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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
501 Kellan Naisbitt 1:18.33 10 A Min AA: 1:16.09 (+2.24s | 2.9%) Mission Viejo Nadadores 03/12/2026 2026 SCS Spring Age Group Champs @ RMDA Cop
50 Back
38.63
38.63
100 Back
39.70
1:18.33
100 Back
1:18.33
502 Elias Morgan 1:18.33 10 A Min AA: 1:16.09 (+2.24s | 2.9%) Huntsville Swim Association 10/16/2026 2026 HSA Fran Norris Meet
50 Back
37.63
37.63
100 Back
40.70
1:18.33
100 Back
1:18.33
503 Jayden Guo 1:18.35 10 A Min AA: 1:16.09 (+2.26s | 2.9%) Life Time Northern California 10/17/2026 Pumpkin Meet, Oct 2026
504 Luke Chaikriangkrai 1:18.35 10 A Min AA: 1:16.09 (+2.26s | 2.9%) Bayclub Aquatic Swim Team 10/16/2026 2026 PN VAST Fall Classic Invite Approved
50 Back
38.43
38.43
100 Back
39.92
1:18.35
100 Back
1:18.35
505 Brooks Switaj 1:18.37 9 A Min AA: 1:16.09 (+2.28s | 2.9%) Bellevue Club Swim Team 03/19/2026 2026 Northwest Region AG Champs Approved
50 Back
38.53
38.53
100 Back
39.84
1:18.37
100 Back
1:18.37
506 Nicholas Selvaggi 1:18.38 10 A Min AA: 1:16.09 (+2.29s | 2.9%) Fox Swim Club 01/18/2026 2026 Fox Winter Invitational Meet
50 Back
38.65
38.65
100 Back
39.73
1:18.38
100 Back
1:18.38
507 Yanbo Li 1:18.39 10 A Min AA: 1:16.09 (+2.30s | 2.9%) Bolles School Sharks 09/26/2026 EAJ Speedo September Meet 2026
50 Back
37.37
37.37
100 Back
41.02
1:18.39
100 Back
1:18.39
508 Parker Widell 1:18.39 9 A Min AA: 1:16.09 (+2.30s | 2.9%) Tampa Elite Aquatics 10/09/2026 2026 FAST Pumpkin Plunge
50 Back
37.99
37.99
100 Back
40.40
1:18.39
100 Back
1:18.39
509 Ian Kato 1:18.40 10 A Min AA: 1:16.09 (+2.31s | 2.9%) Sandy High School Swim Team 02/15/2025 2025 OR HS 6a 4
50 Back
38.41
38.41
100 Back
39.99
1:18.40
100 Back
1:18.40
510 William Andrew 1:18.41 10 A Min AA: 1:16.09 (+2.32s | 3.0%) Burlington Edison 02/13/2026 2026 (WIAA) NW District 1 2A Boys HS OB
50 Back
39.23
39.23
100 Back
39.18
1:18.41
100 Back
1:18.41
511 Braden Dunlap 1:18.43 9 A Min AA: 1:16.09 (+2.34s | 3.0%) Naval Academy Aquatic Club 03/05/2026 2026 MD LSC 14 U Championships
50 Back
37.39
37.39
100 Back
41.04
1:18.43
100 Back
1:18.43
512 Jack Armbruster 1:18.45 10 A Min AA: 1:16.09 (+2.36s | 3.0%) San Clemente Aquatic Team 03/12/2026 2026 SCS Spring Age Group Champs @ RMDA Cop
50 Back
37.86
37.86
100 Back
40.59
1:18.45
100 Back
1:18.45
513 Riccardo Sardena 1:18.46 10 A Min AA: 1:16.09 (+2.37s | 3.0%) Swim Team of Placentia 03/12/2026 2026 SCS Spring Age Group Champs @ RMDA Cop
50 Back
37.61
37.61
100 Back
40.85
1:18.46
100 Back
1:18.46
514 Leon Yan 1:18.46 9 A Min AA: 1:16.09 (+2.37s | 3.0%) Waterloo Swimming 09/20/2026 2026 ST WLOO September Splash
515 Oliver Ni 1:18.46 10 A Min AA: 1:16.09 (+2.37s | 3.0%) Makos Aquatics Club of Gainesv 10/09/2026 2026 FAST Pumpkin Plunge
50 Back
38.84
38.84
100 Back
39.62
1:18.46
100 Back
1:18.46
516 Louis Choi 1:18.47 10 A Min AA: 1:16.09 (+2.38s | 3.0%) Saline Swim Team 02/28/2026 2026 Last Chance Meet
50 Back
38.19
38.19
100 Back
40.28
1:18.47
100 Back
1:18.47
