Spending time at Level V or your VO2 Max intensity will help you build, clear and utilise lactic acid. This is a great session for all runners and triathletes especially those running events between 5km & half marathon.
Each week I will be posting the Friday Fartlek Run Sessions that you can do to enhance your running. Fartlek is a Swedish term that is often used by runners and it means speed-play. See a previous post about training intensity (levels) to know how hard to work.
The inspiration for this post came from an article in the Canadian Triathlon Magazine written by Kirsten Sweetland, click here to read about it. Her coach Jon Brown used to prescribe this session for her.
Kirsten Sweetland’s 90sec Reps
- 15-20min WU Level II;
- 6-18x 90sec Level V, 30sec Level I RI;
- 10min CD Level II;
- 10min Stretching
Start the workout with a Warm Up (WU) of fifteen to twenty minutes easy jogging at Level II.
The Main Set involves running between six and eighteen reps at Level V (about 5km pace) for 90 seconds. Kirsten does this session on a treadmill. For the Rest Interval (RI) standard beside the treadmill for 30 seconds, and if doing it on the road or track walk gently for your Rest Interval (RI).
Start with six reps and progressively build to 18 over a number of weeks.
The Cool Down (CD) is at a low intensity, jogging (Level II) for a minimum of ten minutes.
Finish with 10 minutes stretching to assist with the recovery.
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