Sprint workout for quit fat loss!

This workout is INTENSE and is better for individuals who are already pretty fit, but looking to lose inches and body fat %... 3 days a week is plenty with a clean diet and mixed with weight/resistance training... here goes!

Warm up, light jog and stretches (10 mins)
Sprint 1 (40% speed)(walk back)
Sprint 2 (50% speed)(walk back)
Sprint 3 (60% speed)(walk back)
Sprint 4 (70% speed)(walk back)
Sprint 5 (80% speed)(walk back)
Sprint 6 (90% speed)(walk back)
Sprint 7 (100% speed)(walk back)
Sprint 8 (100% speed)(walk back)