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This is free for coached athletes and subscribers to our strava/facebook/patreon/instagram channels
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FFT Interval Difficulty Calculator
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>> Estimate the difficulty and duration of your interval workout <<
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----------------------------- input variables (all editable) --------------------------------
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ENTER YOUR FTP
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YOURS:
INTERVAL INTENSITY
Level3: Improverenter
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290
this is how challening you select for your interval series
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# OF INTERVALS
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TIME-ON
8minssecs
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YOURS:
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4
this is workout time during interval
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iTIME OFF
2minssecs
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this is the rest time between intervals
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# OF SETS
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GAP TYPE
Z2: Endurance: 55-75% FTPenter
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YOURS:
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2
this is the intensity in-between intervals/sets
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sTIME OFF
5mins0secs
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this is the rest time between sets
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----------------------------- output variables (not editable) --------------------------------
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YOUR INTERVAL PRESCRIPTION.....
Do a total of 4 intervals in 1 sets of 4 intervals
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Watts to aim for
308.8
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intensity (IF)
1.12
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total workout time
0 hrs 38 mins 00 secs
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on time
0 hrs 32 mins 00 secs
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off time
0 hrs 06 mins 00 secs
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Difficulty Score
38.8
Difficulty Score
38.8
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cogganTSS
71.5
Workout mins
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trueTSS
78.2
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Difficulty Rating
Challenging
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FFT Scientific Training Plans (20+):
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https://www.trainingpeaks.com/my-training-plans/fastfitnestips
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https://fft.tips/difficulty
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