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USA Boys 10 & under - 100 Y Free

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
401 Warren Cann 1:03.66 9 AAA Min AAAA: 1:00.69 (+2.97s | 4.7%) New Albany Aquatic Club 03/12/2026 2026 OH SC Junior Championships
402 Isaac Dai 1:03.68 9 AAA Min AAAA: 1:00.69 (+2.99s | 4.7%) Mission Viejo Nadadores 12/12/2025 2025 CA SCS RAA WAG
50 Free
31.23
31.23
100 Free
32.45
1:03.68
100 Free
1:03.68
403 Jeffrey Ok 1:03.69 10 AAA Min AAAA: 1:00.69 (+3.00s | 4.7%) Long Island Aquatic Club 03/13/2026 2026 MR SC Junior Metropolitan Championships
50 Free
30.87
30.87
100 Free
32.82
1:03.69
100 Free
1:03.69
404 Jonah Mandell 1:03.71 10 AAA Min AAAA: 1:00.69 (+3.02s | 4.7%) Bayside Aquatics 03/05/2026 2026 MD LSC 14 U Championships
50 Free
30.12
30.12
100 Free
33.59
1:03.71
100 Free
1:03.71
405 Kyran Biesack 1:03.71 10 AAA Min AAAA: 1:00.69 (+3.02s | 4.7%) Corvallis 02/15/2025 2025 OR HS 5a 3
50 Free
30.58
30.58
100 Free
33.13
1:03.71
100 Free
1:03.71
406 Sawyer Olsen 1:03.72 10 AAA Min AAAA: 1:00.69 (+3.03s | 4.8%) Klamath Union 02/14/2025 2025 OR HS 4a 2
50 Free
30.36
30.36
100 Free
33.36
1:03.72
100 Free
1:03.72
407 Shunsuke Suzuki 1:03.76 10 AAA Min AAAA: 1:00.69 (+3.07s | 4.8%) Palo Alto Stanford Aquatics 03/20/2026 SCY Spring Age Group Championships
50 Free
30.60
30.60
100 Free
33.16
1:03.76
100 Free
1:03.76
408 Grayson Dekle 1:03.76 10 AAA Min AAAA: 1:00.69 (+3.07s | 4.8%) Central Ohio Aquatics 03/12/2026 2026 OH SC Junior Championships
50 Free
30.64
30.64
100 Free
33.12
1:03.76
100 Free
1:03.76
409 Jayden Cheng 1:03.77 10 AAA Min AAAA: 1:00.69 (+3.08s | 4.8%) Brea Aquatics 12/12/2025 2025 CA SCS RAA WAG
50 Free
31.00
31.00
100 Free
32.77
1:03.77
100 Free
1:03.77
410 Jerry Ji 1:03.77 10 AAA Min AAAA: 1:00.69 (+3.08s | 4.8%) Brea Aquatics 02/13/2026 2026 MVN Lunar AAPI Festival
50 Free
30.35
30.35
100 Free
33.42
1:03.77
100 Free
1:03.77
411 Lennox Luning 1:03.77 9 AAA Min AAAA: 1:00.69 (+3.08s | 4.8%) Naval Academy Aquatic Club 03/05/2026 2026 MD LSC 14 U Championships
50 Free
31.03
31.03
100 Free
32.74
1:03.77
100 Free
1:03.77
412 Lukas Bell 1:03.80 10 AA Min AAA: 1:03.79 (+0.01s | 0.0%) SwimRVA 03/12/2026 2026 Virginia Swimming SC Age Group Champions
50 Free
31.01
31.01
100 Free
32.79
1:03.80
100 Free
1:03.80
413 Jose Espinosa 1:03.81 9 AA Min AAA: 1:03.79 (+0.02s | 0.0%) Belen Jesuit Preparatory 10/17/2025 2025 Belen Jesuit Invitational
50 Free
30.45
30.45
100 Free
33.36
1:03.81
100 Free
1:03.81
414 Mike Nguyen 1:03.82 10 AA Min AAA: 1:03.79 (+0.03s | 0.0%) Renton 02/07/2025 2025 KingCo Conference Boys HS Champs
50 Free
30.41
30.41
100 Free
33.41
1:03.82
100 Free
1:03.82
415 Eli Dankof 1:03.84 10 AA Min AAA: 1:03.79 (+0.05s | 0.1%) Central Ohio Aquatics 03/12/2026 2026 OH SC Junior Championships
50 Free
30.33
30.33
100 Free
33.51
1:03.84
100 Free
1:03.84
416 Thomas Westcott 1:03.84 10 AA Min AAA: 1:03.79 (+0.05s | 0.1%) Twisters Swim Club 03/13/2026 2026 MR SC Junior Metropolitan Championships
50 Free
31.59
31.59
100 Free
32.25
1:03.84
100 Free
1:03.84
