Performance calculators for runners, cyclists, and athletes: pace, speed, intervals, and race projections.
Running Pace Calculator
Calculate average running pace from distance and total time
Cycling Pace Calculator
Calculate average cycling pace from distance and total time
Rowing Pace Calculator
Calculate average rowing pace from distance and elapsed time
Swim Pace Calculator
Calculate average swim pace from distance and total time
Average Speed From Distance Time Calculator
Calculate average speed in km per hour from distance and time
Race Time Improvement Percentage Calculator
Calculate percentage improvement between race times
Training Load Change Calculator
Calculate percentage change in training load values
Interval Session Total Time Calculator
Calculate total time for a full interval workout session
Race Time Projection Riegel Calculator
Project race time at a target distance using Riegel model
Interval Workout Total Time With Rest Calculator
Calculate full interval workout duration including warmup and cooldown
Training Pace Zones From Threshold Calculator
Estimate easy tempo and interval paces from threshold pace
Average Speed From Split And Rest Calculator
Compare moving speed and overall speed including stoppage time