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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
551 Adam Jiang 1:29.65 10 A Min AA: 1:26.59 (+3.06s | 3.4%) Waterloo Swimming 09/20/2026 2026 ST WLOO September Splash
552 Ethan Kempf 1:29.66 10 A Min AA: 1:26.59 (+3.07s | 3.4%) Kelso 02/14/2025 2025 District IV 3A 4A Mens Championships
50 Breast
41.34
41.34
100 Breast
48.32
1:29.66
100 Breast
1:29.66
553 Akasion Sheppard 1:29.66 10 A Min AA: 1:26.59 (+3.07s | 3.4%) Kissimmee Swim Association 10/10/2026 TCSC Fall Invitational
50 Breast
43.70
43.70
100 Breast
45.96
1:29.66
100 Breast
1:29.66
554 Stepan Gribanov 1:29.68 9 A Min AA: 1:26.59 (+3.09s | 3.4%) Staten Island Aquatics Club 03/13/2026 2026 MR SC Junior Metropolitan Championships
50 Breast
42.31
42.31
100 Breast
47.37
1:29.68
100 Breast
1:29.68
555 Park Foulger 1:29.69 10 A Min AA: 1:26.59 (+3.10s | 3.5%) South Salem 02/14/2025 2025 OR HS 6a 6
50 Breast
42.08
42.08
100 Breast
47.61
1:29.69
100 Breast
1:29.69
556 John Timmons 1:29.73 10 A Min AA: 1:26.59 (+3.14s | 3.5%) Life Time Northern California 09/13/2026 Hot Dog Meet, Sept 2026
557 Albert Zhao 1:29.74 10 A Min AA: 1:26.59 (+3.15s | 3.5%) Palo Alto Stanford Aquatics 10/24/2026 SUNN Fall Classic 2026
558 Dharma Kunkyab 1:29.75 9 A Min AA: 1:26.59 (+3.16s | 3.5%) Twisters Swim Club 03/13/2026 2026 MR SC Junior Metropolitan Championships
50 Breast
42.58
42.58
100 Breast
47.17
1:29.75
100 Breast
1:29.75
559 Liam Bundick 1:29.75 10 A Min AA: 1:26.59 (+3.16s | 3.5%) Apex Aquatics 10/10/2026 2026 ST AHAC Race Night #1
50 Breast
42.78
42.78
100 Breast
46.97
1:29.75
100 Breast
1:29.75
560 Merrick Harner 1:29.78 10 A Min AA: 1:26.59 (+3.19s | 3.6%) Brevard Swim Club 10/10/2026 TCSC Fall Invitational
50 Breast
42.01
42.01
100 Breast
47.77
1:29.78
100 Breast
1:29.78
561 Devin Song 1:29.79 9 A Min AA: 1:26.59 (+3.20s | 3.6%) Rose Bowl Aquatics 03/12/2026 2026 SCS Spring Age Group Champs @ RMDA Cop
50 Breast
42.18
42.18
100 Breast
47.61
1:29.79
100 Breast
1:29.79
562 Landen Chen 1:29.81 9 A Min AA: 1:26.59 (+3.22s | 3.6%) Revolution Swim Club 03/13/2026 2026 NE INST NE Cup
50 Breast
41.67
41.67
100 Breast
48.14
1:29.81
100 Breast
1:29.81
563 Ibrahim Ghanem 1:29.84 9 A Min AA: 1:26.59 (+3.25s | 3.6%) Romulus Torpedoes Swim Club 03/07/2026 2026 Lake Erie Regional Meet
50 Breast
43.21
43.21
100 Breast
46.63
1:29.84
100 Breast
1:29.84
564 Walter Speicher 1:29.84 10 A Min AA: 1:26.59 (+3.25s | 3.6%) Monocacy Aquatic Club 03/05/2026 2026 MD LSC 14 U Championships
50 Breast
43.56
43.56
100 Breast
46.28
1:29.84
100 Breast
1:29.84
565 Nathan Bruce 1:29.86 9 A Min AA: 1:26.59 (+3.27s | 3.6%) Crater 02/12/2026 2026 OR HS 5A 2
50 Breast
40.53
40.53
100 Breast
49.33
1:29.86
100 Breast
1:29.86
566 Conner Murphy 1:29.87 9 A Min AA: 1:26.59 (+3.28s | 3.6%) Seaside 02/13/2026 2026 OR HS 4a 3
50 Breast
42.69
42.69
100 Breast
47.18
1:29.87
100 Breast
1:29.87
567 Kaito Kinnaird 1:29.87 10 A Min AA: 1:26.59 (+3.28s | 3.6%) Excel Aquatics 10/23/2026 2026 Pumpkin Spice Splash
50 Breast
42.85
42.85
100 Breast
47.02
1:29.87
100 Breast
1:29.87
568 Vallen Volosov 1:29.90 10 A Min AA: 1:26.59 (+3.31s | 3.7%) Streamline Aquatics Club 01/31/2026 2026 CAT Cougar Snow Storm
