“The Time Contracter” by Dr Charlie Simpson “Time Contracter” is 60 mins with 6 mins easy pace (e.g. UT2 and 4 mins moderate effort (UT1/AT) until the clock hits zero (so six intervals of 4 mins by the end)….If doing on the erg, during the final 2 mins of both the 6min easy and 4 mins…

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