Half-Marathon races near Seattle, Washington — 2026 running calendar
41 events found
Jun
06
SuperHeroes Run 5K/10K/13.1 SEATTLE
Seattle, Washington, United States
Running
5K
10K
Half-Marathon
1.6K
+2
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
May
23
Memorial Day Run 5K/10K/13.1 SEATTLE
Seattle, Washington, United States
Running
5K
10K
Half-Marathon
1.6K
+2
May
02
Sunrise Marathon 5K/10K/13.1 SEATTLE
Seattle, Washington, United States
Running
5K
10K
Half-Marathon
1.6K
+2
May
02
Cinco De Mayo Run 5K/10K/13.1 SEATTLE
Seattle, Washington, United States
Running
5K
10K
Half-Marathon
1.6K
+2
SuperHeroes Run 5K/10K/13.1 SEATTLE
Seattle, Washington, United States
Jun 6, 2026 (Sat)
Running
5K
10K
Half-Marathon
1.6K
+2
Run for Mental Health 5K/10K/13.1 Seattle
Seattle, Washington, United States
May 23, 2026 (Sat)
– Nov 14, 2026
$30.00 - $60.00
Running
5K
10K
Half-Marathon
1.6K
+14
Memorial Day Run 5K/10K/13.1 SEATTLE
Seattle, Washington, United States
May 23, 2026 (Sat)
Running
5K
10K
Half-Marathon
1.6K
+2
Sunrise Marathon 5K/10K/13.1 SEATTLE
Seattle, Washington, United States
May 2, 2026 (Sat)
Running
5K
10K
Half-Marathon
1.6K
+2
Cinco De Mayo Run 5K/10K/13.1 SEATTLE
Seattle, Washington, United States
May 2, 2026 (Sat)
Running
5K
10K
Half-Marathon
1.6K
+2