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Level 3 and 4 Roller-Ski Training

It’s the end of summer and you’re sweating in the 90 degree heat as you pound the pavement with your poles and glide smoothly over the road while your heart beats like a well oiled machine at 180 beats a minute and your whole body screams as it tries to clear lactic acid as quickly as possible. This is level 4 training or race pace training. This training isn’t something that needs to be done...