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Fartlek Intervals

8min from 65 to 80% of 5k pace
1x 1min @ 110% of 5k pace,
1min @ 70% of 5k pace
1x 2min @ 105% of 5k pace,
1min @ 70% of 5k pace
1x 3min @ 102% of 5k pace,
2min @ 70% of 5k pace
1x 4min @ 97% of 5k pace,
2min @ 70% of 5k pace
1x 5min @ 94% of 5k pace,
2min @ 70% of 5k pace
4min from 70 to 50% of 5k pace
Workout overview

Duration: 35m

Zone distribution

Z1: 91 m

Z2: 882 m

Z3: 227 m

Z4: 540 m

Z5: 360 m

Z6: 0 m

4%
42%
11%
26%
17%
0%

A Fartlek variation with increasing interval lengths and decreasing intensities. Fartlek runs challenge the body to adapt to various speeds, conditioning you to become faster over longer distances.

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