Race Discovery

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

190 events found

Echo Valley logo
May
30

Echo Valley

Chelan, Washington, United States
Trail running Running
10K Half-Marathon Ultra 1.6K +3
Run for Mental Health 5K/10K/13.1 Seattle logo
May
23

Run for Mental Health 5K/10K/13.1 Seattle

Seattle, Washington, United States
$30.00 - $60.00
Running
5K 10K Half-Marathon 1.6K +14
Memorial Day Run 5K/10K/13.1 SEATTLE logo
May
23

Memorial Day Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States
Running
5K 10K Half-Marathon 1.6K +2
Luau 5K, 10K, & 13.1M at Spokane, WA (21) logo
May
23

Luau 5K, 10K, & 13.1M at Spokane, WA (21)

Spokane, Washington, United States
Running
5K 10K Half-Marathon
Luau 5K, 10K, & 13.1M at Olympia, WA (21) logo
May
23

Luau 5K, 10K, & 13.1M at Olympia, WA (21)

Olympia, Washington, United States
Running
5K 10K Half-Marathon
Luau 5K, 10K, & 13.1M at Camas, WA (21) logo
May
23

Luau 5K, 10K, & 13.1M at Camas, WA (21)

Camas, Washington, United States
Running
5K 10K Half-Marathon
Reflection Run logo
May
17

Reflection Run

Washougal, Washington, United States
Running
Half-Marathon 10K 5K +2
Soaring Eagle Trail Run logo
May
16

Soaring Eagle Trail Run

Sammamish, Washington, United States
Trail running Running
5K Half-Marathon 10K 1K +2
Luau 5K, 10K, & 13.1M at Everett, WA (20) logo
May
16

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

Everett, Washington, United States
Running
5K 10K Half-Marathon
Capital City Marathon logo
May
16

Capital City Marathon

Olympia, Washington, United States
Running
1.9K Marathon Half-Marathon 8K
Luau 5K, 10K, & 13.1M at Pasco, WA (20) logo
May
16

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

Pasco, Washington, United States
Running
5K 10K Half-Marathon
Super Mom 5K/10K/Half Marathon - Portland (Washougal) logo
May
10

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

Washougal, Washington, United States
Running
5K 10K Half-Marathon +5