Interval treadmill workouts are an excellent way to improve cardiovascular endurance, burn calories efficiently, and build running speed and strength. These workouts alternate between periods of high-intensity effort and lower-intensity recovery, maximizing fitness benefits in a short amount of time. Below is a breakdown of 25-minute treadmill interval workouts designed for different fitness levels, ranging from beginner to advanced.

25 Minute Interval Treadmill Workout Level 3 Time Counts Down

 

25 Minute Interval Treadmill Workout Level 3 Time Counts Up

 

25 Minute Interval Treadmill Workout Level 4 Time Counts Down

 

25 Minute Interval Treadmill Workout Level 4 Time Counts Up

 

25 Minute Interval Treadmill Workout Level 5 Time Counts Down

 

25 Minute Interval Treadmill Workout Level 5 Time Counts Up

 

25 Minute Interval Treadmill Workout Level 6 Time Counts Down

 

25 Minute Interval Treadmill Workout Level 6 Time Counts Up

 

25 Minute Interval Treadmill Workout Level 7 Time Counts Down

 

25 Minute Interval Treadmill Workout Level 7 Time Counts Up

 

25 Minute Interval Treadmill Workout Level 8 Time Counts Down

 

25 Minute Interval Treadmill Workout Level 8 Time Counts Up

 

25 Minute Interval Treadmill Workout Level 9 Time Counts Down

 

25 Minute Interval Treadmill Workout Level 9 Time Counts Up

 

25 Minute Interval Treadmill Workout Level 10 Time Counts Down

 

25 Minute Interval Treadmill Workout Level 10 Time Counts Up

 

25 Minute Interval Treadmill Workout Level 11 Time Counts Down

 

25 Minute Interval Treadmill Workout Level 11 Time Counts Up

 

25 Minute Interval Treadmill Workout Level 12 Time Counts Down

 

25 Minute Interval Treadmill Workout Level 12 Time Counts Up