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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
301 Oliver Istvan 1:21.41 9 AAA Min AAAA: 1:18.79 (+2.62s | 3.2%) Snohomish 02/14/2025 2025 Northwest District 1 3A Boys HS Champs
50 Breast
38.99
38.99
100 Breast
42.42
1:21.41
100 Breast
1:21.41
302 Maxim Kurochkin 1:21.47 10 AAA Min AAAA: 1:18.79 (+2.68s | 3.3%) Cat 5 Aquatics 02/27/2026 2026 SE Southeastern Winter SC Championships
50 Breast
38.27
38.27
100 Breast
43.20
1:21.47
100 Breast
1:21.47
303 Oliver Yang 1:21.51 10 AAA Min AAAA: 1:18.79 (+2.72s | 3.3%) Charles River Aquatics 01/09/2026 2026 NE CRA New Year Distance And Specialty
50 Breast
39.73
39.73
100 Breast
41.78
1:21.51
100 Breast
1:21.51
304 Kyle Dotts 1:21.51 10 AAA Min AAAA: 1:18.79 (+2.72s | 3.3%) Irvine Novaquatics 12/12/2025 2025 CA SCS SCAT WAG
50 Breast
40.34
40.34
100 Breast
41.17
1:21.51
100 Breast
1:21.51
305 Royce Rackley 1:21.52 10 AAA Min AAAA: 1:18.79 (+2.73s | 3.3%) Crater 02/12/2026 2026 OR HS 5A 2
50 Breast
37.81
37.81
100 Breast
43.71
1:21.52
100 Breast
1:21.52
306 Micki Flores 1:21.55 9 AAA Min AAAA: 1:18.79 (+2.76s | 3.4%) El Paso Bel Air 11/21/2025 2025 BD UIL EPISD Invite
307 Benjamin Balmaceda 1:21.62 10 AAA Min AAAA: 1:18.79 (+2.83s | 3.5%) Alamo Heights Aquatic Club ? A 02/20/2026 2026 ST AAAA SC STAGS
50 Breast
38.72
38.72
100 Breast
42.90
1:21.62
100 Breast
1:21.62
308 Robert Wasilewski 1:21.62 10 AAA Min AAAA: 1:18.79 (+2.83s | 3.5%) The St. James Swim Club 02/07/2026 2026 MAKO QUALIFIER
50 Breast
38.46
38.46
100 Breast
43.16
1:21.62
100 Breast
1:21.62
309 Aaron Xu 1:21.62 9 AAA Min AAAA: 1:18.79 (+2.83s | 3.5%) X-Cel Swimming 01/23/2026 2026 USAS IMX Games
50 Breast
39.73
39.73
100 Breast
41.89
1:21.62
100 Breast
1:21.62
310 Aurelius Lien 1:21.66 9 AAA Min AAAA: 1:18.79 (+2.87s | 3.5%) Santa Clara Swim Club 02/21/2026 Pacific Swimming 10 U SCY Championship
311 Liam Lewis 1:21.66 8 AAA Min AAAA: 1:18.79 (+2.87s | 3.5%) Logan County High School 12/13/2025 2025 WCST Holiday Invitational
50 Breast
37.75
37.75
100 Breast
43.91
1:21.66
100 Breast
1:21.66
312 Nathan Huo 1:21.69 14 AAA Min AAAA: 1:18.79 (+2.90s | 3.6%) Soda Fall 11/01/2025 Kati McDermott Memorial Fall Jamboree Invite
313 Peter Rechenmacher 1:21.72 10 AAA Min AAAA: 1:18.79 (+2.93s | 3.6%) Harbor Bay 02/13/2026 Boys District IV 2A Champs 2026
50 Breast
37.92
37.92
100 Breast
43.80
1:21.72
100 Breast
1:21.72
314 Ethan An 1:21.76 11 AAA Min AAAA: 1:18.79 (+2.97s | 3.6%) Long Island Aquatic Club 03/13/2026 2026 MR SC Junior Metropolitan Championships
50 Breast
39.59
39.59
100 Breast
42.17
1:21.76
100 Breast
1:21.76
315 Ewan Norland 1:21.77 10 AAA Min AAAA: 1:18.79 (+2.98s | 3.6%) Springfield 02/12/2026 2026 OR HS 5A 2
50 Breast
38.00
38.00
100 Breast
43.77
1:21.77
100 Breast
1:21.77
316 Zachary Brill 1:21.79 10 AAA Min AAAA: 1:18.79 (+3.00s | 3.7%) Aquatex Swim & Water Polo Team 02/20/2026 2026 ST AAAA SC STAGS
50 Breast
39.36
39.36
100 Breast
42.43
1:21.79
100 Breast
1:21.79
317 Dennis Hauser 1:21.80 10 AAA Min AAAA: 1:18.79 (+3.01s | 3.7%) Asphalt Green Unified Aquatics 01/30/2026 2026 MR LIE Second Chance Invitational
50 Breast
39.20
39.20
100 Breast
42.60
1:21.80
100 Breast
1:21.80
