While it’s true you don’t need any tech or gad­gets to run, there are a lot of them out there that are fun to use or can pro­vide you with data, moti­vat­ing insights or that can enrich your work­out. I’ve come across three gad­gets and new tech­nolo­gies late­ly that caught my atten­tion — and that I’d like to briefly intro­duce to you. Whoop 4.0 Descrip­tion: the Whoop 4.0 is a fit­ness track­er that col­lects data about recov­ery, strain and sleep per­for­mance. «From these fig­ures, it offers advice on how you should bal­ance your train­ing and rest to achieve peak ath­let­ic per­for­mance,» Har­ry Bull­more writes on Live­Science. What sounds like any oth­er fit­ness track­er on the mar­ket, has its USPs: the band itself is screen­less, IP68 dust­proof and water-resis­­tant at depths of up to 10 meters for two hours. The lack of GPS might be anoth­er con for some of us, but on the data sight the Whoop is show­ing off, as «it is the mul­ti-dimen­­sion­al approach to cal­cu­lat­ing recov­ery that is the jew­el in the Whoop …