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Half Marathon Races in Washington (Page 3)

Browse 115+ upcoming half marathon races in Washington.

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RIVER RIDGE ULTRA

Oct 10, 2026
Spokane, WA
30M9M9M
61°
40°
6%

Defiance 50K

Oct 10, 2026
Tacoma, WA
31.1M31.1M18.6M9.3M
62°
48°
16%

Haunted 5K, 10K & 13.1M at Olympia, WA (41)

Oct 10, 2026
Olympia, WA
13.1M10K5K
62°
42°
18%

Haunted 5K, 10K, & 13.M at WA (41)

Oct 10, 2026
Everett, WA
13.1M10K5K
59°
47°
15%

Haunted 5K, 10K, and 13.1

Oct 10, 2026
Olympia, WA
13.1M10K5K
62°
42°
18%

Haunted 5K, 10K, & 13.1M at Everett WA (41)

Oct 10, 2026
Everett, WA
13.1M10K5K
59°
47°
15%

The Spokane Marathon

Oct 11, 2026
Spokane, WA
26.2M13.1M10K0.33M
60°
40°
6%

Sun City Barry James Memorial 5K and Half Marathon

Oct 11, 2026
Yakima, WA
13.1M3.1M
66°
37°
3%

Pumpkin Spice Run

Oct 11, 2026
Seattle, WA
400M10K5K1M
62°
48°
13%

Snohomish River Run

Oct 11, 2026
Snohomish, WA
26.2M13.1M10K5K
59°
42°
23%

Spokane Marathon

Oct 11, 2026
Spokane, WA
26.2M26.2M13.1M10K
60°
40°
6%

Lake Washington Half Marathon

Oct 17, 2026
Kirkland, WA
13.1M
60°
46°
19%

Haunted 5K, 10K, 13.1, Everett, WA (42)

Oct 17, 2026
Everett, WA
13.1M10K5K
57°
46°
17%

Haunted 5K, 10K, & 13.1M, Pasco, WA (42)

Oct 17, 2026
Pasco, WA
13.1M10K5K
65°
43°
2%

Haunted 5K, 10K & 13.1M at Everett, WA (42)

Oct 17, 2026
Everett, WA
13.1M10K5K
57°
46°
17%

Haunted 5K, 10K, and Half Marathon

Oct 17, 2026
Pasco, WA
13.1M10K5K
65°
43°
2%

Haunted 5K, 10K, 13.1

Oct 17, 2026
Everett, WA
13.1M10K5K
57°
46°
17%

Haunted 5K, 10K, & 13.1M at Pasco, WA (42)

Oct 17, 2026
Pasco, WA
13.1M10K5K
65°
43°
2%

Girlfriends Run

Oct 18, 2026
Vancouver, WA
13.1M10K4.5M4M
63°
44°
16%

Girlfriends Run for a Cure

Oct 18, 2026
Vancouver, WA
13.1M10K
63°
44°
16%
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