Workout Instructions:
| Interval | Fartlek Workout | |
| Warm up | 5 minutes - walk/slow jog at 3.5 MPH, at a 7% incline. | |
| One mile | Run at 6.0 MPH. | |
| Rest Set | Slow it down to 5.0 MPH and run for 3 minutes. | |
| Work Set | Speed up to 6.8 MPH for 30 seconds. | |
| Rest Set | Go back to 5.0 MPH for 3 minutes. | |
| Rest/Work Sets | Keep repeating the 3 minute/30 seconds intervals until the clock reaches 25 minutes. | |
| One mile | Run at 6.0 MPH for another mile. | |
| Cool down | Slowly jog for 5 minutes at 3.5 MPH at a slight incline (5% to 7%). |