417 Parker Burgess 1:03.87 10 AA Min AAA: 1:03.79 (+0.08s | 0.1%) Archbishop Murphy High School 02/13/2026 2026 (WIAA) NW District 1 2A Boys HS OB
418 Sebastian Horn-Rios 1:03.89 10 AA Min AAA: 1:03.79 (+0.10s | 0.2%) Gators 03/27/2026 2026 Sunshine State Showcase
50 Free
30.66
30.66
100 Free
33.23
1:03.89
100 Free
1:03.89
419 Jefferson Chiang 1:03.90 10 AA Min AAA: 1:03.79 (+0.11s | 0.2%) Irvine Novaquatics 12/12/2025 2025 CA SCS SCAT WAG
50 Free
30.93
30.93
100 Free
32.97
1:03.90
100 Free
1:03.90
420 Keaton Weathers 1:03.92 10 AA Min AAA: 1:03.79 (+0.13s | 0.2%) Walnut Creek Aquabears 12/12/2025 Winter SC Age Group Championships
50 Free
30.97
30.97
100 Free
32.95
1:03.92
100 Free
1:03.92
421 Riley Barna 1:03.92 10 AA Min AAA: 1:03.79 (+0.13s | 0.2%) Ridgeview 02/13/2026 2026 OR HS 5A 4
50 Free
30.86
30.86
100 Free
33.06
1:03.92
100 Free
1:03.92
422 Joonsoo Kwon 1:03.94 10 AA Min AAA: 1:03.79 (+0.15s | 0.2%) North Baltimore Aquatic Club 03/05/2026 2026 MD LSC 14 U Championships
50 Free
31.07
31.07
100 Free
32.87
1:03.94
100 Free
1:03.94
423 Oliver Gist-Pitts 1:03.94 10 AA Min AAA: 1:03.79 (+0.15s | 0.2%) Boulder Swim Team 02/13/2026 2026 CO NJ Groundhog Invite
50 Free
30.43
30.43
100 Free
33.51
1:03.94
100 Free
1:03.94
424 William Lam 1:03.95 10 AA Min AAA: 1:03.79 (+0.16s | 0.3%) Clackamas High School 02/15/2025 2025 OR HS 6a 4
50 Free
30.89
30.89
100 Free
33.06
1:03.95
100 Free
1:03.95
425 Jasper Albers 1:03.96 10 AA Min AAA: 1:03.79 (+0.17s | 0.3%) Mason Makos Swim Team 03/12/2026 2026 PV SC 14 Under Championships Copied
50 Free
30.63
30.63
100 Free
33.33
1:03.96
100 Free
1:03.96
426 Whitt Jaskot 1:03.98 10 AA Min AAA: 1:03.79 (+0.19s | 0.3%) Cavalier Aquatics/Piedmont Fam 03/12/2026 2026 Virginia Swimming SC Age Group Champions
427 Timothy Acchione 1:03.99 10 AA Min AAA: 1:03.79 (+0.20s | 0.3%) Loyola Blakefield Aquatics 03/05/2026 2026 MD LSC 14 U Championships
50 Free
30.46
30.46
100 Free
33.53
1:03.99
100 Free
1:03.99
428 David Shall 1:04.00 9 AA Min AAA: 1:03.79 (+0.21s | 0.3%) Belleville High School 02/26/2026 2026 KLAA B Conference Swim Meet
50 Free
30.91
30.91
100 Free
33.09
1:04.00
100 Free
1:04.00
429 Keegan Donnelly 1:04.00 10 AA Min AAA: 1:03.79 (+0.21s | 0.3%) Mason Makos Swim Team 03/12/2026 2026 PV SC 14 Under Championships Copied
50 Free
30.69
30.69
100 Free
33.31
1:04.00
100 Free
1:04.00
430 Vlad Sukharevich 1:04.01 10 AA Min AAA: 1:03.79 (+0.22s | 0.3%) Nova of Virginia 03/12/2026 2026 Virginia Swimming SC Age Group Champions
431 Jacob Hineman 1:04.02 10 AA Min AAA: 1:03.79 (+0.23s | 0.4%) Northern Dutchess Aquatic Club 01/23/2026 2026 MR HAWKS AD Trials And Finals
50 Free
30.56
30.56
100 Free
33.45
1:04.01
100 Free
1:04.01
432 Harvey Drumheller 1:04.06 10 AA Min AAA: 1:03.79 (+0.27s | 0.4%) Scappoose 02/13/2026 2026 OR HS 4a 3
50 Free
30.39
30.39
100 Free
33.66
1:04.05
100 Free
1:04.05
433 Brannu Jones 1:04.06 9 AA Min AAA: 1:03.79 (+0.27s | 0.4%) Odea 02/07/2026 2026 (WIAA) Metro(SeaKing District Il) BoysOB
50 Free
30.58
30.58
100 Free
33.47
1:04.05
100 Free
1:04.05
