EnduroCalc – Your Smart Endurance Sports Calculator Stay in control of your training and race planning with EnduroCalc: precisely calculate your target time, pace, or speed for running, cycling, and swimming – or combine everything in triathlon mode. Whether you’re training for a half marathon, preparing for a triathlon, or chasing a new personal best – EnduroCalc is your compact and reliable everyday tool for endurance athletes. Features at a Glance: Flexible Pace Calculators • Calculate the required pace for your target time in running, cycling or swimming • Choose between minutes per kilometer, minutes per mile, minutes per 100m, or km/h Triathlon Mode • Calculate your times for swim, bike and run individually – or as a total • Supports all distances (Sprint, Olympic, Half & Full) • Quick templates for common triathlon formats CSS Calculator for Swimming • Determine your individual CSS (Critical Swim Speed) using a 2-part test (e.g. 400m + 50m) • Visual training zones from recovery to VO₂max • Includes automatic history to track your progress Minimalist. Clear. Ad-Free. EnduroCalc is intentionally simple – so you can focus on what matters: your training. No ads, no distractions. Built by endurance athletes, for endurance athletes.
