H.I.T.T. – High Intensity Interval Training For the next 20 minutes Warm up for 4 minutes. Run at 8.0 kmh for 1 minute (your level 6-7) Walk or slow jog at 5-6 kmh for 2 minutes (your level 5) Run at 9.0 kmh for 1 minute (your level 7-8) Walk or slow jog at 5-6 […]