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USA Boys 10 & under - 100 Y Breast

These rankings show the swimmers' placement within the United States.
They are based on the swimmer's personal best, their current age category, and team; and are calculated from all the meets results.
For each swimmer, you can find the swimmer's ranking, their best time, the corresponding time standard, as well as how much faster the swimmer needs to be to reach the next level. The last columns provide information about the event they achieved this personal best.

Swimmer Rankings

Ranking Name Time Age Standard to Next Standard Team Date Meet
2001 Youniss Mostafa 1:43.86 9 B Min BB: 1:42.29 (+1.57s | 1.5%) Cranston YMCA Marlins 01/30/2026 2026 NE CS Silver Championships
50 Breast
49.87
49.87
100 Breast
53.99
1:43.86
100 Breast
1:43.86
2002 Zachary Zourdos 1:43.86 10 B Min BB: 1:42.29 (+1.57s | 1.5%) SwimFast 12/05/2025 2025 FG Holiday Champ
50 Breast
50.03
50.03
100 Breast
53.83
1:43.86
100 Breast
1:43.86
2003 Colson Glatzer 1:43.87 9 B Min BB: 1:42.29 (+1.58s | 1.5%) Piranha Aquatics 02/20/2026 2026 OH Akron SC Regional Championships
50 Breast
49.69
49.69
100 Breast
54.18
1:43.87
100 Breast
1:43.87
2004 Carter Kolakowski 1:43.87 10 B Min BB: 1:42.29 (+1.58s | 1.5%) Naval Academy Aquatic Club 01/17/2026 2026 Duck Bowl
2005 Parker Leighton 1:43.87 10 B Min BB: 1:42.29 (+1.58s | 1.5%) Oly Swimming 02/06/2026 2026 Michigan Open
50 Breast
50.43
50.43
100 Breast
53.44
1:43.87
100 Breast
1:43.87
2006 Kekalaholuokekaipueo Hanson 1:43.88 10 B Min BB: 1:42.29 (+1.59s | 1.5%) Punahou Aquatics Institute 11/09/2025 OSL A+ SCY Meet
50 Breast
47.88
47.88
100 Breast
56.00
1:43.88
100 Breast
1:43.88
2007 Liam MacPherson 1:43.89 10 B Min BB: 1:42.29 (+1.60s | 1.5%) Nova of Virginia 01/09/2026 NOVA New Year S Kick Off
50 Breast
49.45
49.45
100 Breast
54.44
1:43.89
100 Breast
1:43.89
2008 Jack Sabatini 1:43.92 10 B Min BB: 1:42.29 (+1.63s | 1.6%) Huntsville Swim Association 01/16/2026 2026 HSA TYR Invitational
50 Breast
50.71
50.71
100 Breast
53.21
1:43.92
100 Breast
1:43.92
2009 Nicholas Galvin 1:43.93 10 B Min BB: 1:42.29 (+1.64s | 1.6%) Sarasota Sharks 01/23/2026 2026 Hot Chocolate Invite
50 Breast
49.16
49.16
100 Breast
54.77
1:43.93
100 Breast
1:43.93
2010 Owen Nguyen 1:43.93 10 B Min BB: 1:42.29 (+1.64s | 1.6%) Hurricane Penguins Swim Club 10/10/2025 2025 HVP IMX Challenge Open Invitational
2011 CarlosRoberto Andara 1:43.93 9 B Min BB: 1:42.29 (+1.64s | 1.6%) Eagle Aquatics 10/10/2025 2025 Gulliver Fall Classic
50 Breast
49.34
49.34
100 Breast
54.59
1:43.93
100 Breast
1:43.93
2012 Alexander Pevzner 1:43.93 10 B Min BB: 1:42.29 (+1.64s | 1.6%) Ridgewood YMCA Breakers Swim T 11/14/2025 2025 MR COND November IMX Invitational
50 Breast
48.12
48.12
100 Breast
55.81
1:43.93
100 Breast
1:43.93
2013 Charles Zborowski 1:43.94 10 B Min BB: 1:42.29 (+1.65s | 1.6%) North Palm Beach Swim Club 01/23/2026 SPEEDO CUP CLOSED INVITE Copied
50 Breast
47.18
47.18
100 Breast
56.76
1:43.94
100 Breast
1:43.94
2014 Bernardo Marques 1:43.94 10 B Min BB: 1:42.29 (+1.65s | 1.6%) Pine Crest Swimming 01/16/2026 2026 Speedo SoFlo Open
50 Breast
48.35
48.35
100 Breast
55.59
1:43.94
100 Breast
1:43.94
2015 Luke Zhong 1:43.94 9 B Min BB: 1:42.29 (+1.65s | 1.6%) X-Cel Swimming 01/23/2026 2026 USAS IMX Games
