This application is your ally for various aspects of your training:It improves your training by allowing you to accurately calculate your speed and pace during your sessions on the track.It also offers several other modules:A tabata trail timer offering three difficulty levels, as well as a customizable mode.A device specially designed for planning lactate shuttle sessions on the track.An advanced stopwatch, offering coaches the ability to export split times in .csv format and to assess the VMA time limit.A calculation tool dedicated to the preparation of energy drinks, adapting the composition of glucose, fructose and sodium according to the carbohydrate content of the container.Access to the My OptimizTrail account allowing you to follow all your activities and know the load level of your run thanks to the SAUZ gauge.