This treadmill workout improves cardiovascular fitness and improves speed on hills and flats – perfect for anyone looking to improve pace for an upcoming race or just decrease the boredom of treadmill work.
5 min. easy warmup
1 min. – jog at 0% incline
2 min. – jog at 3-5% incline
1 min. – sprint at 0% incline
1 min. – easy walk
Repeat this 5 min. interval 4-6 times for a 20-30 min. workout
Bonus: For each 2 min. interval (hill), increase the incline .5-1% each time!