I find most privacy policies difficult to understand and I guess it might be the same for you. So, I'll go straight to the point and list all the information this website temporarily keeps:
And that's all. No more. No less. None of that is personal identifiable information. Also, both items are discarded once you sign out.
Have fun! 🚴🏻♂️ 🏃♂️ 🏊♀️ 🏋️♂️