50 Breast
42.90
42.90
100 Breast
47.00
1:29.90
100 Breast
1:29.90
569 Oliver Catala 1:29.92 10 A Min AA: 1:26.59 (+3.33s | 3.7%) Gulliver Swim Club 09/26/2026 Eagle Fall Invite 2026
50 Breast
43.95
43.95
100 Breast
45.97
1:29.92
100 Breast
1:29.92
570 Justin Wiederhold 1:29.95 10 A Min AA: 1:26.59 (+3.36s | 3.7%) Long Island Aquatic Club 03/13/2026 2026 MR SC Junior Metropolitan Championships
50 Breast
42.73
42.73
100 Breast
47.22
1:29.95
100 Breast
1:29.95
571 Wilder Ehrhorn 1:29.96 6 A Min AA: 1:26.59 (+3.37s | 3.7%) Orinda Aquatics 10/10/2026 Orinda Aquatics PC SC C B BB+
572 Carson Hereth 1:29.97 10 A Min AA: 1:26.59 (+3.38s | 3.8%) Selah 01/11/2025 2025 Kentridge HS Invitational BOYS OBSERVED
50 Breast
42.14
42.14
100 Breast
47.83
1:29.97
100 Breast
1:29.97
573 Calvin Larkin 1:29.97 9 A Min AA: 1:26.59 (+3.38s | 3.8%) Bend Swim Club 08/07/2026 Bend Swim Club August Invitational
50 Breast
42.73
42.73
50 Breast
42.73
100 Breast
47.24
1:29.97
50 Breast
47.24
574 Mason Nguyen 1:29.99 10 A Min AA: 1:26.59 (+3.40s | 3.8%) Aquazot Swim Club 03/12/2026 2026 SCS Spring Age Group Champs @ RMDA Cop
50 Breast
42.25
42.25
100 Breast
47.74
1:29.99
100 Breast
1:29.99
575 Owen Newton 1:30.00 10 A Min AA: 1:26.59 (+3.41s | 3.8%) SwimNation Aquatics Programs 03/12/2026 2026 SCS Spring Age Group Champs @ RMDA Cop
50 Breast
42.33
42.33
100 Breast
47.67
1:30.00
100 Breast
1:30.00
576 Zen Hein 1:30.03 10 A Min AA: 1:26.59 (+3.44s | 3.8%) Fog City Hammerheads 10/24/2026 PSL Pumpkin Spice Splash
50 Breast
43.85
43.85
100 Breast
46.18
1:30.03
100 Breast
1:30.03
577 Vincent Fang 1:30.04 10 A Min AA: 1:26.59 (+3.45s | 3.8%) Nitro Swimming 09/06/2026 2026 ST NTRO Stephen J Wolleben Memorial Meet
50 Breast
42.75
42.75
100 Breast
47.29
1:30.04
100 Breast
1:30.04
578 Brian Pan 1:30.06 10 A Min AA: 1:26.59 (+3.47s | 3.9%) Badger Swim Club,Inc. 03/13/2026 2026 MR SC Junior Metropolitan Championships
50 Breast
41.89
41.89
100 Breast
48.17
1:30.06
100 Breast
1:30.06
579 Luka McGrath 1:30.06 10 A Min AA: 1:26.59 (+3.47s | 3.9%) Multnomah Athletic Club 03/19/2026 2026 NW Region Age Group Champs Approved
50 Breast
41.88
41.88
100 Breast
48.18
1:30.06
100 Breast
1:30.06
580 Mason Sovich 1:30.07 10 A Min AA: 1:26.59 (+3.48s | 3.9%) Olympic Cascade Aquatics 10/16/2026 2026 PN VAST Fall Classic Invite Approved
50 Breast
41.75
41.75
100 Breast
48.32
1:30.07
100 Breast
1:30.07
581 Henry Elble 1:30.09 10 A Min AA: 1:26.59 (+3.50s | 3.9%) Metro Area Life Time 10/17/2026 2026 EEX RU Scared Yet
50 Breast
42.17
42.17
100 Breast
47.92
1:30.09
100 Breast
1:30.09
582 Tyler Crandall 1:30.12 10 A Min AA: 1:26.59 (+3.53s | 3.9%) Dallas 02/11/2026 2026 OR HS 5a 3
50 Breast
41.50
41.50
100 Breast
48.62
1:30.12
100 Breast
1:30.12
583 Jackson Macaluso 1:30.13 10 A Min AA: 1:26.59 (+3.54s | 3.9%) Tampa Elite Aquatics 10/09/2026 2026 FAST Pumpkin Plunge
50 Breast
43.76
43.76
100 Breast
46.37
1:30.13
100 Breast
1:30.13
584 Henry Tayor 1:30.18 9 A Min AA: 1:26.59 (+3.59s | 4.0%) Hood River Valley 02/13/2026 2026 OR HS 5a 1
50 Breast
40.35
40.35
100 Breast
49.83
1:30.18
100 Breast
1:30.18
