Leadman Triathlon (April 20): Organized by Kellogg Rotary Club, and based at Silver Mountain Resort, this adventure course event for solo or team competitors begins on Kellogg Peak and includes skiing/snowboarding, mountain biking, and running.  

Ski to Sea (May 26): A multi-sport relay adventure race for teams of 3-8 people starts at Mt. Baker Ski Area and finishes in Bellingham Bay—includes cross-country and downhill skiing/snowboarding, road and cyclocross biking, canoeing, downhill running, and sea kayaking.

Troika Triathlon (June 1): This popular event at Medical Lake’s Waterfront Park includes an Olympic course, collegiate Olympic course, sprint course, duathlon (5k run/40k bike/10k run), aquabike (1.5k swim/40k bike), and half distance triathlon.

Moses Lake Tri: For the Health of It! (June 8): Olympic, Sprint, and USAT Retro distances, plus a Duathlon, for solo participants or 2-3 person relay teams—all at Blue Heron Park in Moses Lake, Wash., and organized by BuDu Racing.

Valley Girl Triathlon & Duathlon (July 21): A popular women-only event at Medical Lake’s Waterfront Park that includes sprint and Olympic distance triathlons and a duathlon. Register as a relay team or individual.  

Tiger Tri & Tiger-Du (July 20): Organized by Negative Split and based in Colville, Wash., event includes 1k swim at Lake Gillette, 40k bike, and 10k run. Duathlon added this year (40k bike and 10k run).

Priest Lake Triathlon (August 24): Choose between an Olympic distance triathlon or a sprint mountain bike distance; start/finish near Hill’s Resort.  

Clark Fork Adventure Challenge (Sept. 15): This event in Plains, Mont., includes an 8-mile run, 8-mile kayak paddle down the Clark Fork River, and 15-mile mountain bike; complete solo or with a team (also a “lite” version). Organized by the Clark Fork Valley Hospital Foundation.