Fartlek Session

Friday Fartlek Run: Kirsten Sweetland’s Good Old Build Run

Running fast in a fatigued state will build resilience and lactate tolerance. This session builds your effort and fatigue and has you working hard at the end when you are at your tiredness. It is longer and more challenging than last week’s workout. This is a great session for all runners and triathletes, especially those running 5km & 10km events.

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.

Kirsten Sweetland’s Good Old Half Build Run

  • 10min WU Level II;
  • 20min Level II;
  • 20min Level III;
  • 10min Level IV;
  • 5min Level V;
  • 10min CD Level II;
  • 10min Stretching

Start the workout with a Warm Up (WU) of ten minutes of easy jogging at Level II.

The Main Set involves running four reps at a progressively faster pace. I’ve described it here as twenty minutes Level II, twenty minutes Level III, ten minutes Level IV, and then five minutes Level V to finish. Kirsten Sweetland describes the pace as 10km pace plus 45 seconds for the first ten minutes. The second ten-minute block at a 10km pace plus 30 seconds. The five-minute interval should be at a 10km pace plus 15 seconds and the final block at a ‘go for broke‘ pace.

The Cool Down (CD) is at a low intensity, jogging (Level II) for a minimum of ten minutes.

Finish with 10 minutes of stretching to assist with the recovery.

Use this chart to set some paces to target for this run based on Kirsten Sweetland’s recommendations.

10km Time10km PacePlus 45secPlus 30secPlus 15sec
32:3003:1504:0003:4503:30
35:0003:3004:1504:0003:45
37:3003:4504:3004:1504:00
40:0004:0004:4504:3004:15
42:3004:1505:0004:4504:30
45:0004:3005:1505:0004:45
47:3004:4505:3005:1505:00
50:0005:0005:4505:3005:15
52:3005:1506:0005:4505:30
55:0005:3006:1506:0005:45
57:3005:4506:3006:1506:00
1:00:0006:0006:4506:3006:15
1:02:3006:1507:0006:4506:30
1:05:0006:3007:1507:0006:45
1:07:3006:4507:3007:1507:00
1:10:0007:0007:4507:3007:15

I am the Head Coach & Director of Qwik Kiwi – Endurance Sports Consultant.

I specialise in assisting first-timers and recreational athletes to achieve their sporting goals. I can be contacted at coachray@coachray.nz and 021 348 729.

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If you enjoyed this workout, here is a similar session I published.

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