Swim Bike Run Calculators

Welcome to the Swim Bike Run Calculators page. You will find a variety of calculators for each discipline which you may find useful. As athletes ourselves we have developed these calculators to answer questions we commonly ask.


  • Swimming Split Calculator
    Used to calculate the number of laps and lap time to swim a given distance in a given time
  • Swimming Pace Calculator
    You can use the Swimming Pace Calculator calculator to calculate the pace you need to swim at for a given distance. Results are given for 100 yards / 100 meters and Km per hour
  • Swimming Expectations Calculator
    You can use the Swimming expectations calculator to calculate race expectation times on other distances based on given time over a given distance. These calcs are done based on work by Peter Riegel
  • Swimming Time Converter Calculator
    Use this Calculator to calculate your time switching between yards and meters. This is useful when you need to compare times across pools of different measurement units such as indoor and outdoor pools. The Short course Indoor pool is 25yards where as long course outdoor in 50 meters.
  • Running Expectations Calculator
    You can use the running expectations calculator to calculate race expectation times on other distances based on given time over a given distance. These calcs are done based on work by Frank Horwill and Peter Riegel
  • Running Split Calculator
    You can use the running race split calculator to calculate you target pace and your target split times when running over a given distance.
  • Running Calories Burned Calculator
    You can use the Running Calories Burned Calculator to estimate the number of Calories a given run will burn
  • Cycling Expectations Calculator
    You can use the Cycling expectations calculator to calculate race expectation times on other distances based on given time over a given distance. These calcs are done based on work by Peter Riegel
  • Cycling Calories Burned Calculator
    You can use the Cycling Calories Burned Calculator to estimate the number of Calories a given cycle will burn
  • Cycling Split Calculator
    You can use the Cycling race split calculator to calculate you target pace and your target split times when Cycling over a given distance.
  • Cycling Power To Weight Calculator
    A calculator that gives you some insight on if it is better to increase your power or reduce to weight to increase you power to weight ratio.
  • Triathlon Race Calculator
    You can use this Calculator to work out on your splits, pace and speed across the swim bike run legs of a triathlon to achieve a given time
  • Duathlon Race Calculator
    You can use this Calculator to work out on your splits, pace and speed across the swim bike run legs of a Duathlon to achieve a given time