Only 1 Woman in History Has Faster 100 Fly + 100 Back Combo Than Claire Curzan

17-year old high school senior Claire Curzan threw down a monster double on Thursday at the North Carolina 4A High School State Swimming & Diving Championship. She broke the National High School Records in both the 100 yard back and 100 yard fly, and set the American Record (any age, any meet) in the 100 fly as well.

She won the 100 fly in 49.24 and the 100 back in 49.61, joining her in rare company of just three swimmers in history who have been better than 50 seconds in both events.

The other two are both current collegian swimmers: Maggie MacNeil is a senior at Michigan, the defending NCAA Champion in the 100 fly, the defending Olympic Champion in the 100 fly in long course, and the World Record holder in the 50 backstroke in short course meters.

The other on this list is Stanford freshman Regan Smith, who is the fastest swimmer ever in the 100 yard back, 200 yard back and 200 meter back. She won bronze in the 100 back at the Tokyo Olympic Games and silver in the 200 fly, showing her multi-stroke versatility.

Of those three, Curzan ranks as the 2nd-fastest “aggregate performer in history, two-tenths behind MacNeil and about the same gap ahead of Smith.

The two events in short course have a lot of overlap, and the best swimmers in these races are, for the most part, swimming pretty close to 15 meters off each wall. At the same time, there’s still fairly few swimmers who have been super-elite in both races.

Even if we expand to sub-51 seconds, only 13 different women have been there in both events.

Curzan’s combo is especially unique because she did the times in the same session. MacNeil’s times were both at the same meet (her backstroke was a 400 medley relay leadoff), but Curzan’s were in the same session.

Below, we’ve clocked out the top 100 performers in history in a combined 100 yard fly + 100 yard back.

Note: no data set in swimming is perfect. This data is primarily from the USA Swimming database, and we’ve done our best to compare them to other sources, but if we’ve missed someone, let us know in the comments below.

