2001
Emilia
Siminovskaya
48.23
9
B Min
BB: 43.29 (+4.94s | 10.2%)
Park City Swimming
10/10/2025
2025 PC Sprints
2002
Alexandra
Maa
48.23
6
B Min
BB: 43.29 (+4.94s | 10.2%)
Alto Swim Club
03/29/2025
Alto Rock The Blocks Invitational
2003
Matilda
Garner
48.24
9
B Min
BB: 43.29 (+4.95s | 10.3%)
Park City Swimming
10/10/2025
2025 PC Sprints
2004
Yuna
Ng
48.24
9
B Min
BB: 43.29 (+4.95s | 10.3%)
Valley Aquatics
01/24/2026
2026 PN PDST Winter Invitational Meet Approv
2005
Ember
Baxter
48.25
7
B Min
BB: 43.29 (+4.96s | 10.3%)
Island Aquatics
12/06/2025
2025 MAGSA SCY B3 Meet
2006
Avnitha
Mocherla
48.26
8
B Min
BB: 43.29 (+4.97s | 10.3%)
Sunnyvale Swim Club
01/10/2026
BAC Norman Cutler Memorial
2007
Amelia
Springer
48.26
10
B Min
BB: 43.29 (+4.97s | 10.3%)
SlipStream Aquatics
12/14/2025
2025 CO FORM Winter Open
2008
Micayla
McCall
48.26
10
B Min
BB: 43.29 (+4.97s | 10.3%)
Rancho San Dieguito
01/31/2026
2026 SBA All Ages NTS Meet
2009
Conner
Bransford
48.27
9
B Min
BB: 43.29 (+4.98s | 10.3%)
Legacy Aquatics
10/11/2025
LA Fall Kick Off 2025
2010
Piper
Spees
48.28
9
B Min
BB: 43.29 (+4.99s | 10.3%)
Manta Ray Aquatics
01/31/2026
2026 Winter Open
25 Back
24.12
24.12
50 Back
24.16
48.28
50 Back
48.28
2011
Ayla
Moyes
48.30
10
B Min
BB: 43.29 (+5.01s | 10.4%)
Lake Oswego Swim Club
01/10/2026
2026 Hood River Winter Invitational
2012
Lauren
Mah
48.32
10
B Min
BB: 43.29 (+5.03s | 10.4%)
Crow Canyon Sharks
01/11/2025
Crow Canyon Sharks Shortcourse C B BB+
2013
Sarah
Moore
48.33
10
B Min
BB: 43.29 (+5.04s | 10.4%)
North Bay Aquatics
11/08/2025
TCA PC November SC C B A+
2014
Olivia
Bird
48.33
9
B Min
BB: 43.29 (+5.04s | 10.4%)
Excel Aquatics
01/16/2026
2026 TYR Mardi Gras Invite
2015
Ivy
Coleman
48.35
8
B Min
BB: 43.29 (+5.06s | 10.5%)
Clovis Swim Club
11/22/2025
2025 Dr Dowain Wright Memorial ABC
2016
Nyx
Spriggs
48.35
7
B Min
BB: 43.29 (+5.06s | 10.5%)
Apex
12/12/2025
2025 OR TTSC Holiday Invitational Meet
2017
Hartley
Butler
48.35
9
B Min
BB: 43.29 (+5.06s | 10.5%)
University Place Aquatic Club
11/02/2025
2025 PN UPAC Fall Qual
2018
MacKayla
Rouaud-Watson
48.36
9
B Min
BB: 43.29 (+5.07s | 10.5%)
Htx Swims
10/18/2024
BATS 2024 October Invite
2019
Quinn
Godfrey
48.36
9
B Min
BB: 43.29 (+5.07s | 10.5%)
Aces Swim Club
01/23/2026
2026 CO TOPS Colorado Open
25 Back
22.91
22.91
50 Back
25.45
48.36
50 Back
48.36
2020
Hazel
Mireles
48.36
9
B Min
BB: 43.29 (+5.07s | 10.5%)
Tri-city Channel Cats
10/25/2025
2025 Spooktacular Swim Meet
2021
Rachel
Loudon
48.36
7
B Min
BB: 43.29 (+5.07s | 10.5%)
Cascade Swim Club
02/01/2026
2026 PN CSC February Mini Meet Approved
2022
Ellison
Rodriguez
48.37
9
B Min
BB: 43.29 (+5.08s | 10.5%)
Buffalo Swim Club
01/04/2025
2025 Deadwood Swimming Invitational
2023
Riley
Baez
48.37
8
B Min
BB: 43.29 (+5.08s | 10.5%)
Sparks Piranhas Swim Team
10/17/2025
2025 KING OF THE HILL CHALLENGE
2024
Joy
Kastner
48.37
9
B Min
BB: 43.29 (+5.08s | 10.5%)
Multnomah Athletic Club
02/06/2026
2026 Forest Grove Coast Range Qualifier
2025
Avery
Holmes
48.37
10
B Min
BB: 43.29 (+5.08s | 10.5%)
Seals Aquatics
11/22/2025
Thankswimming Classic 2025
2026
Ava
Minikus
48.38
7
B Min
BB: 43.29 (+5.09s | 10.5%)