50 Breast
51.48
51.48
100 Breast
52.46
1:43.94
100 Breast
1:43.94
2016 Henry Burns 1:43.96 9 B Min BB: 1:42.29 (+1.67s | 1.6%) Beast 12/04/2025 2025 Holiday Swim Festival
50 Breast
50.97
50.97
100 Breast
52.99
1:43.96
100 Breast
1:43.96
2017 Quintus Cheung 1:43.96 8 B Min BB: 1:42.29 (+1.67s | 1.6%) Milpitas Aquatic Club 02/07/2026 Valley Splash Short Course C B A Meet
2018 Marvin Yang 1:43.97 9 B Min BB: 1:42.29 (+1.68s | 1.6%) Annapolis Swim Club 03/13/2026 2026 Speedo Maryland Junior Championship Si
50 Breast
50.34
50.34
100 Breast
53.63
1:43.97
100 Breast
1:43.97
2019 Arthur Dauletbaev 1:43.98 9 B Min BB: 1:42.29 (+1.69s | 1.6%) Wave Aquatics 01/24/2026 2026 PN WAVE Winter Invitational Approved
50 Breast
49.03
49.03
100 Breast
54.95
1:43.98
100 Breast
1:43.98
2020 Michael Ancona 1:44.00 9 B Min BB: 1:42.29 (+1.71s | 1.6%) Jupiter Dragons Swim Team 02/06/2026 2026 Matt Mounts Memorial Swim Meet
50 Breast
49.28
49.28
100 Breast
54.72
1:44.00
100 Breast
1:44.00
2021 Kyle Yun-Choi 1:44.02 9 B Min BB: 1:42.29 (+1.73s | 1.7%) Rockville Montgomery Swim Club 03/20/2026 2026 RMSC Spring Finale
2022 Valentino Agresti 1:44.03 9 B Min BB: 1:42.29 (+1.74s | 1.7%) Punahou Aquatics Institute 04/18/2026 44th Annual Harry Mamizuka Invitational
50 Breast
50.60
50.60
100 Breast
53.43
1:44.03
100 Breast
1:44.03
2023 Louis Han 1:44.04 10 B Min BB: 1:42.29 (+1.75s | 1.7%) Dynamo Swim Club 10/17/2025 2025 HSA Fran Norris Meet
50 Breast
51.63
51.63
100 Breast
52.41
1:44.04
100 Breast
1:44.04
2024 Luke Malovany 1:44.06 10 B Min BB: 1:42.29 (+1.77s | 1.7%) Fenix Swim Club 06/06/2026 NMST June Invite 26
50 Breast
51.39
51.39
100 Breast
52.67
1:44.06
100 Breast
1:44.06
2025 Caffrey Cooke-Ennis 1:44.06 10 B Min BB: 1:42.29 (+1.77s | 1.7%) South Shore YMCA Strypers 10/17/2025 2025 NE NSSC Beede Halloween Classic Copied
50 Breast
49.12
49.12
100 Breast
54.94
1:44.06
100 Breast
1:44.06
2026 Quinn Katene 1:44.07 10 B Min BB: 1:42.29 (+1.78s | 1.7%) Badger Swim Club,Inc. 11/21/2025 2025 MR LIAC Thanksgiving Invite
50 Breast
50.11
50.11
100 Breast
53.96
1:44.07
100 Breast
1:44.07
2027 Stefano Ferrarese 1:44.07 9 B Min BB: 1:42.29 (+1.78s | 1.7%) Nitro Swimming 01/31/2026 2026 ST NTRO Fiery Flames
50 Breast
49.89
49.89
100 Breast
54.18
1:44.07
100 Breast
1:44.07
2028 Clayton Chester 1:44.09 10 B Min BB: 1:42.29 (+1.80s | 1.7%) Heartland Swim Assoc 11/08/2025 HSA All Ages NTS
2029 Ely Marsh 1:44.09 10 B Min BB: 1:42.29 (+1.80s | 1.7%) Sarasota Tsunami Swim Team 02/07/2026 2026 GCST WINTER OPEN
50 Breast
49.85
49.85
100 Breast
54.24
1:44.09
100 Breast
1:44.09
2030 Remington Tucker 1:44.09 10 B Min BB: 1:42.29 (+1.80s | 1.7%) Huntsville Swim Association 02/06/2026 2026 SES Region 3 Champions
50 Breast
50.41
50.41
100 Breast
53.68
1:44.09
100 Breast
1:44.09
2031 Tobias Dirks 1:44.10 10 B Min BB: 1:42.29 (+1.81s | 1.7%) Swim Kauai Aquatics 04/25/2026 SKA Home Meet 42526 MOCK Day 1 Copied
50 Breast
49.84
49.84
100 Breast
54.26
1:44.10
100 Breast
1:44.10
2032 Saien Wu 1:44.10 10 B Min BB: 1:42.29 (+1.81s | 1.7%) Bellevue Club Swim Team 06/20/2025 2025 PN SRST StingRay Invitational
50 Breast
49.83
49.83
100 Breast
54.27
1:44.10
100 Breast
1:44.10
2033 Hudson Sydor 1:44.12 8 B Min BB: 1:42.29 (+1.83s | 1.8%) SwimMAC Carolina 12/05/2025 2025 NC SwimMAC December Invite
