washington, United States

Running

Marathon Half-Marathon