Top 100 Women All-Time, 100 Yard Fly + 100 Yard Back

Rank Name Back Time Fly Time Total Time
1 MacNeil, Maggie 49.76 48.89 98.65
2 Curzan, Claire 49.61 49.24 98.85
3 Smith, Regan 49.16 49.88 99.04
4 Nelson, Beata 49.18 50.65 99.83
5 Coughlin, Natalie 49.97 50.01 99.98
6 Hansson, Louise 50.74 49.26 100
7 Brown, Erika 50.88 49.38 100.26
8 Hu, Janet 49.93 50.38 100.31
9 Howe, Ally 49.69 51.03 100.72
10 White, Rhyan 50.02 50.75 100.77
11 Ivey, Isabel 50.42 50.68 101.1
12 Bray, Olivia 50.93 50.19 101.12
13 Moffitt, Hellen 50.94 50.37 101.31
14 Douglass, Kate 51.84 49.55 101.39
15 Bootsma, Rachel 50.03 51.4 101.43
16 Tetzloff, Aly 50.92 50.61 101.53
17 Lee, Felicia 50.75 50.89 101.64
18 Baker, Kathleen 49.8 51.85 101.65
19 Dressel, Sherridon 50.64 51.2 101.84
20 Tran, Cindy 50.31 51.62 101.93
21 Dahlia (Worrell), Kelsi 52.53 49.43 101.96
22 Alons, Kylee 51.76 50.35 102.11
23 Bacon, Phoebe 50.39 51.75 102.14
24 Walsh, Alex 50.88 51.31 102.19
25 Ochitwa, Ann 51.21 51.02 102.23
26 Walsh, Gretchen 50.61 51.73 102.34
27 Tiltmann, Reilly 50.49 51.88 102.37
28 Thompson, Sarah 51.07 51.44 102.51
29 Gastaldello, Beryl 51.73 50.87 102.6
30 Laemmler, Nadine 50.54 52.2 102.74
31 Miller, Paige 50.7 52.07 102.77
32 Agy, Ana 51.13 51.67 102.8
33 Huske, Torri 53.17 49.7 102.87
34 Adams, Claire 50.51 52.37 102.88
35 Stewart, Kylie 51.39 51.58 102.97
36 Hanselmann (Connolly), Jenny 51.34 51.64 102.98
37 Sticklen, Emma 52.27 50.76 103.03
38 Mack, Linnea 50.56 52.48 103.04
39 Dalesandro, Gia 52.68 50.45 103.13
40 Hersey, Kathleen 51.78 51.4 103.18
41 Stewart, Kendyl 52.29 50.92 103.21
42 Marsh, Alyssa 52.18 51.05 103.23
43 Corea, Sam 52.39 50.86 103.25
44 Degolia, Hailey 51.67 51.59 103.26
45 Gmelich, Caroline 51.43 51.94 103.37
46 Moldenhauer, Lily 51.48 51.92 103.4
47 Sheridan, Calypso 51.31 52.1 103.41
48 Britt, Chelsea 52.54 50.93 103.47
49 Seidt, Asia 50.68 52.83 103.51
49 Small, Meghan 51.46 52.05 103.51
51 Berkoff, Katharine 49.74 53.81 103.55
52 Li, Liz 53.08 50.48 103.56
53 Hynes, Haley 50.7 52.87 103.57
54 Zubkova, Kate 51.15 52.44 103.59
55 Stevens, Hannah 50.57 53.12 103.69
56 Nordmann, Lucie 51.44 52.31 103.75
56 Powers, Mackenzie 52.19 51.56 103.75
58 Waddell, Tevyn 51.76 52 103.76
59 Eastin, Ella 51.26 52.51 103.77
60 Barbiea, Dani 52.72 51.13 103.85
61 Pelton, Elizabeth 51.26 52.64 103.9
62 Ruck, Taylor 50.34 53.57 103.91
63 Cook, Julia 51.14 52.81 103.95
64 Mohler (Descenza), Mary 52.4 51.56 103.96
65 Brooks, Caitlin 51.51 52.57 104.08
65 Hinds, Natalie 52.78 51.3 104.08
67 Cuomo, Lexi 53.48 50.65 104.13
68 Smoliga, Olivia 50.04 54.12 104.16
68 Engel, Lindsey 52.57 51.59 104.16
70 Lindner, Sophie 51.56 52.62 104.18
71 Merrell, Eva 52.26 51.93 104.19
72 Sim, Levenia 51.03 53.17 104.2
73 Lapshina, Polina 52.07 52.16 104.23
73 Banic, Madeline 53.04 51.19 104.23
73 McCawley, Margo 51.63 52.6 104.23
76 Toussaint, Kira 50.85 53.46 104.31
77 Smart, Lauren 52.08 52.24 104.32
78 Hoelzer, Margaret 52.3 52.03 104.33
79 Hart, Maddie 52.71 51.64 104.35
80 Jackson, Lara 53.24 51.12 104.36
81 Weitzeil, Abbey 51.66 52.71 104.37
82 Hyman, Misty 53.04 51.34 104.38
83 Ulett, Tristen 52.39 52.01 104.4
84 Boyce, Lisa 52.85 51.57 104.42
85 Carter, Olivia 53.28 51.19 104.47
86 Weiss, Hannah 51.6 52.91 104.51
86 Andrew, Caitlin 52.83 51.68 104.51
88 Ariola, Grace 51.86 52.68 104.54
89 Johnston (Ripple), Shelly 53.05 51.5 104.55
90 Dupre, Cora 52.47 52.17 104.64
90 McLaughlin, Katie 54.67 49.97 104.64
92 Stadden, Isabelle 50.86 53.81 104.67
93 Black, Haley 54 50.68 104.68
94 Bartholomew, Courtney 50.01 54.69 104.7
95 Nazieblo, Klaudia 51.86 52.86 104.72
96 Jones, Kaitlyn 53.16 51.58 104.74
96 Haruguchi, Saori 53.41 51.33 104.74
98 Noble, Kennedy 51.51 53.24 104.75
98 Campbell, Erin 52.47 52.28 104.75
100 Chiang, Marylyn 52.36 52.4 104.76

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Tate
9 months ago

Aly Tetzloff and Felicia Lee are both sub-51. So 15 swimmers in total. (#1-13, 16, 17)

OAC
9 months ago

Is Hosszu on this list?

Dana Pointe
Reply to  OAC
9 months ago

In SCY. I believe US is the only country who competes in SCY. Hard to compare worldwide. But Hosszzu did compete for USC. There must be her times somewhere.

Swim fast
9 months ago

Crazy that Curzan is only 17 and doing this! Love the data pull.

Luna
9 months ago

The crazy thing is she did 49.24 (100 Fly) / 21.40 (anchor 200 FR) / 49.61 (100 Back) / 46.76 (anchor 400 FR) all within a 1hr 45min window from her 100 fly to the end of anchoring that last relay.

BillyMays
9 months ago

How is Missy not on this?

Tea rex
9 months ago

How did y’all pull this data? I see Smoliga on there with a 54 fly. To go that deep do you pull top 1000+ performers and copy-paste to excel? Or is there an API to query the database directly?

Big Mac #1
Reply to  Braden Keith
9 months ago

Can you make a short video about how to do this somewhere?

Big Mac #1
9 months ago

Maggie quakin in her winter boots

Tea rex
9 months ago

Yeah but with inflation Natalie had like 95 in today’s seconds.

Last edited 9 months ago by Tea rex

About Braden Keith

Braden Keith

Braden Keith is the Editor-in-Chief and a co-founder/co-owner of SwimSwam.com. He first got his feet wet by building The Swimmers' Circle beginning in January 2010, and now comes to SwimSwam to use that experience and help build a new leader in the sport of swimming. Aside from his life on the InterWet, …

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