2001
Liam
Doty
54.08
16
BB Min
A: 51.69 (+2.39s | 4.4%)
Sandpipers of Nevada
11/08/2024
2024 NV State Championships
2002
Ryland
Murray
54.08
16
BB Min
A: 51.69 (+2.39s | 4.4%)
CAC Stingrays Swim Team
01/09/2026
2026 CO NJ Narwhal Invitational
50 Free
25.87
25.87
100 Free
28.21
54.08
100 Free
54.08
2003
Anthony
Pan
54.09
16
BB Min
A: 51.69 (+2.40s | 4.4%)
American High School
04/26/2024
MVAL 2024 Swimming Championship
50 Free
25.84
25.84
100 Free
28.25
54.09
100 Free
54.09
2004
Roman
Semenovich
54.09
16
BB Min
A: 51.69 (+2.40s | 4.4%)
Cascade Swim Club
11/22/2025
2025 PN November AGI, Division 4 (WEST)
50 Free
25.67
25.67
100 Free
28.42
54.09
100 Free
54.09
2005
Jayana
Nanayakkara
54.10
14
BB Min
A: 51.69 (+2.41s | 4.5%)
Sierra Marlins Swim Team
11/06/2021
2021 Joyce Lanphere Invitational
2006
Joshua
Davis
54.10
14
BB Min
A: 51.69 (+2.41s | 4.5%)
The Swim Team
12/09/2022
2022 CA SCS SCAT WAG Championships
50 Free
25.82
25.82
100 Free
28.28
54.10
100 Free
54.10
2007
Bryce
Chen
54.11
14
BB Min
A: 51.69 (+2.42s | 4.5%)
Quicksilver Swimming
06/28/2023
2023 QSS SC Invite
50 Free
26.40
26.40
100 Free
27.71
54.11
100 Free
54.11
2008
Shion
Sonomura
54.11
14
BB Min
A: 51.69 (+2.42s | 4.5%)
Orem Timpangos Aquatic Club
03/03/2021
2021 UT SC AG Champs
50 Free
25.99
25.99
100 Free
28.12
54.11
100 Free
54.11
2009
Jackson
Trzcinski
54.11
17
BB Min
A: 51.69 (+2.42s | 4.5%)
Aspen Swim Club
01/10/2025
2025 CO MAValanche Invitational
50 Free
25.71
25.71
100 Free
28.40
54.11
100 Free
54.11
2010
Lucas
Kawamoto
54.12
14
BB Min
A: 51.69 (+2.43s | 4.5%)
Unattached
02/25/2023
2023 PASA Last Chance Meet
2011
Grayson
Dean
54.12
18
BB Min
A: 51.69 (+2.43s | 4.5%)
Tornadoes Swim Team
08/08/2025
Bend Swim Club August Invitational
50 Free
25.84
25.84
100 Free
28.28
54.12
100 Free
54.12
2012
Justin
Lee
54.12
17
BB Min
A: 51.69 (+2.43s | 4.5%)
Rosemead Rapids
12/13/2024
2024 CA GWSC SCS WAG
2013
Caleb
Nelson
54.12
17
BB Min
A: 51.69 (+2.43s | 4.5%)
Aquawolves Swimming
11/23/2024
2024 CO CUDA Pentathlon XXXVII
50 Free
25.65
25.65
100 Free
28.47
54.12
100 Free
54.12
2014
Omar
Abdelrahman
54.13
17
BB Min
A: 51.69 (+2.44s | 4.5%)
Issaquah Swim Team
03/07/2025
2025 BBST Seize The Day Invitational
50 Free
25.93
25.93
100 Free
28.20
54.13
100 Free
54.13
2015
Alex
Maxon
54.13
13
BB Min
A: 51.69 (+2.44s | 4.5%)
Lakewood Aquatics
03/10/2022
2022 SCS 14 And Under SC JO Championship
2016
Bruno
Morales
54.13
17
BB Min
A: 51.69 (+2.44s | 4.5%)
Cache Valley Marlins
11/02/2024
The Mustang Invitational 2024
50 Free
26.62
26.62
100 Free
27.51
54.13
100 Free
54.13
2017
Spencer
Tsai
54.14
16
BB Min
A: 51.69 (+2.45s | 4.5%)
Lake Oswego Swim Club
10/17/2025
2025 THSC Fall Open
50 Free
26.05
26.05
100 Free
28.09
54.14
100 Free
54.14
2018
Patrick
Kim
54.14
15
BB Min
A: 51.69 (+2.45s | 4.5%)
Canyons Aquatic Club
12/13/2024
