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USA Boys 10 & under - 100 M 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
51 Isaac Zhang 1:33.59 9 AAA Min AAAA: 1:31.69 (+1.90s | 2.0%) First Colony Swim Team, Inc. 07/16/2025 2025 Texas Age Group Championships
50 Breast
44.38
44.38
100 Breast
49.21
1:33.59
100 Breast
1:33.59
52 Simon Feldman 1:33.61 9 AAA Min AAAA: 1:31.69 (+1.92s | 2.1%) Fast Lane Aquatics 07/09/2026 2026 FL Summer Age Group Championships
50 Breast
45.15
45.15
100 Breast
48.46
1:33.61
100 Breast
1:33.61
53 Johann Gomez Ugalde 1:33.61 10 AAA Min AAAA: 1:31.69 (+1.92s | 2.1%) Southwest Stars Swim Club 07/09/2026 2026 FL Summer Age Group Championships
50 Breast
45.07
45.07
100 Breast
48.54
1:33.61
100 Breast
1:33.61
54 Nicholas Liu 1:33.71 10 AAA Min AAAA: 1:31.69 (+2.02s | 2.2%) Alto Swim Club 07/17/2026 2026 Adam Szmidt Memorial PC Summer AG Champs
50 Breast
43.63
43.63
100 Breast
50.08
1:33.71
100 Breast
1:33.71
55 Jacob Bao 1:33.77 10 AAA Min AAAA: 1:31.69 (+2.08s | 2.2%) Tac Titans 06/11/2026 2026 CMC Triangle Classic Meet
50 Breast
44.47
44.47
100 Breast
49.30
1:33.77
100 Breast
1:33.77
56 Ti Dawson 1:33.99 10 AAA Min AAAA: 1:31.69 (+2.30s | 2.4%) SwimMAC Carolina 07/16/2026 2026 NCS LC AG Championships
50 Breast
45.67
45.67
100 Breast
48.32
1:33.99
100 Breast
1:33.99
57 Taenam Oh jr 1:34.14 9 AAA Min AAAA: 1:31.69 (+2.45s | 2.6%) Bolles School Sharks 04/25/2025 14th Annual JAX50 Sprint Dual Challenge
58 Silas Sebera 1:34.23 10 AAA Min AAAA: 1:31.69 (+2.54s | 2.7%) Legacy Swim Club 07/16/2026 2026 Virginia Swimming LC Age Group Champions
50 Breast
44.15
44.15
100 Breast
50.08
1:34.23
100 Breast
1:34.23
59 Nathan Campbell 1:34.32 9 AAA Min AAAA: 1:31.69 (+2.63s | 2.8%) Southwestern Aquatics Team - S 07/03/2026 2026 Keo Nakama Swim Meet
60 Tyrus Lu 1:34.45 10 AAA Min AAAA: 1:31.69 (+2.76s | 2.9%) Tac Titans 07/16/2026 2026 NCS LC AG Championships
50 Breast
44.98
44.98
100 Breast
49.47
1:34.45
100 Breast
1:34.45
61 Hanlin Fang 1:34.58 10 AAA Min AAAA: 1:31.69 (+2.89s | 3.1%) White Water 07/23/2026 2026 NJ Swim LC Gold Championships
50 Breast
46.02
46.02
100 Breast
48.56
1:34.58
100 Breast
1:34.58
62 Ethan Liang 1:34.61 8 AAA Min AAAA: 1:31.69 (+2.92s | 3.1%) Xtreme Swim Club 07/17/2026 2026 NE MST ESC LCM 12 Under Championship
63 Guoguo Liu 1:34.86 10 AAA Min AAAA: 1:31.69 (+3.17s | 3.3%) Tac Titans 07/16/2026 2026 NCS LC AG Championships
50 Breast
44.72
44.72
100 Breast
50.14
1:34.86
100 Breast
1:34.86
64 August Baikauskas 1:34.91 9 AAA Min AAAA: 1:31.69 (+3.22s | 3.4%) Loyola Blakefield Aquatics 07/29/2026 2026 MD LSC LC Championship
50 Breast
44.70
44.70
100 Breast
50.21
1:34.91
100 Breast
1:34.91
65 Ari Thorne 1:34.92 10 AAA Min AAAA: 1:31.69 (+3.23s | 3.4%) Sarasota Sharks 07/09/2026 2026 FL Summer Age Group Championships
50 Breast
47.23
47.23
100 Breast
47.69
1:34.92
100 Breast
1:34.92
66 Oliver Gist-Pitts 1:34.93 10 AAA Min AAAA: 1:31.69 (+3.24s | 3.4%) Riptide Swim Team 07/24/2026 2026 CO Age Group LCM State Championships
50 Breast
45.44
45.44
100 Breast
49.49
1:34.93
100 Breast
1:34.93
