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Washington Races in May

Browse upcoming marathons, half marathons, 5Ks, 10Ks, trail runs, and triathlons happening in May.

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Running & Triathlon Races

May 1, 2027

Tacoma City Marathon, Half Marathon & 5K

Tacoma
May 1, 2027

Walk/Run for the Animals

Vancouver
May 1, 2027

Spring Classic Duathlon

Vancouver
May 1, 2027

Sun Mountain 50M/50K/25K

Winthrop
May 2, 2027

Bloomsday Run

Spokane
May 2, 2027

May the Course be With You 5K

Seattle
May 2, 2027

Kirkland Half Marathon and 5K

Seattle
May 8, 2027

San Juan Island Half

Friday Harbor
May 8, 2027

Snohomish Women's Run

Snohomish
May 15, 2027

Run Like a Girl

Bellingham
May 15, 2027

Capital City Marathon, Half Marathon & 5 Mile

Tacoma
May 15, 2027

Soaring Eagle

Seattle
May 16, 2027

Windermere Marathon

Spokane
May 29, 2027

Leavenworth Trail Fest

Leavenworth
May 29, 2027

Big River Race

Pasco
May 30, 2027

Ski to Sea

Bellingham