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USA Boys 10 & under - 100 Y Back

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
751 Leo Lafferty 1:19.36 10 A Min AA: 1:16.09 (+3.27s | 4.1%) Westlake Aquatic Facility 02/13/2026 2026 ST HPAC STX Champs South
50 Back
39.10
39.10
100 Back
40.26
1:19.36
100 Back
1:19.36
752 Nan-Yi Yeh 1:19.36 10 A Min AA: 1:16.09 (+3.27s | 4.1%) Marlins Of Raleigh 03/25/2026 2026 TAC TITANS Tarheel States Meet
50 Back
38.20
38.20
100 Back
41.16
1:19.36
100 Back
1:19.36
753 Sebastian Michel 1:19.37 10 A Min AA: 1:16.09 (+3.28s | 4.1%) Katy Aquatic Team For Youth 12/06/2024 2024 Gulf Age Group Championships
50 Back
39.24
39.24
100 Back
40.13
1:19.37
100 Back
1:19.37
754 Tyrus Lu 1:19.38 9 A Min AA: 1:16.09 (+3.29s | 4.1%) Tac Titans 02/26/2026 2026 NCS SC AG CHAMPS
50 Back
38.79
38.79
100 Back
40.59
1:19.38
100 Back
1:19.38
755 Aaron Zhao 1:19.39 10 A Min AA: 1:16.09 (+3.30s | 4.2%) Brea Aquatics 03/12/2026 2026 SCS Spring Age Group Champs @ RMDA Cop
50 Back
39.79
39.79
100 Back
39.60
1:19.39
100 Back
1:19.39
756 Mason Lam 1:19.39 9 A Min AA: 1:16.09 (+3.30s | 4.2%) Eagle Swim Team Inc. 02/14/2026 EST Vs NAAC Dual Meet
50 Back
38.86
38.86
100 Back
40.53
1:19.39
100 Back
1:19.39
757 Jackson Keen 1:19.41 10 A Min AA: 1:16.09 (+3.32s | 4.2%) Dynamo Swim Club 03/06/2026 Speedo Southern Premier
50 Back
38.24
38.24
100 Back
41.17
1:19.41
100 Back
1:19.41
758 Theo Ream 1:19.42 10 A Min AA: 1:16.09 (+3.33s | 4.2%) SwimMAC Carolina 02/26/2026 2026 NCS SC AG CHAMPS
50 Back
38.85
38.85
100 Back
40.57
1:19.42
100 Back
1:19.42
759 Lawson Kroon 1:19.43 9 A Min AA: 1:16.09 (+3.34s | 4.2%) Pierre Swim Team 01/30/2026 2026 SD Capital City Qualifier
50 Back
38.84
38.84
100 Back
40.59
1:19.43
100 Back
1:19.43
760 Huie Walton 1:19.43 10 A Min AA: 1:16.09 (+3.34s | 4.2%) Huntsville Swim Association 02/27/2026 2026 SE Southeastern Winter SC Championships
50 Back
38.72
38.72
100 Back
40.71
1:19.43
100 Back
1:19.43
761 Mason Petrocelli 1:19.45 10 A Min AA: 1:16.09 (+3.36s | 4.2%) Team Suffolk 10/25/2025 2025 MR LIAC Chappy S Invitational
50 Back
38.31
38.31
100 Back
41.14
1:19.45
100 Back
1:19.45
762 Ilan Rattner 1:19.45 9 A Min AA: 1:16.09 (+3.36s | 4.2%) Sunnyvale Swim Club 03/28/2026 LAMV C B A+ Meet
50 Back
38.48
38.48
100 Back
40.97
1:19.45
100 Back
1:19.45
763 Aram Hovsepian 1:19.48 10 A Min AA: 1:16.09 (+3.39s | 4.3%) Canyons Aquatic Club 03/12/2026 2026 SCS Spring Age Group Champs @ RMDA Cop
50 Back
38.30
38.30
100 Back
41.18
1:19.48
100 Back
1:19.48
764 Nolan Lucariello 1:19.48 10 A Min AA: 1:16.09 (+3.39s | 4.3%) Prince William Swim Club 01/23/2026 2026 USAS IMX Games
50 Back
38.88
38.88
100 Back
40.60
1:19.48
100 Back
1:19.48
765 Patrick Loftus 1:19.48 10 A Min AA: 1:16.09 (+3.39s | 4.3%) Southern Maryland Aquatics 03/13/2026 2026 Speedo Maryland Junior Championship Si
50 Back
40.64
40.64
100 Back
38.84
1:19.48
100 Back
1:19.48
766 Tatsumasa Sekine 1:19.49 9 A Min AA: 1:16.09 (+3.40s | 4.3%) Santa Clara Swim Club 03/28/2026 Swim South Bay
767 Joseph Chung 1:19.49 10 A Min AA: 1:16.09 (+3.40s | 4.3%) SwimMAC Carolina 03/20/2026 2026 SwimRVA Clover Cup
