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

Sep

12

National Chocolate Day: Run for Chocolates 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

Running

5K 10K Half-Marathon 1.6K +2

Sep

12

Cascade Express Marathon & Half Marathon

North Bend, Washington, United States

Running

Marathon Half-Marathon

Sep

12

Overcomer 5K & 13.1 Mile Half Marathon

Pasco, Washington, United States

Running

5K Half-Marathon

Sep

12

Medal Madness 5K, 10K, & 13.1M at Olympia, WA (37)

Olympia, Washington, United States

Running

5K 10K Half-Marathon

Sep

12

Beat the Blerch

Carnation, Washington, United States

Running

5K 10K Half-Marathon Marathon

Sep

12

Medal Madness 5K, 10K, & 13.1M at Everett, WA (37)

Everett, Washington, United States

Running

5K 10K Half-Marathon

Sep

12

Medal Madness 5K, 10K & 13.1M at Camas, WA (37)

Camas, Washington, United States

Running

5K 10K Half-Marathon

Sep

05

Medal Madness 5K, 10K, 13.1M & 26.2M at Everett, WA (36)

Everett, Washington, United States

Running

5K 10K Half-Marathon

Aug

29

Medal Madness 5K, 10K, 13.1M at Vancouver, WA (35)

Vancouver, Washington, United States

Running

5K 10K Half-Marathon

Aug

29

Run to Breast Cancer 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

Running

5K 10K Half-Marathon 1.6K +2

Aug

29

PeaceHealth Appletree Marathon

Vancouver, Washington, United States

Running

5K Marathon Half-Marathon +2

Aug

22

Ninja 5K, 10K, & 13.1M at Camas, WA (34)

Camas, Washington, United States

Running

5K 10K Half-Marathon