RunDEX

Hirt Fitness

About this app

The most complete set of tools and calculators for Runners. Save any calculation with a custom name.
Running tools and running calculators include
- Heart Rate Training Zones (calculate your heart rate zones using maximum heart rate)
- Max Heart Rate Calculator (uses your age)
- Pace Distance Time Conversion
- Distance Conversion (miles, KM, yards and meters)
- Pace Conversion (convert KM per minute to miles per minute and vice versa)
- Running Splits/ Lap Generator (create splits table for any distance and time)
- Age Grade Calculator (calculate your age grade from a recent race result)
- General Race Predictor (predict a race time from using a previous result)
- Slate/Vickers Marathon Predictor (predict your marathon time based on training mileage and a recent race result)
- Yasso 800s (calculator to work out Yasso workout session times)
- Percent Calculator
- Percent Calculator (time)
- Percentage of Calculator
- Percentage of Calculator (time)
- Percentage Improvement Calculator (time)

What’s new

New Time until Race calculator. Workout how many days and weeks until your next race.