Train Smart for the Half Distance Triathlon Boise: Conquer 70.3 Miles with Confidence in Idaho’s Capital - With a 1.2-mile swim in the calm, wetsuit-friendly waters of Lucky Peak Reservoir, a rolling 56-mile bike ride through the scenic outskirts of Boise, and a flat, fast 13.1-mile run along the Boise River Greenbelt, this event is as rewarding as it is challenging. Our 36-Week Advanced Half Distance Triathlon Training Plan is designed to prepare you for every aspect of the Boise ...