2024 CA GWSC SCS WAG
50 Free
25.94
25.94
100 Free
28.20
54.14
100 Free
54.14
2019
Michael
Cronin
54.15
18
BB Min
A: 51.69 (+2.46s | 4.5%)
Pacific Swim
12/04/2025
2025 Holiday Swim Festival
50 Free
25.89
25.89
100 Free
28.26
54.15
100 Free
54.15
2020
Koen
Ensz
54.15
15
BB Min
A: 51.69 (+2.46s | 4.5%)
Tule Nation Tritons
02/16/2024
2024 CCS SCY AGC
50 Free
26.27
26.27
100 Free
27.88
54.15
100 Free
54.15
2021
Gustavo
Delgado
54.16
14
BB Min
A: 51.69 (+2.47s | 4.6%)
Lompoc Tsunami Aquatics
12/10/2021
2021 CA SCAT SCS WAG
50 Free
25.98
25.98
100 Free
28.18
54.16
100 Free
54.16
2022
Lucas
Ono-Chan
54.16
17
BB Min
A: 51.69 (+2.47s | 4.6%)
Issaquah Swim Team
11/23/2024
2024 PN November AGI, Division 2
50 Free
25.89
25.89
100 Free
28.27
54.16
100 Free
54.16
2023
Alexander
Calhoun
54.18
17
BB Min
A: 51.69 (+2.49s | 4.6%)
Northern Colorado Swim Club
01/16/2026
2026 CO CUDA Classic
50 Free
25.19
25.19
100 Free
28.99
54.18
100 Free
54.18
2024
Carson
Cash
54.18
16
BB Min
A: 51.69 (+2.49s | 4.6%)
Aces Swim Club
01/24/2025
2025 CO TOPS Colorado Open
50 Free
25.83
25.83
100 Free
28.35
54.18
100 Free
54.18
2025
Zakareeya
Rushdan-Adil
54.18
18
BB Min
A: 51.69 (+2.49s | 4.6%)
Hillsboro Swim Team
12/05/2025
2025 Oregon Sr Open
50 Free
26.05
26.05
100 Free
28.13
54.18
100 Free
54.18
2026
Kenton
Fine
54.19
16
BB Min
A: 51.69 (+2.50s | 4.6%)
South Medford High School
02/14/2025
2025 OR HS 6A 7
50 Free
25.71
25.71
100 Free
28.48
54.19
100 Free
54.19
2027
Mason
Hashim
54.20
16
BB Min
A: 51.69 (+2.51s | 4.6%)
Aqua Fit Tucson
02/14/2025
33rd Annual Lost Dutchman Invitational
50 Free
25.36
25.36
100 Free
28.84
54.20
100 Free
54.20
2028
James
Biskey
54.20
16
BB Min
A: 51.69 (+2.51s | 4.6%)
Barracuda Aquatic Club
04/14/2023
2023 CCAT Easter Pentathlon
50 Free
26.08
26.08
100 Free
28.12
54.20
100 Free
54.20
2029
Elijah
Reeves
54.21
16
BB Min
A: 51.69 (+2.52s | 4.6%)
Machine Aquatics
11/06/2025
2025 TAC TITANS Big Southern Classic
50 Free
26.33
26.33
100 Free
27.88
54.21
100 Free
54.21
2030
Ethan
Surya
54.22
15
BB Min
A: 51.69 (+2.53s | 4.7%)
Unattached
04/26/2024
EBAL Swim And Dive 2024 Championships
50 Free
26.21
26.21
100 Free
28.01
54.22
100 Free
54.22
2031
Noah
Anderson
54.22
16
BB Min
A: 51.69 (+2.53s | 4.7%)
Clovis Swim Club
02/20/2025
2025 Juanita Allington Memorial
50 Free
25.48
25.48
100 Free
28.74
54.22
100 Free
54.22
2032
Lincoln
Swift
54.23
18
BB Min
A: 51.69 (+2.54s | 4.7%)
Columbia River Swim Team
12/05/2025
2025 Tualatin Hills Holiday Classic
50 Free
26.24
26.24
100 Free
27.99
54.23
100 Free
54.23
2033
Noah
Delatorre
54.24
17
BB Min
A: 51.69 (+2.55s | 4.7%)
Paradise Honors High School
09/14/2024
Croswhite Invitational
50 Free
25.78
25.78
100 Free
28.46
54.24
100 Free
54.24
2034
Saul
Gutierrez
54.24
17
BB Min
A: 51.69 (+2.55s | 4.7%)
Utah Valley Aquatics
12/04/2025
2025 UT SC Senior Championships
