12 Hours Ultra Running Events in Washington

All 50 KM 50 Miles 100 KM 100 Miles 6 Hours 12 Hours 24 Hours

Date	Event	City	Distances
08/01/26	Hamster Endurance Runs	Bellingham	6 Hours , 12 Hours , 24 Hours , 32 Hours
08/08/26	ZERO DARK ULTRA	SPOKANE	12 Hours , 12 Hours , 24 Hours
08/15/26	One Step Closer	Seattle	6 Hours , 12 Hours , 18 Hours
09/04/26	Freedom Ultra Festival	Bonney Lake	6 Hours , 12 Hours , 24 Hours , 50 KM , 50 Miles , 100 KM , 100 Miles , 200 Miles
09/05/26	The Long Watch	Woodland	6 Hours , 12 Hours , 24 Hours
09/12/26	McCormick 24	Gig Harbor	12 Hours , 12 Hours , 24 Hours
10/24/26	Carkeek 12 Hour	Seattle	6 Hours , 12 Hours
03/27/27	Dizzy Daze	Seattle	5 Hours , 12 Hours

Date	Event	City	Distances
06/06/26	Forge Run	Anacortes	12 Hours
05/30/26	Lake Tye Challenge	Monroe	6 Hours , 12 Hours
05/09/26	Running Up For Air - Chuckanut Chinscraper	Bellingham	6 Hours , 12 Hours
04/25/26	Twilight 12 Hour	Cle Elum	9 Hours , 12 Hours
04/18/26	Cottontail 6 & 12 Hour	Seattle	6 Hours , 12 Hours
04/18/26	Running Up For Air - Tiger Mountain	Issaquah	6 Hours , 12 Hours
03/28/26	Last Fool Standing, 24 & 12 hour Runs	Poulsbo	Backyard , 12 Hours , 24 Hours , 48 Hours
03/14/26	Jill's Twelve Hour Run, Marathon & Half Marathon	Lynnwood	12 Hours , 50 KM
03/14/26	Little Backyard Adventure	Olympia	6 Hours , 12 Hours
12/20/25	Winter Solstice Vertical Challenge	Quilcene	8 Hours , 12 Hours
08/30/25	Millersylvania 50k	Olympia	12 Hours , 50 KM
05/11/24	Ft Steilacoom Fatass Run	Lakewood	6 Hours , 12 Hours , 24 Hours
09/16/23	Rock Candy Mountain Run	Olympia	12 Hours , 50 KM
04/01/23	Roots Rock Around the Clock	Port Gamble	Backyard , 12 Hours , 24 Hours
06/06/20	Northern Lights	La Conner	6 Hours , 12 Hours , 24 Hours
05/02/20	Battle Point Endurance Run	Bainbridge Island	6 Hours , 8 Hours , 10 Hours , 12 Hours
04/13/19	Squak Squall	Issaquah	12 Hours , 24 Hours
05/16/15	Redmond Watershed Preserve 12 hour Trail Run	Redmond	12 Hours
08/10/14	Transcendence Ultra	Olympia	12 Hours
05/18/13	Watershed Reserve	Redmond	12 Hours