Train Smart for the Half Distance Triathlon Washington Tri-Cities Personalized Coaching | Science-Backed Structure | Proven Results Whether you're new to triathlon or returning with renewed focus, our 36-week Half Distance Triathlon Washington Tri-Cities Training Plan is designed to prepare you—step-by-step—for success on race day. With a downstream river swim, a rolling 56-mile bike through wine country, and a flat scenic run along the Columbia River, you'll need a plan that matches the ...