| Do you know your Max Heart Rate? If so, enter your max heart rate here : | Otherwise, enter your age for a highly inaccurate calculation for max heart rate here: |
| Zone Number and your heart rate numbers | Description of zone |
| Zone 1 : | to promote recovery and use fat stores as the primary fuel source. |
| Zone 2 : | to build aerobic endurance |
| Zone 3 : | to reach lactate threshold(LT), the point at which the greatest aerobic improvement occurs. |
| Zone 4 : | Used to develop anaerobic system for short bursts of max effort. |