50 Free
26.78
26.78
100 Free
27.46
54.24
100 Free
54.24
2035
William
Pierpont
54.24
17
BB Min
A: 51.69 (+2.55s | 4.7%)
Team Eugene Aquatics
12/12/2025
2025 TEAM Winter Invitational
50 Free
26.34
26.34
100 Free
27.90
54.24
100 Free
54.24
2036
Calvin
Tu
54.24
15
BB Min
A: 51.69 (+2.55s | 4.7%)
Elk Grove Aquatics Club
12/08/2023
Santa Clara Swim Club Senior 2 T F
50 Free
26.23
26.23
100 Free
28.01
54.24
100 Free
54.24
2037
John
Maddox
54.25
15
BB Min
A: 51.69 (+2.56s | 4.7%)
Renegade Aquatics
11/15/2024
2024 SI SDSA A BB All Ages
50 Free
26.27
26.27
100 Free
27.98
54.25
100 Free
54.25
2038
Paul
Whelan
54.25
17
BB Min
A: 51.69 (+2.56s | 4.7%)
Palo Alto Stanford Aquatics
11/02/2024
2024 Joyce Lanphere Invitational
2039
Charles
Scott
54.25
18
BB Min
A: 51.69 (+2.56s | 4.7%)
Mako
12/12/2025
2025 ST AAAA NS Winter Wonderland
50 Free
25.93
25.93
100 Free
28.32
54.25
100 Free
54.25
2040
Truman
James
54.26
14
BB Min
A: 51.69 (+2.57s | 4.7%)
Unattached
01/14/2022
2022 UT HAST Winter Inv
50 Free
25.88
25.88
100 Free
28.38
54.26
100 Free
54.26
2041
Colin
Cortez
54.26
16
BB Min
A: 51.69 (+2.57s | 4.7%)
Mission Aurora Colorado Swimmi
11/15/2024
2024 CO TOPS Fall Invite
50 Free
26.47
26.47
100 Free
27.79
54.26
100 Free
54.26
2042
Noah
Yang
54.27
17
BB Min
A: 51.69 (+2.58s | 4.8%)
Elk Grove Aquatics Club
01/16/2025
2025 PN VAST 48th Annual Washington Open
50 Free
26.66
26.66
100 Free
27.61
54.27
100 Free
54.27
2043
Campbell
Fulton
54.27
15
BB Min
A: 51.69 (+2.58s | 4.8%)
Dart Swimming
11/04/2023
2023 Joyce Lanphere Invitational
2044
Ryan
Schnur
54.27
17
BB Min
A: 51.69 (+2.58s | 4.8%)
Univ. of Denver Hilltoppers
01/24/2025
2025 CO TOPS Colorado Open
50 Free
25.61
25.61
100 Free
28.66
54.27
100 Free
54.27
2045
Reed
Lokan
54.27
14
BB Min
A: 51.69 (+2.58s | 4.8%)
Wasatch Front Fish Market
03/01/2023
2023 UT SC Age Group Championship
50 Free
26.02
26.02
100 Free
28.25
54.27
100 Free
54.27
2046
Finn
Slattery
54.29
16
BB Min
A: 51.69 (+2.60s | 4.8%)
Rose Bowl Aquatics
02/29/2024
2024 March Madness Closed Invitational
50 Free
26.36
26.36
100 Free
27.93
54.29
100 Free
54.29
2047
Tad
Ziemba
54.29
14
BB Min
A: 51.69 (+2.60s | 4.8%)
Santa Clara Swim Club
02/18/2023
2023 Milpitas Aquatic Club Senior Open T F
50 Free
26.23
26.23
100 Free
28.06
54.29
100 Free
54.29
2048
Tyler
Lu
54.30
13
BB Min
A: 51.69 (+2.61s | 4.8%)
Brea Aquatics
02/18/2022
2022 CA AP ISCA Elite Showcase West
50 Free
26.25
26.25
100 Free
28.05
54.30
100 Free
54.30
2049
Ian
Stiff
54.30
17
BB Min
A: 51.69 (+2.61s | 4.8%)
Valley Aquatics
11/22/2025
2025 PN November AGI, Div 3 (UPAC)
50 Free
26.12
26.12
100 Free
28.18
54.30
100 Free
54.30
2050
John
Olensky
54.31
17
BB Min
A: 51.69 (+2.62s | 4.8%)
Cascade Swim Club
11/16/2025
2025 PN CSC Distance Plus Intrasquad
50 Free
26.33
26.33
100 Free
27.98
54.31
100 Free
54.31