World’s Fastest 100m Backstroke – Women’s Short Course

World Record: Regan Smith  54.27
World Championships Record: Katinka Hosszu 55.03
World Junior Record: Bella Sims 55.75
Commonwealth Record: Kaylee McKeown  54.56

Top 10 All-time Performers:

1. Regan Smith (26.06, 28.21) 54.27
2. Kaylee McKeown (26.69, 27.87) 54.56
3. Minna Atherton (26.52, 28.37) 54.89
4. Katinka Hosszu (26.93, 28.10) 55.03
5. Olivia Smoliga (26.50, 28.54) 55.04
6. Kira Toussaint (26.60, 28.57) 55.17
7. Louise Hansson (26.45, 28.75) 55.20
8. Kylie Masse (26.69, 28.53) 55.22
9. Shiho Sakai (26.73, 28.50) 55.23
10. Emily Seebohm (26.81, 28.50) 55.31
11. Ingrad Wilm (26.67, 28.68) 55.36

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The chart below compares the World’s Fastest 100m Backstroke – Women’s Short Course swimmers. Swimmers and coaches can looks at the individual Splits, Stroke Counts and the first 50m split compared to swimmers 50m PB. All swim data has been collected from our team reviewing race footage where possible. Here is Kaylee McKeown’s 100m Backstroke  World Record swim to view which was performed at the Australian Short Course Nationals 2024.

 

Here is Minna Atherton’s 100m Backstroke Previous World Record swim to view which was performed at the ISL 2019 in Budapest.

For comparison here is the Women’s 100m Backstroke Long Course and the Women’s 200m Backstroke Long Course.

Women's 100m Backstroke - Short Course
	Kaylee McKeown	Minna Atherton	Katinka Hosszu	Olivia Smoliga	Kira Toussaint	Louise Hansson	Kylie Masse	Shiho Sakai	Emily Seebohm
Height:	5 ft 9 in 175cm	5 ft 9 in 181cm	5 ft 9 in 175cm	6 ft 2 in 188cm	5 ft 7 in 174cm	6 ft 2 in 187cm	5ft 8in 172cm	5 ft 3 in 159cm	6 ft 0 in 183cm
Weight:	132Ib 60kg	165Ib 75kg	150 Ib 68kg	163Ib 74kg	159Ib 72kg	157lb 71kg	134lb 61kg	117Ib 53kg	141Ib 64kg
Country:	AUS	AUS	HUN	USA	NED	Sweden	Canada	JPN	AUS
DOB:	2001-07-12	2000-05-17	1989-05-03	1994-10-12	1994-05-22	1996-11-24	1996-01-18	1990-12-01	1992-06-05
Meet:	Australian Short Course Nationals 2024	ISL 2019 Season	12th FINA World Swimming Championships (25m) 2014	ISL 2020 Season - Final	European Short - Course Swimming Championships 2019	2021 FINA World Championships Short Course	2021 FINA World Championships Short Course	FINA/Arena Swimming World Cup 2009	12th FINA World Swimming Championships (25m) 2014
1st 25m Split
Strokes	10	9			9
Split Time:	12.82
2nd 25m Split	13.87
Strokes	10	10			11
Split Time:	26.69	26.52	26.93	26.50	26.60	26.45	26.69	26.73	26.81
50m PB:	26.00	25.81	25.95	25.74	25.60	25.91	25.92	26.54	25.83
Time off 50m PB:	0.69	0.71	0.98	0.76	1.00	0.54	0.77	0.19	0.98
Percentage of 50m PB:	102.654%	102.751%	103.777%	102.953%	103.906%	102.084%	102.971%	100.716%	103.794%
3rd 25m Split	13.90
Strokes	12	11			10
Split Time:	40.59
4th 25m Split	13.97
Strokes	13	13			15
Total Time:	54.56	54.89	55.03	55.04	55.17	55.20	55.22	55.23	55.31

Note: World’s Fastest 100m Backstroke – Women’s Short Course Update Nov 2024

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3. Yards Goal Calculator – Breaks the swim down to the individual target splits for Yards racing
4. Race Review Calculator – Allows the coach, swimmer or parent to identify the strengths and weaknesses of a race that has been swum.
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