RunCalc+ is a very functional and useful calculator for runners. It will help you plan your training and track your progress.

The app has many functions
- pace and speed calculator
- distance converter (imperial and metric units)
- stride length
- split times calculator(negative, positive and even)
- race time predictor (based on your last run)
- VO2max and vVO2max (using your race time)
- age-grading (this will help you compare your results with runners of other sex and/or age)
- racing weight calculator
- heart rate zones calculator
- more functions to come!

RunCalc+ is a very useful tool for both beginners and experienced runners. The minimalistic and clear design makes the app very easy to use.
The app is completely free. All functions are available straight away after download.