| Minutes | Activity |
|---|---|
| 0:00-5:00 | Warm up. |
| 5:00-11:00 | Alternate a 30-second speed burst |
| 11:00-17:00 | Alternate a slightly faster 30-second burst with a 90-second recovery. |
| 17:00-23:00 | Alternate an even faster 30-second burst with a 90-second recovery. |
23:00-29:00 |
Alternate an all-out 30-second sprint with a 90-second recovery. Do 3 sets. |
| 29:00-35:00 | Cool down. |
Originally published in FITNESS magazine, June 2012.
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