Endurance Tools

A collection of simple, practical tools designed to help endurance athletes train smarter, pace races better and plan fuelling and performance.

These tools are designed for runners, cyclists and triathletes and will continue to grow over time as more calculators and planning tools are added.

Calculate your average pace per kilometre or mile from your distance and time. Useful for training runs, races and pacing strategies.

Predict your marathon finish time from a recent race result or training effort.

Age grading compares your race time against the best performances for your age and event.

Estimate carbohydrate intake per hour and total fuelling needs for endurance sessions.

Calculate training heart rate zones from maximum heart rate or threshold heart rate for structured endurance training.

Calculate watts per kilogram to assess cycling performance and compare fitness levels.

Estimate sweat rate and hydration needs during training and racing.