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

Luau 5K, 10K, & 13.1M at Pasco, WA (20)

Pasco, Washington, United States

16 May, 2026 (Sat)

Running

5K 10K Half-Marathon

Soaring Eagle Trail Run

Sammamish, Washington, United States

16 May, 2026 (Sat)

Trail running, Running

5K Half-Marathon 10K 1K +2

Luau 5K, 10K, & 13.1M at Everett, WA (20)

Everett, Washington, United States

16 May, 2026 (Sat)

Running

5K 10K Half-Marathon

Capital City Marathon

Olympia, Washington, United States

16 May, 2026 (Sat) – 17 May, 2026

Running

1.9K Marathon Half-Marathon 8K

Super Mom 5K/10K/Half Marathon - Portland (Washougal)

Washougal, Washington, United States

10 May, 2026 (Sun)

Running

5K 10K Half-Marathon +5

San Juan Island Half

Friday Harbor, Washington, United States

09 May, 2026 (Sat)

Running

Half-Marathon 0.6K

Snohomish Women's Run

Everett, Washington, United States

09 May, 2026 (Sat)

Running

Half-Marathon 10K 5K +2

Luau 5K, 10K, & 13.1M at Everett, WA (19)

Everett, Washington, United States

09 May, 2026 (Sat)

Running

5K 10K Half-Marathon

Luau 5K, 10K, & 13.1M at Olympia, WA (19)

Olympia, Washington, United States

09 May, 2026 (Sat)

Running

5K 10K Half-Marathon

Kirkland Half Marathon & 5K

Kirkland, Washington, United States

03 May, 2026 (Sun)

Running

5K Half-Marathon 1K

Luau 5K, 10K, & 13.1M at Everett, WA (18)

Everett, Washington, United States

02 May, 2026 (Sat)

Running

5K 10K Half-Marathon

Never Say Never Half Marathon & 10K

Tieton, Washington, United States

02 May, 2026 (Sat)

Running, Walking

Half-Marathon 10K