585 Dean Sutton 1:30.19 10 A Min AA: 1:26.59 (+3.60s | 4.0%) East Coast C-Cerpants 11/14/2025 ISCA Fall Classic Championship 2025
50 Breast
43.96
43.96
100 Breast
46.23
1:30.19
100 Breast
1:30.19
586 Dean Deliessche 1:30.19 10 A Min AA: 1:26.59 (+3.60s | 4.0%) Trident Aquatic Club 02/28/2026 2026 MR QNS I Know I Can Invitational
50 Breast
42.23
42.23
100 Breast
47.96
1:30.19
100 Breast
1:30.19
587 Lynn Wilson 1:30.19 8 A Min AA: 1:26.59 (+3.60s | 4.0%) Rockville Montgomery Swim Club 02/20/2026 2026 RMSC February Invitational
50 Breast
43.40
43.40
100 Breast
46.79
1:30.19
100 Breast
1:30.19
588 Vinh Bui 1:30.19 10 A Min AA: 1:26.59 (+3.60s | 4.0%) Excel Aquatics 10/23/2026 2026 Pumpkin Spice Splash
50 Breast
42.73
42.73
100 Breast
47.46
1:30.19
100 Breast
1:30.19
589 Caleb Shepler 1:30.20 9 A Min AA: 1:26.59 (+3.61s | 4.0%) Motor City Aquatics 03/14/2026 2026 SCY 10 Under Championship Meet
50 Breast
42.36
42.36
100 Breast
47.84
1:30.20
100 Breast
1:30.20
590 Eason Kim 1:30.20 9 A Min AA: 1:26.59 (+3.61s | 4.0%) All Star Aquatics 03/12/2026 2026 PV SC 14 Under Championships Copied
50 Breast
42.30
42.30
100 Breast
47.90
1:30.20
100 Breast
1:30.20
591 Yaroslav Biliavskyi 1:30.20 10 A Min AA: 1:26.59 (+3.61s | 4.0%) Tac Titans 03/25/2026 2026 TAC TITANS Tarheel States Meet
50 Breast
42.68
42.68
100 Breast
47.52
1:30.20
100 Breast
1:30.20
592 Eric Zeng 1:30.24 9 A Min AA: 1:26.59 (+3.65s | 4.0%) Canyons Aquatic Club 03/12/2026 2026 SCS Spring Age Group Champs @ RMDA Cop
50 Breast
43.04
43.04
100 Breast
47.20
1:30.24
100 Breast
1:30.24
593 Niko Van Halen 1:30.24 10 A Min AA: 1:26.59 (+3.65s | 4.0%) Swim Florida 09/19/2026 2026 GCST FALL OPEN
50 Breast
42.86
42.86
100 Breast
47.38
1:30.24
100 Breast
1:30.24
594 Ivan Smarshchok 1:30.24 9 A Min AA: 1:26.59 (+3.65s | 4.0%) Samena Club Swim Team 10/17/2026 2026 PN IST Fall Open Approved
50 Breast
43.04
43.04
100 Breast
47.20
1:30.24
100 Breast
1:30.24
595 Jaezyn Magnaye 1:30.25 10 A Min AA: 1:26.59 (+3.66s | 4.1%) Tualatin Hills Swim Club 08/07/2026 Bend Swim Club August Invitational
50 Breast
43.91
43.91
50 Breast
43.91
100 Breast
46.34
1:30.25
50 Breast
46.34
596 Nick Scarpitti 1:30.26 10 A Min AA: 1:26.59 (+3.67s | 4.1%) Cincinnati Aquatic Club 03/12/2026 2026 OH SC Junior Championships
50 Breast
44.14
44.14
100 Breast
46.12
1:30.26
100 Breast
1:30.26
597 Anderson Bradley 1:30.29 10 A Min AA: 1:26.59 (+3.70s | 4.1%) Coastal Machine Aquatics Club 03/12/2026 2026 SCS Spring Age Group Champs @ RMDA Cop
50 Breast
41.86
41.86
100 Breast
48.43
1:30.29
100 Breast
1:30.29
598 Will Martzke 1:30.30 10 A Min AA: 1:26.59 (+3.71s | 4.1%) Birmingham \\\\\\'y\\\\\\' Blue Dolphins 03/14/2026 2026 SCY 10 Under Championship Meet
50 Breast
43.01
43.01
100 Breast
47.29
1:30.30
100 Breast
1:30.30
599 Evan Yue 1:30.33 10 A Min AA: 1:26.59 (+3.74s | 4.1%) Nation\\\\\\'s Capital Swim Club 03/12/2026 2026 PV SC 14 Under Championships Copied
50 Breast
42.03
42.03
100 Breast
48.30
1:30.33
100 Breast
1:30.33
600 Sebastian Hostutler 1:30.34 10 A Min AA: 1:26.59 (+3.75s | 4.2%) Upper Main Line YMCA 12/11/2025 2025 East Coast WinterFest
50 Breast
41.96
41.96
100 Breast
48.38
1:30.34
100 Breast
1:30.34

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.