-jogging; 1:36 on a ski machine; 1:15 on a step machine; 1:36 on an exercise bike; and 1:36 on a rowing machine.10. I need strong legs for running, why should I work on my upper body?There's no doubt that your legs are your main priority when it comes

got the hang of it yet. Going back for another soon! Beanie1 Join the thread No thanks... Calorie Confusion I ran 12.5 miles today which should in theory be around 1200 calories burnt. Where does your body take the calories from while you

:48 and on that day I passed through the half at 1:47 and 25km at 2:09, which was also a PB. I think it works better for longer distances - I've done sub four minutes for 1K and 23 mins for 5K but never dipped under 48 for 10K. I can run fast for short distances