Welcome to Your Running Calculator Hub!

Your one-stop destination for essential running calculations. Whether you're training for a 5K or a marathon, our tools can help you plan your runs, predict race times, and understand your performance metrics.

Select a calculator below to get started. All tools are free to use!

Essential Runner's Toolkit

Convert pace, speed, distance, and time. The basics every runner needs.

Race Performance & Goal Setting

Predict race times, calculate target paces, and plan your splits.

Training Zone & Effort Guide

Estimate VO2 Max, find your training paces, and calculate heart rate zones. Includes Track Lap Calculator.

Pace Chart Generator

Create custom pace charts for various distances and pace ranges.

Running Form & Efficiency

Simple tools for cadence and stride length estimation.