50 Back
38.86
38.86
100 Back
40.63
1:19.49
100 Back
1:19.49
768 Derek Suarez 1:19.49 10 A Min AA: 1:16.09 (+3.40s | 4.3%) Tac Titans 01/16/2026 2026 Vector Security Polar Plunge Meet
50 Back
38.26
38.26
100 Back
41.23
1:19.49
100 Back
1:19.49
769 Savelii Dorofieiev 1:19.50 10 A Min AA: 1:16.09 (+3.41s | 4.3%) Saint Petersburg Aquatics 02/27/2026 2026 Spring Area 3 Championships
50 Back
39.19
39.19
100 Back
40.31
1:19.50
100 Back
1:19.50
770 Axton Santiago 1:19.50 10 A Min AA: 1:16.09 (+3.41s | 4.3%) Pearl City Aquatics 02/26/2026 2026 HI Hawaiian Swimming SCY AGChamps
50 Back
38.31
38.31
100 Back
41.19
1:19.50
100 Back
1:19.50
771 Dean Deliessche 1:19.50 10 A Min AA: 1:16.09 (+3.41s | 4.3%) Trident Aquatic Club 02/20/2026 2026 MR Metro Silver Central Champs WEST
50 Back
37.65
37.65
100 Back
41.85
1:19.50
100 Back
1:19.50
772 Theodore Chan 1:19.53 9 A Min AA: 1:16.09 (+3.44s | 4.3%) Long Island Express 03/13/2026 2026 MR SC Junior Metropolitan Championships
50 Back
38.96
38.96
100 Back
40.57
1:19.53
100 Back
1:19.53
773 Bennett Meusel 1:19.54 10 A Min AA: 1:16.09 (+3.45s | 4.3%) South East Metro Sharks 03/07/2026 2026 MN RSC 10 U State Championship
50 Back
39.51
39.51
100 Back
40.03
1:19.54
100 Back
1:19.54
774 Drexton Dorvil 1:19.56 10 A Min AA: 1:16.09 (+3.47s | 4.4%) Southwest Stars Swim Club 03/05/2026 2026 Florida Swimming FLAGS NORTH
50 Back
38.31
38.31
100 Back
41.25
1:19.56
100 Back
1:19.56
775 Yoshua Castro 1:19.58 10 A Min AA: 1:16.09 (+3.49s | 4.4%) Rockville Montgomery Swim Club 01/23/2026 2026 USAS IMX Games
50 Back
38.46
38.46
100 Back
41.12
1:19.58
100 Back
1:19.58
776 Mason Pitts 1:19.59 9 A Min AA: 1:16.09 (+3.50s | 4.4%) Kelso 01/10/2026 2026 Kentridge High School Invitational Obse
50 Back
39.13
39.13
100 Back
40.46
1:19.59
100 Back
1:19.59
777 Wesley Ho 1:19.60 10 BB Min A: 1:19.59 (+0.01s | 0.0%) Aspire Aquatics of Colorado 02/27/2026 2026 CO CSI SC Age Group Championships
50 Back
39.53
39.53
50 Back
39.53
100 Back
40.07
1:19.60
50 Back
40.07
778 Camden Kern 1:19.61 10 BB Min A: 1:19.59 (+0.02s | 0.0%) Cavalier Aquatics/Piedmont Fam 02/27/2026 2026 SW District Champs 9 Over
50 Back
39.46
39.46
100 Back
40.15
1:19.61
100 Back
1:19.61
779 Zachary Mokhiber 1:19.61 10 BB Min A: 1:19.59 (+0.02s | 0.0%) T2 Aquatics 03/05/2026 2026 Florida Swimming FLAGS SOUTH
50 Back
38.95
38.95
100 Back
40.66
1:19.61
100 Back
1:19.61
780 Carson Lee 1:19.63 10 BB Min A: 1:19.59 (+0.04s | 0.1%) Condors Swim Club 03/07/2026 2026 MR Metro 8 Under Championships
50 Back
38.99
38.99
100 Back
40.64
1:19.63
100 Back
1:19.63
781 Alexander Bond 1:19.65 10 BB Min A: 1:19.59 (+0.06s | 0.1%) Mission Viejo Nadadores 03/12/2026 2026 SCS Spring Age Group Champs @ RMDA Cop
50 Back
38.38
38.38
100 Back
41.27
1:19.65
100 Back
1:19.65
782 Isaac Baptiste 1:19.65 10 BB Min A: 1:19.59 (+0.06s | 0.1%) Prince George\\\\\\'s Parks and Recr 01/17/2026 PVS January Open 2026 Fairland
50 Back
37.60
37.60
100 Back
42.05
1:19.65
100 Back
1:19.65
783 Austin Shillman 1:19.65 10 BB Min A: 1:19.59 (+0.06s | 0.1%) Pine Crest Swimming 03/05/2026 2026 FG Age Group SCY Championships
50 Back
38.53
38.53
100 Back
