Measure your sprint times for various distances, including the 40-yard dash, and compare them to friends and professional athletes. Upload video proof to claim bragging rights and see how you stack up.
What's Your 40 by Good Ball L.L.C






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40X is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.






Measure your sprint times for various distances, including the 40-yard dash, and compare them to friends and professional athletes. Upload video proof to claim bragging rights and see how you stack up.



Accurately time sprints using video analysis. This app provides precise sprint measurements, eliminating the inaccuracies of manual stopwatches and expensive laser systems. Ideal for athletes and coaches seeking verifiable performance data.




This app measures athletic performance metrics like speed, agility, and reaction time with a wearable sensor. It allows athletes to track progress, visualize improvements, and access training content to enhance their performance.