Triathlon Calc

Triathlon Calc is a fast triathlon calculator and race planner for swim, bike, and run. Set a target finish time or input your paces to instantly get leg splits, transition estimates, and total time. Built for Sprint, Olympic, 70.3, and Ironman distances, it helps athletes plan smarter and race with confidence. Core features include accurate split and pace calculations, customizable race templates with transitions, and unit support for meters, yards, km, mph, and kph. Advanced tools help estimate nutrition and hydration needs, convert units, and derive training zones from threshold metrics. Ideal for triathletes, coaches, and time-crunched athletes who want a simple, reliable triathlon calculator and race day planner.