Half Marathons in Washington 2026 | Upcoming Races & Dates

There are 102 half marathons in Washington scheduled for 2026. The next is the Haunted 5K, 10K & 13.1M at Camas, WA (43) in Camas on October 24. Washington half marathons run primarily October.

Run for the Gnomes Half Marathon & 5K

Sat, Oct 2 · Maple Valley, WA Maple Valley

Run for the Gnomes 5KRun for the Gnomes 5KRun for the Gnomes Half Marathon +1

From $32 Open

Running Scared 5K/13K - Spokane

Sat, Oct 9 · Spokane, WA Spokane

Scaredy Cat 5KVirtual Scaredy Cat 5KScaredy Cat 5K +9

From $35 Closed

Running Scared 5K/13K - Portland (Washougal)

Sat, Oct 9 · Washougal, WA Washougal

Virtual Scaredy Cat 5KScaredy Cat 5KVirtual Scaredy Cat 5K +9

From $25 Closed

Running Scared 5K/13K - Richland

Sun, Oct 10 · Richland, WA Richland

Scaredy Cat 5K-No ShirtScaredy Cat 5KScaredy Cat 5K-No Shirt +13

From $30 Closed

Half Marathons in Washington — 2026

Run for the Gnomes Half Marathon & 5K

Running Scared 5K/13K - Spokane

Running Scared 5K/13K - Portland (Washougal)

Running Scared 5K/13K - Richland

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