EnduroCalc

EnduroCalc – Your smart endurance calculator

Plan your training and race days simply and reliably with EnduroCalc.
Calculate your target time, pace, or energy needs – for running, cycling, swimming, or triathlon.

Whether you’re preparing for a half marathon, a long-distance triathlon, or optimizing your race nutrition – EnduroCalc is your minimalist everyday tool for endurance athletes.

Features

Flexible pace calculators
• Calculate the pace you need for a given target time
• Supports min/km, min/mi, min/100 m, km/h, mph

Triathlon mode
• Calculate times for each segment or the full triathlon
• Includes templates for sprint, Olympic, 70.3, and full distance
• Optional: transition times and target finish time

CSS calculator for swimming
• Determine your individual CSS value based on two swim times
• Visual training zones (from recovery to VO₂max)
• Automatic history tracking for progress

New carbohydrate calculator
• Calculate your individual carb needs for endurance sports
• Generate a personalized nutrition plan (incl. triathlon support)
• Choose your products (gels, bottles, bars) and export as PDF

Minimalist. Clear. Ad-free.

EnduroCalc is designed to help you focus on what matters: your training.
No ads. No clutter. Built by endurance athletes – for endurance athletes.