Yes!! I ran for 20 minutes without stopping !! Haven't done that since cross country at school over 30 years ago! Legs felt ok and I got my breathing just about right. I remember someone posting that the 20 minute run was like running 5 minutes, 4 times. That helped keep me going and I kind of imagined in my head that I had just walked the previous 5 minute run to trick my mind a bit! Fabulous feeling!