RUNNING TOOLS & CALCULATORS
Essential free tools to optimize your running training, track progress, and reach your goals
Choose Your Running Tool
Select from our collection of scientifically-based calculators designed specifically for runners
Pace Calculator
Calculate pace, time, or distance for your runs
- Calculate min/km pace from time and distance
- Predict finish time for any distance
- Quick presets for 5K, 10K, Half, Marathon
Race Time Predictor
Predict race times based on current performance
- Based on Riegel's formula
- Predict marathon time from 5K result
- Set realistic race goals
VO2 Max Calculator
Estimate your aerobic fitness level
- Daniels & Gilbert formula
- Age and gender adjusted results
- Fitness category classification
Training Pace Calculator
Calculate optimal training zones and paces
- Based on Jack Daniels' VDOT system
- 6 training zones: Easy, Tempo, Intervals
- Personalized for your fitness level
Calorie Burn Calculator
Track calories burned during your runs
- Based on MET values for running
- Weight, distance, and pace factors
- Fun food equivalents
BMI Calculator
Calculate your Body Mass Index
- Quick health assessment
- Kg/lbs and cm/ft conversion
- WHO category classification
Why Use Our Running Tools?
Scientifically Accurate
Based on proven formulas from running science research and coaching methods
Easy to Use
Simple interfaces with instant results. No registration or complex setup required
Personalized Results
Tailored calculations based on your specific data, fitness level, and goals
Ready to Start Training?
Check out our structured training programs designed for all distances and experience levels
View Training Programs