🏃 Running Calculators

Tools to optimise your training and race strategy

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Jeffing Calculator

Master the run-walk method with precision. Calculate optimal intervals and predict your finish time with optional fast finish strategies.

  • Run/walk interval optimisation
  • Fast finish planning
  • Distance per cycle calculation
  • Effective pace calculation
Open Jeffing Calculator →
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Pace Table Generator

Generate time tables for track workouts. Perfect for interval training and understanding pace progression across common track distances.

  • Customisable pace ranges
  • Multiple distance targets
  • Track split calculations
  • Export-ready tables
Open Pace Table →