As a form of cardio exercise, using a treadmill is an excellent way of burning calories and losing weight. If you're not sure what type of treadmill workout is best suited to you, talk to a certified personal trainer. They can work with you to create a customized treadmill weight loss program.
This workout is 3 rounds

Round 1
1:00 running :30 easy jog x 3
Finisher is a 30 Seconds deadmill push for 3 rounds

Round 2
1:00 reverse walk :30 mountain climbers x 3
Finisher is a 30 Seconds deadmill push for 3 rounds

Round 3
10 seconds x 10 seconds sprints
Finisher is a 30 Seconds deadmill push for 3 rounds