318 Isen Wolfe 1:21.84 10 AAA Min AAAA: 1:18.79 (+3.05s | 3.7%) Saint Petersburg Aquatics 02/06/2026 2026 TBAC Winter Meet Copied
50 Breast
38.96
38.96
100 Breast
42.88
1:21.84
100 Breast
1:21.84
319 Atticus Newbury 1:21.85 10 AAA Min AAAA: 1:18.79 (+3.06s | 3.7%) Twisters Swim Club 03/13/2026 2026 MR SC Junior Metropolitan Championships
50 Breast
39.74
39.74
100 Breast
42.11
1:21.85
100 Breast
1:21.85
320 Yutaka Marescot 1:21.85 10 AAA Min AAAA: 1:18.79 (+3.06s | 3.7%) Phoenix Aquatic Club 01/10/2026 2026 MR WEST Chris Dewey Trophy Meet
50 Breast
39.08
39.08
100 Breast
42.77
1:21.85
100 Breast
1:21.85
321 Ethan Morrison 1:21.90 9 AAA Min AAAA: 1:18.79 (+3.11s | 3.8%) Riverdale High School 10/13/2025 Lee County Athletic Conference Copied
50 Breast
39.21
39.21
100 Breast
42.69
1:21.90
100 Breast
1:21.90
322 Landon LaCourciere 1:21.90 9 AAA Min AAAA: 1:18.79 (+3.11s | 3.8%) Lake Orion 02/25/2026 2026 Boys OAA Red Division Championships
50 Breast
37.66
37.66
100 Breast
44.24
1:21.90
100 Breast
1:21.90
323 Shawn Wu 1:21.97 10 AAA Min AAAA: 1:18.79 (+3.18s | 3.9%) Brea Aquatics 12/12/2025 2025 CA SCS RAA WAG
50 Breast
39.97
39.97
100 Breast
42.00
1:21.97
100 Breast
1:21.97
324 Koku Saddawi-Banno 1:22.00 9 AAA Min AAAA: 1:18.79 (+3.21s | 3.9%) Jbarracudas Swim Team 03/06/2026 2026 SI 14U AGE GRP CHAMPIONSHIPS
50 Breast
39.15
39.15
100 Breast
42.85
1:22.00
100 Breast
1:22.00
325 Ori Maccabee 1:22.02 10 AAA Min AAAA: 1:18.79 (+3.23s | 3.9%) Hood River Valley 02/13/2026 2026 OR HS 5a 1
50 Breast
37.54
37.54
100 Breast
44.48
1:22.02
100 Breast
1:22.02
326 Axel Arnoldsson 1:22.05 10 AAA Min AAAA: 1:18.79 (+3.26s | 4.0%) Fenix Swim Club 03/05/2026 2026 FG Age Group SCY Championships
50 Breast
39.13
39.13
100 Breast
42.92
1:22.05
100 Breast
1:22.05
327 Jacob Weaver 1:22.07 10 AAA Min AAAA: 1:18.79 (+3.28s | 4.0%) SwimUnited 03/12/2026 2026 OH SC Junior Championships
50 Breast
38.62
38.62
100 Breast
43.45
1:22.07
100 Breast
1:22.07
328 Parker Burgess 1:22.08 9 AAA Min AAAA: 1:18.79 (+3.29s | 4.0%) Archbishop Murphy High School 02/14/2025 2025 Northwest District 1 2A Boys HS Distri
50 Breast
40.18
40.18
100 Breast
41.90
1:22.08
100 Breast
1:22.08
329 Jacob Bao 1:22.13 9 AAA Min AAAA: 1:18.79 (+3.34s | 4.1%) Tac Titans 02/26/2026 2026 NCS SC AG CHAMPS
50 Breast
39.07
39.07
100 Breast
43.06
1:22.13
100 Breast
1:22.13
330 Robert Obermeyer 1:22.16 10 AAA Min AAAA: 1:18.79 (+3.37s | 4.1%) Piedmont Swim Team 11/08/2025 Albany Armada Aquatics C B BB+ Meet
331 Wenxi Ding 1:22.17 10 AAA Min AAAA: 1:18.79 (+3.38s | 4.1%) Xtreme Swim Club 10/04/2025 2025 NE CRIM IMR PENTATHLON Copied
50 Breast
39.46
39.46
100 Breast
42.71
1:22.17
100 Breast
1:22.17
332 Isaiah Fox 1:22.17 9 AAA Min AAAA: 1:18.79 (+3.38s | 4.1%) Stanwood High School 01/11/2025 2025 Kentridge HS Invitational BOYS OBSERVED
50 Breast
38.17
38.17
100 Breast
44.00
1:22.17
100 Breast
1:22.17
333 Can Ucku 1:22.21 11 AAA Min AAAA: 1:18.79 (+3.42s | 4.2%) Long Island Express 03/13/2026 2026 MR SC Junior Metropolitan Championships
50 Breast
38.22
38.22
100 Breast
43.99
1:22.21
100 Breast
1:22.21
334 Jonah Dashnaw 1:22.24 10 AAA Min AAAA: 1:18.79 (+3.45s | 4.2%) Brother Rice High School (Mi) 03/06/2026 Catholic League Championships Boys 2026