67 John Stitzenberg 1:35.01 9 AAA Min AAAA: 1:31.69 (+3.32s | 3.5%) North Carolina Aquatic Club 06/25/2026 ONSA Independence Invitational Copied
50 Breast
47.02
47.02
100 Breast
47.99
1:35.01
100 Breast
1:35.01
68 Jordan Lemmon 1:35.12 9 AAA Min AAAA: 1:31.69 (+3.43s | 3.6%) Central Ohio Aquatics 07/23/2026 2026 OH LC Junior Championships
50 Breast
47.32
47.32
100 Breast
47.80
1:35.12
100 Breast
1:35.12
69 Thiago Mantilla 1:35.12 10 AAA Min AAAA: 1:31.69 (+3.43s | 3.6%) South Florida Aquatic Club 07/16/2026 2026 FGC Summer LC Age Group Championships
70 Miles Lee 1:35.23 10 AAA Min AAAA: 1:31.69 (+3.54s | 3.7%) New Wave Swim Team 07/16/2026 2026 NCS LC AG Championships
50 Breast
45.57
45.57
100 Breast
49.66
1:35.23
100 Breast
1:35.23
71 Devin Song 1:35.31 9 AAA Min AAAA: 1:31.69 (+3.62s | 3.8%) Rose Bowl Aquatics 07/23/2026 2026 CA SCS Summer A G Champs @ BREA
72 Matthew Ko 1:35.44 10 AAA Min AAAA: 1:31.69 (+3.75s | 3.9%) Aspire Aquatics of Colorado 07/24/2026 2026 CO Age Group LCM State Championships
50 Breast
46.27
46.27
100 Breast
49.17
1:35.44
100 Breast
1:35.44
73 Yusen Wang 1:35.51 9 AAA Min AAAA: 1:31.69 (+3.82s | 4.0%) Irvine Novaquatics 06/11/2026 2026 SCS June AG Invite
50 Breast
46.95
46.95
100 Breast
48.56
1:35.51
100 Breast
1:35.51
74 Cameron Boitano 1:35.53 10 AAA Min AAAA: 1:31.69 (+3.84s | 4.0%) Pleasanton Seahawks 07/30/2026 Long Course Far Westerns
75 Dexter Danont 1:35.56 10 AAA Min AAAA: 1:31.69 (+3.87s | 4.0%) Arctic Aquatics 05/08/2026 2026 NE CRA MIT Team Specialty LC Meet
76 Rafael Hewett 1:35.58 9 AAA Min AAAA: 1:31.69 (+3.89s | 4.1%) New Wave Swim Team 07/24/2026 2026 TAC TITANS Closeout Meet
50 Breast
45.54
45.54
100 Breast
50.04
1:35.58
100 Breast
1:35.58
77 Zachary Zeng 1:35.59 10 AAA Min AAAA: 1:31.69 (+3.90s | 4.1%) Waterloo Swimming 05/22/2026 2026 ST ASC Spring Showcase
50 Breast
46.66
46.66
100 Breast
48.93
1:35.59
100 Breast
1:35.59
78 Kevin Liu 1:35.64 10 AAA Min AAAA: 1:31.69 (+3.95s | 4.1%) Arctic Aquatics 07/11/2026 2026 NE YNS July Last Chance Meet
50 Breast
45.76
45.76
100 Breast
49.88
1:35.64
100 Breast
1:35.64
79 Philip Rodriguez 1:35.65 10 AAA Min AAAA: 1:31.69 (+3.96s | 4.1%) Tac Titans 07/16/2026 2026 NCS LC AG Championships
50 Breast
44.61
44.61
100 Breast
51.04
1:35.65
100 Breast
1:35.65
80 Kyle Tang 1:35.67 9 AAA Min AAAA: 1:31.69 (+3.98s | 4.2%) Aquazot Swim Club 06/11/2026 ARMADA 2026 SCS June AG Invite
81 Eddy Qian 1:35.75 10 AAA Min AAAA: 1:31.69 (+4.06s | 4.2%) Arctic Aquatics 07/11/2026 2026 NE YNS July Last Chance Meet
50 Breast
44.01
44.01
100 Breast
51.74
1:35.75
100 Breast
1:35.75
82 Yixuan Zhu 1:35.89 10 AAA Min AAAA: 1:31.69 (+4.20s | 4.4%) Pleasanton Seahawks 07/30/2026 Long Course Far Westerns
83 Lennox Luning 1:35.92 10 AAA Min AAAA: 1:31.69 (+4.23s | 4.4%) Naval Academy Aquatic Club 06/12/2026 2026 SwimRVA Summer Invitational
50 Breast
47.80
47.80
100 Breast
48.12
1:35.92
100 Breast
1:35.92
84 David Xiong 1:35.99 8 AAA Min AAAA: 1:31.69 (+4.30s | 4.5%) Arctic Aquatics 07/17/2026 2026 NE MST ESC LCM 12 Under Championship
