Training Plan is an iPhone application designed by Running.org to assist runners in their training journey. It offers a range of tools to help runners train effectively and reach their running goals. From beginners aiming to complete their first 5k to experienced runners striving to achieve a new marathon personal best, Training Plan provides access to proven training plans that help users stay on track.

With this app, there's no need to rely on printed training schedules pinned to walls; everything you need is conveniently stored on your phone. The 'Pace Calculator' feature helps you determine the pace required to beat your 5k personal best, while the 'Pace Predictor' lets you forecast your marathon time based on your latest half marathon performance.

Developed by passionate runners, Training Plan is a comprehensive tool aiming to support efficient training. Users can also provide feedback to help improve the app further.