🏊 Swim Race Predictor

Convert your pool times into open water performance. Wetsuit, sighting, drafting: everything is calibrated.

Pool Data

400m Test (Max effort)

min sec

1000m Test (Max effort)

min sec

These times are used to calculate your Critical Swim Speed (CSS).

Race Conditions

Race Distance

Equipment (Wetsuit)

Sighting Quality

Impact: you'll swim ~228m extra.

Drafting Strategy

Calibration Mode (Expert)

Enter a reference race to learn your Personal Efficiency Index.
Set the parameters above to match this race first.

Reference Race

h m s

Results

BPC ALGORITHM

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Pace --:-- /100m

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CSS (Pool)

0 m

Estimated Extra Distance