So I collected together all the data from the last 7 Tests, done in generally the same conditions, over the last 30 months. I was wondering if I could graph the way fitness changes in response to training. Heres the answer – yes.
Heres the picture to prove it.
So, the wavy lines represents different lactate values vs Power on the Y axis and date on the X axis.
The effect is more pronounced in the higher intensities (top 2 lines). See how my L5 and L6 are at a higher power around Jan – Mar (Mid season MTB) than they are in Jun – Aug, with a similar pattern both years. Its the same for L4 (Threshold Power)
If we just take L4 Threshold Power, the variation there between lows and highs is about 11%
So does training work? Err, yes evidently it does.