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Training Intensity Distribution (TID) in 5 zones for each macrocycle (Main sessions). Notes: Z1: Zones 1 [ = 2 mmol 1-11]; Z2: Zones 2 [ = 4 mmol 1-1]; Z3: Zone 3 [ = 6 mmol 1-11]; ZA: Zone 4 [∼10 mmoll-1]; ZS: Zone 5 [maximum intensity swimming]. Auxiliary sessions includes TID in Z1 mainly, secondarily Z2, and technique.