517 Nicholas Galvin 1:18.48 10 A Min AA: 1:16.09 (+2.39s | 3.0%) Sarasota Sharks 11/07/2025 2025 SYS Turkey Meet
50 Back
37.51
37.51
100 Back
40.97
1:18.48
100 Back
1:18.48
518 Conner Murphy 1:18.48 9 A Min AA: 1:16.09 (+2.39s | 3.0%) Seaside 02/13/2026 2026 OR HS 4a 3
50 Back
36.50
36.50
100 Back
41.98
1:18.48
100 Back
1:18.48
519 Everett Hasse 1:18.49 9 A Min AA: 1:16.09 (+2.40s | 3.1%) New Albany Aquatic Club 03/12/2026 2026 OH SC Junior Championships
50 Back
38.31
38.31
100 Back
40.18
1:18.49
100 Back
1:18.49
520 Kolbe Bell 1:18.51 9 A Min AA: 1:16.09 (+2.42s | 3.1%) Nation\\\\\\'s Capital Swim Club 01/10/2026 2026 MAKO POLAR PLUNGE
50 Back
37.69
37.69
100 Back
40.82
1:18.51
100 Back
1:18.51
521 Mateo Torrelli 1:18.51 10 A Min AA: 1:16.09 (+2.42s | 3.1%) Clearwater Aquatic Team 03/05/2026 2026 Florida Swimming FLAGS SOUTH
50 Back
38.55
38.55
100 Back
39.96
1:18.51
100 Back
1:18.51
522 Ivan Zhao 1:18.51 9 A Min AA: 1:16.09 (+2.42s | 3.1%) Southwest Stars Swim Club 03/05/2026 2026 Florida Swimming FLAGS NORTH
50 Back
37.25
37.25
100 Back
41.26
1:18.51
100 Back
1:18.51
523 Harry Nguyen 1:18.51 10 A Min AA: 1:16.09 (+2.42s | 3.1%) Dynamo Swim Club 10/16/2026 2026 HSA Fran Norris Meet
50 Back
37.90
37.90
100 Back
40.61
1:18.51
100 Back
1:18.51
524 Anderson Grant 1:18.54 10 A Min AA: 1:16.09 (+2.45s | 3.1%) Upper Arlington Swim Club 02/19/2026 2026 OH UASC SC Regional Championships
50 Back
38.11
38.11
100 Back
40.43
1:18.54
100 Back
1:18.54
525 Frankie Chao 1:18.55 10 A Min AA: 1:16.09 (+2.46s | 3.1%) North Carolina Aquatic Club 02/26/2026 2026 NCS SC AG CHAMPS
50 Back
37.83
37.83
100 Back
40.72
1:18.55
100 Back
1:18.55
526 Ezra Epstein 1:18.56 10 A Min AA: 1:16.09 (+2.47s | 3.1%) Asphalt Green Unified Aquatics 12/05/2025 2025 MR NYS Holiday Classic Trials Finals
50 Back
37.74
37.74
100 Back
40.82
1:18.56
100 Back
1:18.56
527 Justin Chi 1:18.56 10 A Min AA: 1:16.09 (+2.47s | 3.1%) DeAnza Cupertino Aquatics 10/03/2026 2026 De Anza Cupertino Aquatics SC CBA Meet
528 Young Sun 1:18.57 9 A Min AA: 1:16.09 (+2.48s | 3.2%) Bellevue Club Swim Team 10/16/2026 2026 PN VAST Fall Classic Invite Approved
50 Back
38.52
38.52
100 Back
40.05
1:18.57
100 Back
1:18.57
529 Henry Havens 1:18.57 10 A Min AA: 1:16.09 (+2.48s | 3.2%) Northern KY Clippers 10/23/2026 2026 CLPR Halloween Meet
50 Back
37.94
37.94
100 Back
40.63
1:18.57
100 Back
1:18.57
530 Ryder Rice 1:18.58 9 A Min AA: 1:16.09 (+2.49s | 3.2%) East Valley (Yakima) 01/10/2026 2026 Kentridge High School Invitational Obse
50 Back
37.61
37.61
100 Back
40.97
1:18.58
100 Back
1:18.58
531 Grigorii Vasilenko 1:18.58 9 A Min AA: 1:16.09 (+2.49s | 3.2%) Legacy Aquatics 10/10/2026 LA Fall Kick Off 2026
50 Back
38.11
38.11
100 Back
40.47
1:18.58
100 Back
1:18.58
532 Everett King 1:18.59 10 A Min AA: 1:16.09 (+2.50s | 3.2%) Worthington Swim Club 03/12/2026 2026 OH SC Junior Championships
50 Back
38.38
38.38
100 Back
40.21
1:18.59
100 Back
1:18.59
533 William Peterworth 1:18.60 9 A Min AA: 1:16.09 (+2.51s | 3.2%) Lakeside Swim Team 10/16/2026 2026 SwimVille USA Jack Thompson Classic
50 Back