Socal Aquatics Association
11/21/2025
2025 CA MVN Turkey Classic
2027
Kinsley
Idol
48.39
8
B Min
BB: 43.29 (+5.10s | 10.5%)
Star Aquatics
12/12/2025
Triad Tropic Invitational Copied
2028
Cindy
Jiang
48.39
9
B Min
BB: 43.29 (+5.10s | 10.5%)
Daly City Dolphins
11/14/2025
PSL Pumpkin Spice Lovers 25 129
2029
Charlotte
Nevill
48.39
10
B Min
BB: 43.29 (+5.10s | 10.5%)
Port Angeles Swim Club
01/10/2026
2026 PN PASC Penguin Fin Tastic Five Approve
2030
Brooklynn
Crowell
48.39
8
B Min
BB: 43.29 (+5.10s | 10.5%)
Sawtooth Aquatic Club
11/16/2025
Fall Mixer Block Party #2
2031
Harley
Simonson
48.40
9
B Min
BB: 43.29 (+5.11s | 10.6%)
Valley Aquatics
01/24/2026
2026 PN PDST Winter Invitational Meet Approv
2032
Chloe
Underwood
48.40
7
B Min
BB: 43.29 (+5.11s | 10.6%)
Lake Oswego Swim Club
12/13/2025
2025 OR HEAT Winter Invitational
2033
Anamika
Kottur
48.41
10
B Min
BB: 43.29 (+5.12s | 10.6%)
Quicksilver Swimming
10/11/2025
QSS Santa Cruz Competenicia C B A+
2034
Hazel
Richards
48.41
10
B Min
BB: 43.29 (+5.12s | 10.6%)
Bend Swim Club
12/18/2025
Bend Swim Club Intersquad
2035
Chloe
Cox
48.42
10
B Min
BB: 43.29 (+5.13s | 10.6%)
City of Morgan Hill Splash Aqu
10/11/2025
QSS Santa Cruz Competenicia C B A+
2036
Vivianne
Gonzalez
48.43
10
B Min
BB: 43.29 (+5.14s | 10.6%)
AC Swim Club
09/27/2025
Neptune Swimming Fall Classic
2037
Elin
Doebbeling
48.43
9
B Min
BB: 43.29 (+5.14s | 10.6%)
Team Vortex
11/23/2024
2024 CO CUDA Pentathlon XXXVII
2038
Aabha
Nargund
48.43
9
B Min
BB: 43.29 (+5.14s | 10.6%)
Wave Aquatics
01/24/2026
2026 PN WAVE Winter Invitational Approved
2039
Shayla
Purville
48.43
10
B Min
BB: 43.29 (+5.14s | 10.6%)
Burlingame Aquatics
02/07/2026
Alto Feb 7 8 CBA Valentines Day
2040
Elysia
Esparza-Chen
48.43
8
B Min
BB: 43.29 (+5.14s | 10.6%)
Pacific Dragons Swim Team
02/07/2026
2026 PN IST Feb Winter Invitational Approved
2041
Kenna
Winston
48.43
10
B Min
BB: 43.29 (+5.14s | 10.6%)
Beaverton Area Aquatics Club
10/17/2025
2025 CST Harvest Open
2042
Evelyn
Dreier
48.44
10
B Min
BB: 43.29 (+5.15s | 10.6%)
Northern Nevada Aquatics
02/06/2026
2026 Valentines Day Age Group Open
2043
Evelyn
Mosendz
48.45
8
B Min
BB: 43.29 (+5.16s | 10.7%)
Santa Clara Swim Club
09/27/2025
2025 MAC Season Kick Off
2044
Pepper
West
48.45
7
B Min
BB: 43.29 (+5.16s | 10.7%)
Hillsboro Swim Team
01/03/2026
2026 CAT Short Course Open
2045
Katherine
Moyer
48.45
9
B Min
BB: 43.29 (+5.16s | 10.7%)
Pacific Swim
01/31/2026
2026 SBA All Ages NTS Meet
2046
Ava
Martin
48.45
9
B Min
BB: 43.29 (+5.16s | 10.7%)
Lake Oswego Swim Club
01/11/2025
2025 LOSC Winter Intrasquad
2047
Austen
McGregor
48.45
10
B Min
BB: 43.29 (+5.16s | 10.7%)
Fort Collins Area Swim Team
01/10/2026
2026 CO FAST Vs TOPS Vs RIP
2048
Brooklyn
Gregory
48.46
8
B Min
BB: 43.29 (+5.17s | 10.7%)
Mission Valley YMCA
12/05/2025
SI 2025 RSD All Ages WAG Max
2049
Hazel
Huberty
48.47
10
B Min
BB: 43.29 (+5.18s | 10.7%)
Portland Aquatic Club
12/13/2025
2025 OR HEAT Winter Invitational
2050
Tylee
Stratton
48.47
9
B Min
BB: 43.29 (+5.18s | 10.7%)
Spokane Waves Aquatic Team
01/16/2026
2026 Hells Canyon Invitational
25 Back
24.38
24.38
50 Back
24.09
48.47
50 Back
48.47