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

July 4th Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

Jul 4, 2026 (Sat)

Running

5K 10K Half-Marathon 1.6K +2

Run for Chocolate 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

Jul 4, 2026 (Sat)

Running

5K 10K Half-Marathon 1.6K +2

Eagle 5K, 10K, & 13.1M at Olympia, WA (27)

Olympia, Washington, United States

Jul 4, 2026 (Sat)

Running

5K 10K Half-Marathon

Medal Madness 5K, 10K, & 13.1M at Olympia, WA (26)

Olympia, Washington, United States

Jun 27, 2026 (Sat)

Running

5K 10K Half-Marathon

Medal Madness 5K, 10K, & 13.1M at Camas, WA (26)

Camas, Washington, United States

Jun 27, 2026 (Sat)

Running

5K 10K Half-Marathon

Medal Madness 5K, 10K, & 13.1M at Spokane, WA (26)

Spokane, Washington, United States

Jun 27, 2026 (Sat)

Running

5K 10K Half-Marathon

Tiger Peak Challenge

Issaquah, Washington, United States

Jun 27, 2026 (Sat)

Trail running, Running

8K Half-Marathon Ultra 1K

Run Juneteenth Day 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

Jun 20, 2026 (Sat)

Running

5K 10K Half-Marathon 1.6K +2

Sloth Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

Jun 20, 2026 (Sat) – Aug 29, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Medal Madness 5K, 10K, & 13.1M at Pasco, WA (25)

Pasco, Washington, United States

Jun 20, 2026 (Sat)

Running

5K 10K Half-Marathon

Medal Madness 5K, 10K, & 13.1M at Everett, WA (25)

Everett, Washington, United States

Jun 20, 2026 (Sat)

Running

5K 10K Half-Marathon

Snoqualmie Valley Half

Carnation, Washington, United States

Jun 20, 2026 (Sat)

Running

10K Half-Marathon