IRONMAN FITNESS TESTING
Sep 25, 2020
2 minutes
CHARLIE CROWHURST/GETTY IMAGES
CHARLIE CROWHURST/GETTY IMAGES
THE CSS TEST
Coach Phil Mosley, myprocoach.net
Benefits The Critical Swim Speed (CSS) test provides an accurate gauge of current swim fitness and can also be used to set your pace-based training zones for swimming. It predicts current pace for 1,500m but is still useful for long-course (see Test Notes box, below right).
Swim clothing, goggles,
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