Upcoming ultra marathons in and near Seattle, Washington. Use filters to quickly find races by month or race type.
More races: USA running calendar
Date Race Distance Location hf:tax:monthandyear hf:tax:typerace 06/08/2024 Vashon Island Ultramarathon & Trail Run 10M, 20M, 50K Vashon Island WA 06-june trail 11/09/2024 Grand Ridge Trail Run 13.1M, 26.2M, 50K, 5M Issaquah WA 11-november trail 06/29/2024 Tiger Peak Challenge 50K 13.1M, 50K, 5M Issaquah WA 06-june trail 12/14/2024 Pigtails Run 13.1M, 26.2M, 50K Maple Valley WA 12-december trail 08/17/2024 Olympic Mountains Trail Races 100K, 25K, 50K Quilcene WA 08-august trail 09/07/2024 GOAT Run 13.1M, 26.2M, 50K Port Angeles WA 09-september trail 07/06/2024 Kill Bill’s Oyster Dome Challenge 25k/ 50k 25K, 50K Alger WA 07-july trail 09/21/2024 Teanaway Country 100 & Teeny-Way 50k 100M, 50K Cle Elum WA 09-september trail 08/02/2024 Dark Divide Trail Races 100M, 15M, 50K Randle WA 08-august trail 09/14/2024 Plain Endurance Runs 100K, 100M Leavenworth WA 09-september trail 10/05/2024 Baker Lake 50K 50K Baker Lake WA 10-october trail 06/28/2024 Ross Lake Rally 12M, 26.2M, 40M North Cascades National Park WA 06-june trail 08/09/2024 Bigfoot 200 Mile, 40 Mile, and 20 Mile Trail Race 200M, 20M, 40M Cougar WA 08-august trail 08/03/2024 Volcanic 50 25K, 50K Cougar WA 08-august trail 06/01/2024 Echo Valley Trail Run 10K, 13.1M, 50K Chelan WA 06-june trail 09/27/2024 Sawtooth Backcountry 15M, 20M, 30M Twisp WA 09-september trail 06/30/2024 Hellz Bellz Ultra 26.2M, 50M Yacolt WA 06-june trail 08/31/2024 Three Corner Rock PCT 50K 50K Carson WA 08-august trail 02/15/2025 Hagg Lake Mud Runs 25K, 50K Gaston OR 02-february trail 07/20/2024 Wy’east Trailfest 14K, 28K, 50K Mt. Hood OR 07-july trail 07/20/2024 Wy’east Trailfest 14K, 28K, 50K Mount Hood OR 07-july trail 08/03/2024 Hood Hundred 100M 100M Mount Hood OR 08-august trail 07/13/2024 Ultramook 50k on the Tillamook Ridge 30K, 50K Tillamook OR 07-july trail 07/13/2024 Mt Hood Trail Runs 25K, 50K, 50M Clackamas Lake OR 07-july trail 11/01/2024 Silver Falls Trail Runs 13.1M, 26.2M, 50K, 5K, 7M Silverton OR 11-november trail 08/10/2024 Angry Owl Ultramarathons 12H, 24H, 6H Salem OR 08-august 09/21/2024 Mountain Lakes 100 100M Olallie Lake OR 09-september trail 11/09/2024 Run the Rock 13.1M, 20M, 50K, 50M Terrebonne OR 11-november trail 09/21/2024 Three Sisters Skyline 13.1M, 50K Sisters OR 09-september trail 06/08/2024 Kaniksu 50 100K, 13.1M, 29K, 50K, 50M Frater Lake WA 06-june trail 10/05/2024 Perpetua Coast Trail 13.1M, 20M, 50K Yachats OR 10-october trail 12/14/2024 Frozen Trail Run Fest 15K, 25K, 50K, 5K Eugene OR 12-december trail
