Stroke rate

From Openwaterpedia

Noun - Stroke rate or SR is the number strokes/second while swimming freestyle or other swimming strokes. Counting the strokes is part of marathon swimming, channel swimming, winter swimming, and ice swimming as the cold water can cause muscle stiffness and the stroke rate can drop, a signal to seconds and spotters that the swimmer may experience hypothermia.

Example from

Swimmer completes the 100m freestyle in 1:00, using 54 stroke cycles.

DPS = distance/# cycles used for that distance = 100/54 = 1.85 meters/cycle SR = # cycles/time = 54/1:00 = .9 cycles/second Seconds/Stroke = time/# cycles = 1:00/54 = 1.11 seconds/cycle

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