Ever wonder what your favourite celebrity is doing for their cardio? Most likely they are doing interval training on a machine. Here are some examples of my favourites out of the 
30 - 30 Ebook. Treadmill Terror #1
| Walk 3 minutes | Incline 3.5 | 
| Run 1 minutes |  | 
| Walk 4 minutes |  | 
| Run 2 minutes |  | 
| Walk5 minutes | Incline 4.5 | 
| Run 3 minutes |  | 
| Walk 6 minutes |  | 
| Run 4 minutes |  | 
| Walk 7 minutes |  | 
| Run 5 minutes |  | 
| Walk 8 minutes |  | 
| Run 6 minutes |  | 
| Cool Down 5 minutes |  | 
| TOTAL: 45 minutes |  | 
Battle of the Bike #1
| Pedal 5 minutes Warm Up | (choose your own resistance) | 
| Pedal 3 minutes |  | 
| Sprint Intervals on and off for 30s unti 1 minutes |  | 
| Pedal 4 minutes |  | 
| Sprint Intervals on and off for 30s unti 2 minutes |  | 
| Pedal 5 minutes | I | 
| Sprint  Intervals on and off for 30s unti 3 minutes |  | 
| Pedal 6 minutes |  | 
| Sprint Intervals on and off for 30s unti 4 minutes |  | 
| Pedal 7 minutes |  | 
| Sprint Intervals on and off for 30s until 5 minutes |  | 
| Pedal 8 minutes |  | 
| Sprint Intervals on and off for 30s unti 6 minutes |  | 
| Cool Down 5 minutes |  | 
| TOTAL: 45 minutes |  | 
 
Evil Elliptical #1
| Warm Up Easy 5 minutes | Level of your choice | 
| Sprint 1 minute | (choose your own steady resistance) | 
| Easy 2 minutes |  | 
| Sprint 1 minute |  | 
| Easy 3 minutes |  | 
| Sprint 1 minute |  | 
| Easy  minutes |  | 
| Sprint 1 minute |  | 
| Easy 5 minutes |  | 
| Sprint 1 minute |  | 
| Cool Down 5 minutes |  | 
| TOTAL: 30 minutes approx |  | 
 
Stairclimber to Heaven #1
| Warm up 2 minutes | Level of your choice | 
| 5 minutes stepping on every step | Level of your choice | 
| 5 minutes stepping on every other step | Level of your choice | 
| Cool Down 5 | Level of your choice | 
| TOTAL: 15 minutes |  |