Boise

Boise carries most of Idaho's race calendar, anchored by two of the state's longest-running traditions: the YMCA Famous Idaho Potato Marathon each May, and Race to Robie Creek, a half marathon that climbs into the foothills outside the city and has been a spring rite of passage for Treasure Valley runners for more than four decades. The Boise River Marathon and Boise Half Marathon round out the road calendar, while a dense lineup of 5Ks — from the YMCA St. Patrick's Day Run to the Telaya and Indian Creek wine runs — fills in nearly every spring weekend. IRONMAN 70.3 Boise brings a half-distance triathlon to town each July.