85 Harry Gerasim 1:36.00 10 AAA Min AAAA: 1:31.69 (+4.31s | 4.5%) Eagle Aquatics 07/16/2026 2026 FGC Summer LC Age Group Championships
50 Breast
45.57
45.57
100 Breast
50.43
1:36.00
100 Breast
1:36.00
86 Jacob Liu 1:36.03 10 AAA Min AAAA: 1:31.69 (+4.34s | 4.5%) Aquazot Swim Club 07/16/2026 2026 SCS ELITE Age Group LCM Championship
50 Breast
45.44
45.44
100 Breast
50.59
1:36.03
100 Breast
1:36.03
87 Nhat Tran 1:36.03 10 AAA Min AAAA: 1:31.69 (+4.34s | 4.5%) Olympic Cascade Aquatics 07/23/2026 2026 PN LC 12 U Championships Approved
50 Breast
44.42
44.42
100 Breast
51.61
1:36.03
100 Breast
1:36.03
88 James Wells 1:36.10 10 AAA Min AAAA: 1:31.69 (+4.41s | 4.6%) Unattached 08/06/2026 2026 CZ 14 U Championship Meet MN
50 Breast
45.31
45.31
100 Breast
50.79
1:36.10
100 Breast
1:36.10
89 Wyatt Larson 1:36.20 10 AAA Min AAAA: 1:31.69 (+4.51s | 4.7%) Denver Swim Academy 07/24/2026 2026 CO Age Group LCM State Championships
50 Breast
48.04
48.04
100 Breast
48.16
1:36.20
100 Breast
1:36.20
90 Simon Krel 1:36.21 10 AAA Min AAAA: 1:31.69 (+4.52s | 4.7%) Metro Area Life Time 06/20/2026 2026 Hot Summer Nights
50 Breast
47.71
47.71
100 Breast
48.50
1:36.21
100 Breast
1:36.21
91 Zeeon Zang 1:36.23 8 AAA Min AAAA: 1:31.69 (+4.54s | 4.7%) X-Cel Swimming 07/23/2026 2026 NJ Swim LC Gold Championships
50 Breast
47.10
47.10
100 Breast
49.13
1:36.23
100 Breast
1:36.23
92 Ari Mobasseri 1:36.36 8 AA Min AAA: 1:36.29 (+0.07s | 0.1%) Aquazot Swim Club 07/16/2026 2026 SCS ELITE Age Group LCM Championship
50 Breast
44.79
44.79
100 Breast
51.57
1:36.36
100 Breast
1:36.36
93 Liam Dunn 1:36.38 10 AA Min AAA: 1:36.29 (+0.09s | 0.1%) Meadowbrook Swim Team 07/29/2026 2026 MD LSC LC Championship
50 Breast
45.49
45.49
100 Breast
50.89
1:36.38
100 Breast
1:36.38
94 Braylon Ward 1:36.43 10 AA Min AAA: 1:36.29 (+0.14s | 0.1%) Aquatex Swim & Water Polo Team 07/09/2026 2026 ST NIST LC STAGS
50 Breast
45.81
45.81
100 Breast
50.62
1:36.43
100 Breast
1:36.43
95 Troy Cary 1:36.44 10 AA Min AAA: 1:36.29 (+0.15s | 0.2%) Alamo Heights Aquatic Club ? A 05/15/2026 2026 ST NIST Salute To The Troops
50 Breast
45.70
45.70
100 Breast
50.74
1:36.44
100 Breast
1:36.44
96 Dylan Deahn 1:36.46 9 AA Min AAA: 1:36.29 (+0.17s | 0.2%) Csp Tideriders 07/23/2026 2026 Ozark Long Course Champs Copied
50 Breast
45.92
45.92
100 Breast
50.54
1:36.46
100 Breast
1:36.46
97 Alexander Xie 1:36.48 10 AA Min AAA: 1:36.29 (+0.19s | 0.2%) Carmel Swim Club 06/04/2026 98th Ohio Valley Championships 2026
98 Benjamin Hankinson 1:36.61 10 AA Min AAA: 1:36.29 (+0.32s | 0.3%) Jupiter Dragons Swim Team 07/16/2026 2026 FGC Summer LC Age Group Championships
50 Breast
45.02
45.02
100 Breast
51.59
1:36.61
100 Breast
1:36.61
99 Aaron Yang 1:36.82 10 AA Min AAA: 1:36.29 (+0.53s | 0.5%) Tac Titans 07/16/2026 2026 NCS LC AG Championships
50 Breast
47.06
47.06
100 Breast
49.76
1:36.82
100 Breast
1:36.82
100 Allister Georgiou 1:36.86 10 AA Min AAA: 1:36.29 (+0.57s | 0.6%) McGrath Marlins Swim Team 07/23/2026 2026 SI LC AGE GROUP CHAMPIONSHIPS
50 Breast
46.52
46.52
100 Breast
50.34
1:36.86
100 Breast
1:36.86

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.