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Another tool that I wanted but couldn't find, RunTools is a set of calculators that allow you to do pace calculations, time additions, and other running-specific operations with a more streamlined interface and fewer taps.

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This app was developed by Lily Gentner as a tool for runners and coaches. No data is collected.


I am actively working on developing new features for this app. If you have any questions, comments, or suggestions, please email me at