41.12
1:19.65
100 Back
1:19.65
784 Paxton Allsman 1:19.66 10 BB Min A: 1:19.59 (+0.07s | 0.1%) Lincoln Select Swimming 02/20/2026 2026 MW Midwestern Age Group Short Course
50 Back
38.93
38.93
100 Back
40.73
1:19.66
100 Back
1:19.66
785 Stanley Kang 1:19.66 10 BB Min A: 1:19.59 (+0.07s | 0.1%) Long Island Aquatic Club 02/20/2026 2026 MR Silvers Championship South HAUP
50 Back
38.39
38.39
100 Back
41.27
1:19.66
100 Back
1:19.66
786 Nathan Zammit 1:19.66 10 BB Min A: 1:19.59 (+0.07s | 0.1%) Atlantis Swimming 01/16/2026 2026 Odd Age Classic
50 Back
38.31
38.31
100 Back
41.35
1:19.66
100 Back
1:19.66
787 Daniel Guo 1:19.66 10 BB Min A: 1:19.59 (+0.07s | 0.1%) Riptide Swim Team 03/07/2026 2026 MN RSC 10 U State Championship
50 Back
38.61
38.61
100 Back
41.05
1:19.66
100 Back
1:19.66
788 Graham Lardo 1:19.66 10 BB Min A: 1:19.59 (+0.07s | 0.1%) Club Wolverine 03/07/2026 2026 Lake Ontario Regional Meet
50 Back
39.60
39.60
100 Back
40.06
1:19.66
100 Back
1:19.66
789 Jozua Sugianto 1:19.67 10 BB Min A: 1:19.59 (+0.08s | 0.1%) California Dolphins Swim Team 02/21/2026 Pacific Swimming 10 U SCY Championship
790 Eddy Qian 1:19.67 9 BB Min A: 1:19.59 (+0.08s | 0.1%) Arctic Aquatics 01/09/2026 2026 NE CRA New Year Distance And Specialty
50 Back
39.14
39.14
100 Back
40.53
1:19.67
100 Back
1:19.67
791 Paxton Coggins 1:19.67 9 BB Min A: 1:19.59 (+0.08s | 0.1%) Y-Spartaquatics Swim Club 03/06/2026 Speedo Southern Premier
50 Back
38.15
38.15
100 Back
41.52
1:19.67
100 Back
1:19.67
792 Kyle Wang 1:19.70 10 BB Min A: 1:19.59 (+0.11s | 0.1%) Freedom Aquatics 01/23/2026 2026 USAS IMX Games
50 Back
38.80
38.80
100 Back
40.90
1:19.70
100 Back
1:19.70
793 Rishan Shah 1:19.70 9 BB Min A: 1:19.59 (+0.11s | 0.1%) United Swim Club 02/13/2026 2026 NE SAC 10 Under Champs
794 Hunter Gehrke 1:19.71 10 BB Min A: 1:19.59 (+0.12s | 0.2%) Arizona Seals Swimming Academy 02/13/2026 34th Annual Lost Dutchman Invitational
50 Back
38.54
38.54
100 Back
41.17
1:19.71
100 Back
1:19.71
795 Elliott Gretarsson 1:19.72 10 BB Min A: 1:19.59 (+0.13s | 0.2%) Nu Wave Swim Club 03/06/2026 Speedo Southern Premier
50 Back
38.70
38.70
100 Back
41.02
1:19.72
100 Back
1:19.72
796 David Limakov 1:19.73 10 BB Min A: 1:19.59 (+0.14s | 0.2%) Pipeline Swimming 11/02/2025 SUNDAY MORNING RACES NOV 2
50 Back
38.67
38.67
100 Back
41.06
1:19.73
100 Back
1:19.73
797 Liam Sandstrom 1:19.74 8 BB Min A: 1:19.59 (+0.15s | 0.2%) Rockville Montgomery Swim Club 02/20/2026 2026 RMSC February Invitational
50 Back
38.48
38.48
100 Back
41.26
1:19.74
100 Back
1:19.74
798 Aedan Allen 1:19.74 10 BB Min A: 1:19.59 (+0.15s | 0.2%) Lone Star Aquatic Club 02/06/2026 2026 ST AQTX STX Champs North
50 Back
38.43
38.43
100 Back
41.31
1:19.74
100 Back
1:19.74
799 Mason Kutzenberger 1:19.76 10 BB Min A: 1:19.59 (+0.17s | 0.2%) Aggie Swim Club 02/21/2025 MAC Hosted 2025 Gulf 12 Under Champs
50 Back
39.61
39.61
100 Back
40.15
1:19.76
100 Back
1:19.76
800 John Piracci 1:19.77 9 BB Min A: 1:19.59 (+0.18s | 0.2%) SwimRVA 03/20/2026 2026 SwimRVA Clover Cup
50 Back
39.05
39.05
100 Back
40.72
1:19.77
100 Back
1:19.77

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.