Women’s 100m Freestyle – Short Course World Record & Splits

World record history, all-time fastest performers, race splits, and technical comparisons
for the women’s 100m freestyle in a 25m pool (SCM).

Updated October 2025

Current Records

RecordSwimmerNationTimeMeet / Date
World RecordKate DouglassUnited States49.93World Aquatics Swimming World Cup, Toronto · 25 Oct 2025
World Junior RecordKayla SanchezCanada51.45Swim England Winter Championships, Sheffield · 14 Dec 2018
Commonwealth RecordCate CampbellAustralia50.25Australian Short Course Championships · 26 Oct 2017

Top 10 All-Time Performers

RankSwimmer50m / Final 50mTime
1Kate Douglass23.93 / 26.0049.93
2Cate Campbell24.21 / 26.0450.25
3Gretchen Walsh—50.31
=4Emma McKeon24.73 / 25.8550.58
=4Sarah Sjöström24.49 / 26.0950.58
6Beryl Gastaldello—50.63
7Siobhán Haughey24.47 / 26.3250.79
8Mollie O’Callaghan—50.82
9Ranomi Kromowidjojo24.60 / 26.3550.95
10Libby Trickett24.29 / 26.7251.01

Top Swim Calculators

CalculatorWhat it does
Swim Pace CalculatorCalculate pace, time, or distance for meters and yards.
Goal Time CalculatorTurn a target meter-race time into goal splits.
Yards Goal CalculatorBuild goal splits for short-course yards racing.
Swim Time ConverterConvert times between SCY, SCM, and LCM using stroke-specific adjustments.
World Aquatics Points CalculatorCalculate World Aquatics points from an LCM or SCM time, or find a target time for a point score.
Race Review CalculatorReview race splits and identify pacing strengths and opportunities.
Medley Relay CalculatorFind the fastest medley relay order from up to six swimmers’ best times.
Critical Swim Speed (CSS) CalculatorEstimate threshold pace for aerobic and endurance training.
Average Speed CalculatorCalculate average speed from a distance and time.