434 Jack Armbruster 1:04.08 10 AA Min AAA: 1:03.79 (+0.29s | 0.5%) San Clemente Aquatic Team 03/12/2026 2026 SCS Spring Age Group Champs @ RMDA Cop
50 Free
30.37
30.37
100 Free
33.71
1:04.08
100 Free
1:04.08
435 Michael Gyulbudaghyan 1:04.09 10 AA Min AAA: 1:03.79 (+0.30s | 0.5%) Matchpoint Nyc 03/13/2026 2026 MR SC Junior Metropolitan Championships
50 Free
31.33
31.33
100 Free
32.76
1:04.09
100 Free
1:04.09
436 Poyraz Onerci 1:04.12 10 AA Min AAA: 1:03.79 (+0.33s | 0.5%) Machine Aquatics 03/20/2026 March Madness 2026
437 Alex Hake 1:04.12 10 AA Min AAA: 1:03.79 (+0.33s | 0.5%) Life Time Southeast 01/16/2026 2026 TYR Mardi Gras Invite
50 Free
30.83
30.83
100 Free
33.29
1:04.12
100 Free
1:04.12
438 Abdul Mahmoud 1:04.12 10 AA Min AAA: 1:03.79 (+0.33s | 0.5%) North Creek 02/13/2026 2026 (WIAA) Sea King District II 4ABoys HS OB
439 Patrick Liu 1:04.12 10 AA Min AAA: 1:03.79 (+0.33s | 0.5%) Tac Titans 03/19/2026 2026 NC TAC ESSZ Age Group Sectionals
50 Free
30.37
30.37
100 Free
33.75
1:04.12
100 Free
1:04.12
440 Leo Williams 1:04.13 9 AA Min AAA: 1:03.79 (+0.34s | 0.5%) Marlins Of Raleigh 03/19/2026 2026 NC TAC ESSZ Age Group Sectionals
50 Free
30.38
30.38
100 Free
33.75
1:04.13
100 Free
1:04.13
441 Maddox Bacallao 1:04.15 9 AA Min AAA: 1:03.79 (+0.36s | 0.6%) Christopher Columbus High 10/17/2025 2025 Belen Jesuit Invitational
50 Free
30.50
30.50
100 Free
33.65
1:04.15
100 Free
1:04.15
442 Aaron Niu 1:04.15 9 AA Min AAA: 1:03.79 (+0.36s | 0.6%) Flying Fish Swim Club 12/12/2025 2025 CA SCS RAA WAG
50 Free
30.86
30.86
100 Free
33.29
1:04.15
100 Free
1:04.15
443 Daniel Lazar 1:04.16 10 AA Min AAA: 1:03.79 (+0.37s | 0.6%) Coast Aquatics 01/16/2026 2026 GPAC Winter Invitational
50 Free
30.19
30.19
100 Free
33.97
1:04.16
100 Free
1:04.16
444 Memphis Jones 1:04.17 10 AA Min AAA: 1:03.79 (+0.38s | 0.6%) Crescent Valley 02/11/2026 2026 OR HS 5a 3
50 Free
31.12
31.12
100 Free
33.05
1:04.17
100 Free
1:04.17
445 Nathan Zammit 1:04.17 10 AA Min AAA: 1:03.79 (+0.38s | 0.6%) Atlantis Swimming 02/27/2026 2026 MCSA Junior Cup
50 Free
30.74
30.74
100 Free
33.43
1:04.17
100 Free
1:04.17
446 Nicolas Guzman 1:04.20 10 AA Min AAA: 1:03.79 (+0.41s | 0.6%) Blue Marlins Of Hialeah Garden 03/05/2026 2026 FG Age Group SCY Championships
50 Free
30.67
30.67
100 Free
33.53
1:04.20
100 Free
1:04.20
447 Sebastian Gutierrez 1:04.22 9 AA Min AAA: 1:03.79 (+0.43s | 0.7%) Anglerfish Aquatics 02/13/2026 2026 NE SAC 10 Under Champs
50 Free
31.01
31.01
100 Free
33.21
1:04.22
100 Free
1:04.22
448 Knox Dedrick 1:04.23 10 AA Min AAA: 1:03.79 (+0.44s | 0.7%) Phoenix 02/14/2025 2025 OR HS 4a 2
50 Free
28.98
28.98
100 Free
35.25
1:04.23
100 Free
1:04.23
449 Jacob Bao 1:04.30 10 AA Min AAA: 1:03.79 (+0.51s | 0.8%) Tac Titans 03/19/2026 2026 NC TAC ESSZ Age Group Sectionals
50 Free
30.70
30.70
100 Free
33.60
1:04.30
100 Free
1:04.30
450 Hendrix Raulerson 1:04.32 10 AA Min AAA: 1:03.79 (+0.53s | 0.8%) Nova of Virginia 03/21/2026 NOVA Short Course Send Off 2026
50 Free
30.53
30.53
100 Free
33.79
1:04.32
100 Free
1:04.32

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.