50 Breast
50.19
50.19
100 Breast
53.93
1:44.12
100 Breast
1:44.12
2034 Lochlan Ong 1:44.13 9 B Min BB: 1:42.29 (+1.84s | 1.8%) Nation\\\\\\'s Capital Swim Club 01/10/2026 2026 MAKO POLAR PLUNGE
50 Breast
50.21
50.21
100 Breast
53.92
1:44.13
100 Breast
1:44.13
2035 Charles Sanders 1:44.13 10 B Min BB: 1:42.29 (+1.84s | 1.8%) Tac Titans 01/16/2026 2026 Vector Security Polar Plunge Meet
50 Breast
49.98
49.98
100 Breast
54.15
1:44.13
100 Breast
1:44.13
2036 Chase White 1:44.13 10 B Min BB: 1:42.29 (+1.84s | 1.8%) South Valley Makos 10/17/2025 2025 KING OF THE HILL CHALLENGE
2037 Gabriel Rhodes-Ondi 1:44.15 10 B Min BB: 1:42.29 (+1.86s | 1.8%) Treasure Coast Swimming 01/24/2026 2026 TCA Winter Open
50 Breast
50.20
50.20
100 Breast
53.95
1:44.15
100 Breast
1:44.15
2038 Brij Fitzgerald 1:44.16 9 B Min BB: 1:42.29 (+1.87s | 1.8%) Tollefson Swimming 02/27/2026 2026 Cherry Blossom Champs
50 Breast
50.87
50.87
100 Breast
53.29
1:44.16
100 Breast
1:44.16
2039 Jack Schuster 1:44.16 10 B Min BB: 1:42.29 (+1.87s | 1.8%) Ridgewood YMCA Breakers Swim T 03/20/2026 2026 NE NSSC March Madness At MIT
50 Breast
48.79
48.79
100 Breast
55.37
1:44.16
100 Breast
1:44.16
2040 Houston Coghill 1:44.16 10 B Min BB: 1:42.29 (+1.87s | 1.8%) SwimEnergy Aquatics 02/07/2026 2026 GCST WINTER OPEN
50 Breast
52.07
52.07
100 Breast
52.09
1:44.16
100 Breast
1:44.16
2041 Jaylen Chen 1:44.16 10 B Min BB: 1:42.29 (+1.87s | 1.8%) Riptide Swim Team 01/03/2026 2026 MN SHRK Freezing Your Fins Off
50 Breast
49.93
49.93
100 Breast
54.23
1:44.16
100 Breast
1:44.16
2042 Theodore Cook 1:44.17 9 B Min BB: 1:42.29 (+1.88s | 1.8%) SlipStream Aquatics 02/13/2026 2026 CO NJ Groundhog Invite
50 Breast
50.03
50.03
100 Breast
54.14
1:44.17
100 Breast
1:44.17
2043 Maxwell Ma 1:44.18 10 B Min BB: 1:42.29 (+1.89s | 1.8%) The Fish 03/20/2026 26th Annual Spring Championships
50 Breast
50.94
50.94
100 Breast
53.24
1:44.18
100 Breast
1:44.18
2044 Lucas Hernandez 1:44.20 10 B Min BB: 1:42.29 (+1.91s | 1.8%) Bellevue Club Swim Team 03/28/2026 2026 PN Spring Showdown, Div1 Approved
50 Breast
48.99
48.99
100 Breast
55.21
1:44.20
100 Breast
1:44.20
2045 Bentley Frost 1:44.20 10 B Min BB: 1:42.29 (+1.91s | 1.8%) Pierre Swim Team 01/30/2026 2026 SD Capital City Qualifier
50 Breast
50.08
50.08
100 Breast
54.12
1:44.20
100 Breast
1:44.20
2046 Colin Verb 1:44.22 10 B Min BB: 1:42.29 (+1.93s | 1.9%) Pointe Aquatics 01/10/2026 2026 PA Invite
50 Breast
51.81
51.81
100 Breast
52.41
1:44.22
100 Breast
1:44.22
2047 Cyrus Yang 1:44.22 10 B Min BB: 1:42.29 (+1.93s | 1.9%) Quicksilver Swimming 10/11/2025 QSS Santa Cruz Competenicia C B A+
2048 Lucas Alexander 1:44.22 10 B Min BB: 1:42.29 (+1.93s | 1.9%) Battlefield Area Star Swimmers 01/16/2026 CA Y Winter Rumble Copied
50 Breast
48.82
48.82
100 Breast
55.40
1:44.22
100 Breast
1:44.22
2049 Tyler Henry 1:44.22 10 B Min BB: 1:42.29 (+1.93s | 1.9%) Lynchburg YMCA Swim Team 10/18/2025 LY 2025 YMCA October Meet
50 Breast
51.44
51.44
100 Breast
52.78
1:44.22
100 Breast
1:44.22
2050 Andrew Yang 1:44.23 9 B Min BB: 1:42.29 (+1.94s | 1.9%) Pacific Dragons Swim Team 02/07/2026 2026 PN IST Feb Winter Invitational Approved
50 Breast
50.57
50.57
100 Breast
53.66
1:44.23
100 Breast
1:44.23

Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.