37.99
37.99
100 Back
40.61
1:18.60
100 Back
1:18.60
534 Thomas Mieszczak 1:18.66 10 A Min AA: 1:16.09 (+2.57s | 3.3%) Royal Swimming 03/14/2026 2026 SCY 10 Under Championship Meet
50 Back
39.38
39.38
100 Back
39.28
1:18.66
100 Back
1:18.66
535 Finlay Andrews 1:18.68 10 A Min AA: 1:16.09 (+2.59s | 3.3%) Farmington Valley Branch YMCA 03/21/2026 2026 NE YNS YMCA New England Championship
50 Back
38.09
38.09
100 Back
40.59
1:18.68
100 Back
1:18.68
536 Nhat Tran 1:18.70 10 A Min AA: 1:16.09 (+2.61s | 3.3%) Olympic Cascade Aquatics 10/16/2026 2026 PN VAST Fall Classic Invite Approved
50 Back
38.51
38.51
100 Back
40.19
1:18.70
100 Back
1:18.70
537 Terence Wu 1:18.73 9 A Min AA: 1:16.09 (+2.64s | 3.4%) Bellevue Club Swim Team 10/16/2026 2026 PN VAST Fall Classic Invite Approved
50 Back
38.13
38.13
100 Back
40.60
1:18.73
100 Back
1:18.73
538 Joshua Kelly 1:18.76 9 A Min AA: 1:16.09 (+2.67s | 3.4%) Lynden 02/13/2026 2026 (WIAA) NW District 1 2A Boys HS OB
50 Back
38.37
38.37
100 Back
40.39
1:18.76
100 Back
1:18.76
539 Dylan Tian 1:18.77 9 A Min AA: 1:16.09 (+2.68s | 3.4%) Santa Clara Swim Club 09/19/2026 2026 Milpitas Aquatic Club Season Kick Off
540 Branimir Petkov 1:18.78 10 A Min AA: 1:16.09 (+2.69s | 3.4%) Evolution Racing Club 03/12/2026 2026 SCS Spring Age Group Champs @ RMDA Cop
50 Back
38.88
38.88
100 Back
39.90
1:18.78
100 Back
1:18.78
541 Isaac Wredberg 1:18.79 10 A Min AA: 1:16.09 (+2.70s | 3.4%) YMCA of the Triangle Area Swim 02/26/2026 2026 NCS SC AG CHAMPS
50 Back
38.53
38.53
100 Back
40.26
1:18.79
100 Back
1:18.79
542 Orion Blue-Smith 1:18.79 10 A Min AA: 1:16.09 (+2.70s | 3.4%) Palo Alto Stanford Aquatics 03/07/2026 2026 PASA Last Chance For JO S
543 Joseph Nguyen 1:18.80 9 A Min AA: 1:16.09 (+2.71s | 3.4%) Three Village Swim Club 03/13/2026 2026 MR SC Junior Metropolitan Championships
50 Back
38.59
38.59
100 Back
40.21
1:18.80
100 Back
1:18.80
544 Luca Desset 1:18.80 10 A Min AA: 1:16.09 (+2.71s | 3.4%) Kona Aquatics Club 10/24/2026 BIG ISLAND SWIMMING @ HPA
50 Back
38.91
38.91
100 Back
39.89
1:18.80
100 Back
1:18.80
545 Shay Jain 1:18.80 9 A Min AA: 1:16.09 (+2.71s | 3.4%) Palo Alto Stanford Aquatics 07/26/2026 2026 PASA Summer Palooza
50 Back
38.17
38.17
100 Back
40.63
1:18.80
100 Back
1:18.80
546 Garrett Legg 1:18.84 9 A Min AA: 1:16.09 (+2.75s | 3.5%) Pleasanton Seahawks 10/10/2026 SRVA SC C B BB+ Meet
547 Christian Horton 1:18.87 6 A Min AA: 1:16.09 (+2.78s | 3.5%) Suncoast Community High School 09/10/2026 21st Annual September Splash 2026
50 Back
36.21
36.21
100 Back
42.66
1:18.87
100 Back
1:18.87
548 Teddy Herrera 1:18.88 10 A Min AA: 1:16.09 (+2.79s | 3.5%) Crimson Aquatics 02/13/2026 2026 NE SAC 10 Under Champs
50 Back
38.06
38.06
100 Back
40.82
1:18.88
100 Back
1:18.88
549 Sean Baitx 1:18.91 5 A Min AA: 1:16.09 (+2.82s | 3.6%) Soda Fall 11/01/2025 Kati McDermott Memorial Fall Jamboree Invite
550 Mauro Carrasco 1:18.91 10 A Min AA: 1:16.09 (+2.82s | 3.6%) Southwest Aquatic Team 10/17/2026 2026 BD SWAToberfest Sprintacular

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.