8min from 65 to 80 % of 5k pace
1x 1min @ 110 % of 5k pace,70 % of 5k pace
1x 2min @ 105 % of 5k pace,70 % of 5k pace
1x 3min @ 102 % of 5k pace,70 % of 5k pace
1x 4min @ 97 % of 5k pace,70 % of 5k pace
1x 5min @ 94 % of 5k pace,70 % of 5k pace
4min from 70 to 50 % of 5k pace
8min from <span
data-value="65">65</span> to <span
data-value="80">80</span>% of 5k pace 1x 1min @ <span
data-value="110">110</span>% of 5k pace,<br
/>1min @ <span
data-value="70">70</span>% of 5k pace 1x 2min @ <span
data-value="105">105</span>% of 5k pace,<br
/>1min @ <span
data-value="70">70</span>% of 5k pace 1x 3min @ <span
data-value="102">102</span>% of 5k pace,<br
/>2min @ <span
data-value="70">70</span>% of 5k pace 1x 4min @ <span
data-value="97">97</span>% of 5k pace,<br
/>2min @ <span
data-value="70">70</span>% of 5k pace 1x 5min @ <span
data-value="94">94</span>% of 5k pace,<br
/>2min @ <span
data-value="70">70</span>% of 5k pace 4min from <span
data-value="70">70</span> to <span
data-value="50">50</span>% of 5k pace Zone distribution Z1: 2m
Z2: 15m
Z3: 4m
Z4: 9m
Z5: 6m
Z6: -
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.
✓ Available in Zwift
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