50 Breast
37.95
37.95
100 Breast
44.29
1:22.24
100 Breast
1:22.24
335 Jack Jones 1:22.27 9 AAA Min AAAA: 1:18.79 (+3.48s | 4.2%) Caldera 02/14/2025 2025 OR HS 5a 4
50 Breast
38.93
38.93
100 Breast
43.34
1:22.27
100 Breast
1:22.27
336 Arthur Wang 1:22.32 10 AAA Min AAAA: 1:18.79 (+3.53s | 4.3%) Fort Meigs YMCA Stingrays 03/12/2026 2026 OH SC Junior Championships
50 Breast
38.82
38.82
100 Breast
43.50
1:22.32
100 Breast
1:22.32
337 Rain Liu 1:22.35 10 AAA Min AAAA: 1:18.79 (+3.56s | 4.3%) Rancho San Dieguito 03/06/2026 2026 SI 14U AGE GRP CHAMPIONSHIPS
50 Breast
38.50
38.50
100 Breast
43.85
1:22.35
100 Breast
1:22.35
338 Rossi Cofield 1:22.36 9 AAA Min AAAA: 1:18.79 (+3.57s | 4.3%) Rockville Montgomery Swim Club 12/11/2025 2025 Riley Eaton Holiday Invitational
50 Breast
39.42
39.42
100 Breast
42.94
1:22.36
100 Breast
1:22.36
339 Nihan Bhimavarapu 1:22.44 11 AAA Min AAAA: 1:18.79 (+3.65s | 4.4%) Revolution Swim Club 03/13/2026 2026 NE INST NE Cup
50 Breast
38.97
38.97
100 Breast
43.47
1:22.44
100 Breast
1:22.44
340 Boone Wheatley 1:22.52 10 AAA Min AAAA: 1:18.79 (+3.73s | 4.5%) SwimMAC Carolina 01/23/2026 2026 NC SwimMAC Battle Of The Crown
50 Breast
39.14
39.14
100 Breast
43.38
1:22.52
100 Breast
1:22.52
341 Matthew Zhao 1:22.52 10 AAA Min AAAA: 1:18.79 (+3.73s | 4.5%) Brea Aquatics 02/13/2026 2026 MVN Lunar AAPI Festival
50 Breast
38.00
38.00
100 Breast
44.52
1:22.52
100 Breast
1:22.52
342 Elliott Austin 1:22.54 10 AAA Min AAAA: 1:18.79 (+3.75s | 4.5%) Grand Rapids Aquatics 11/15/2025 2025 GR Gales Of November Open Invitational
50 Breast
37.58
37.58
100 Breast
44.96
1:22.54
100 Breast
1:22.54
343 Eli Flynn 1:22.55 9 AAA Min AAAA: 1:18.79 (+3.76s | 4.6%) Lynden 02/13/2026 2026 (WIAA) NW District 1 2A Boys HS OB
50 Breast
39.36
39.36
100 Breast
43.19
1:22.55
100 Breast
1:22.55
344 Jia Wei 1:22.57 10 AAA Min AAAA: 1:18.79 (+3.78s | 4.6%) Alto Swim Club 04/03/2025 Pacific Swimming SC Far Western Champs
50 Breast
40.08
40.08
100 Breast
42.49
1:22.57
100 Breast
1:22.57
345 Charlie Lockett 1:22.62 9 AAA Min AAAA: 1:18.79 (+3.83s | 4.6%) Nitro Swimming 02/20/2026 2026 ST AAAA SC STAGS
50 Breast
39.00
39.00
100 Breast
43.62
1:22.62
100 Breast
1:22.62
346 Patrick Rollins 1:22.67 10 AAA Min AAAA: 1:18.79 (+3.88s | 4.7%) Atlantis Swimming 03/14/2026 2026 SCY 10 Under Championship Meet
50 Breast
39.93
39.93
100 Breast
42.74
1:22.67
100 Breast
1:22.67
347 Zachary Zeng 1:22.83 10 AA Min AAA: 1:22.69 (+0.14s | 0.2%) Waterloo Swimming 02/20/2026 2026 ST AAAA SC STAGS
50 Breast
40.48
40.48
100 Breast
42.35
1:22.83
100 Breast
1:22.83
348 Artin Bonakchi 1:22.85 10 AA Min AAA: 1:22.69 (+0.16s | 0.2%) Unattached 12/12/2025 2025 ST AAAA NS Winter Wonderland
50 Breast
40.42
40.42
100 Breast
42.43
1:22.85
100 Breast
1:22.85
349 Tyson Wager 1:22.86 10 AA Min AAA: 1:22.69 (+0.17s | 0.2%) Machine Aquatics 03/12/2026 2026 PV SC 14 Under Championships Copied
50 Breast
39.82
39.82
100 Breast
43.04
1:22.86
100 Breast
1:22.86
350 Timofey Belov 1:22.92 10 AA Min AAA: 1:22.69 (+0.23s | 0.3%) Pikes Peak Athletics 02/27/2026 2026 CO CSI SC Age Group Championships
50 Breast
38.88
38.88
100 Breast
44.04
1:22.92
100 Breast
1:22.92

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.