USA Boys 10 & under - 50 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 101 | Ethan Qu | 38.91 | 10 | AA Min | AAA: 38.29 (+0.62s | 1.6%) | Santa Clara Swim Club | 04/09/2026 | 2026 Far Western SC Hosted By SCSC | |
| 102 | Owen Tan | 38.91 | 9 | AA Min | AAA: 38.29 (+0.62s | 1.6%) | Hawaii Swimming Club | 10/02/2026 | 2026 HI Al Minn Invitational | |
| 103 | Matteo Sacrafamilia | 38.96 | 10 | AA Min | AAA: 38.29 (+0.67s | 1.7%) | Sailfish | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
| 104 | Yakov Liddell | 39.03 | 5 | AA Min | AAA: 38.29 (+0.74s | 1.9%) | Soda Fall | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 105 | Jameson Leung | 39.11 | 10 | AA Min | AAA: 38.29 (+0.82s | 2.1%) | Trident Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 106 | Randall Plaisance | 39.17 | 10 | AA Min | AAA: 38.29 (+0.88s | 2.2%) | Opelika Swim Team | 09/12/2026 | OST Fall Invite | |
| 107 | Henry Bresson | 39.18 | 10 | AA Min | AAA: 38.29 (+0.89s | 2.3%) | Chinook Aquatic Club | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 108 | Jonathan Miriovsky | 39.19 | 10 | AA Min | AAA: 38.29 (+0.90s | 2.3%) | Huntsville Swim Association | 03/19/2026 | 2026 NC TAC ESSZ Age Group Sectionals | |
| 109 | Eason Kim | 39.20 | 9 | AA Min | AAA: 38.29 (+0.91s | 2.3%) | All Star Aquatics | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 110 | Oliver Pearce | 39.20 | 10 | AA Min | AAA: 38.29 (+0.91s | 2.3%) | Aces Swim Club | 10/16/2026 | 2026 CO MACS Fall Invitational | |
| 111 | Sawyer Nichols | 39.21 | 10 | AA Min | AAA: 38.29 (+0.92s | 2.3%) | Opelika Swim Team | 10/02/2026 | 2026 Vance Rose Invitational | |
| 112 | Jackson Coslick | 39.23 | 9 | AA Min | AAA: 38.29 (+0.94s | 2.4%) | Annapolis Swim Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 113 | Hunter Atkins | 39.23 | 10 | AA Min | AAA: 38.29 (+0.94s | 2.4%) | Palo Alto Stanford Aquatics | 07/21/2026 | Last Chance For FW Block Party Meet | |
| 114 | Isaac Varner | 39.24 | 10 | AA Min | AAA: 38.29 (+0.95s | 2.4%) | Upper Arlington Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 115 | Chandler Lourie | 39.24 | 10 | AA Min | AAA: 38.29 (+0.95s | 2.4%) | Life Time Southeast Swim Team | 09/12/2026 | 2026 BSL SE Sprint Into Fall | |
| 116 | Cavan Clark | 39.30 | 10 | AA Min | AAA: 38.29 (+1.01s | 2.6%) | Uncle Sam Swim Team | 01/23/2026 | 2026 MR HAWKS AD Trials And Finals | |
| 117 | Charlie Lockett | 39.30 | 10 | AA Min | AAA: 38.29 (+1.01s | 2.6%) | Nitro Swimming | 01/16/2026 | 2026 ST NTRO Winter Prelim Final Invite | |
| 118 | Brady Richeda | 39.32 | 9 | AA Min | AAA: 38.29 (+1.03s | 2.6%) | Rapids Swim Team | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 119 | Simon Krel | 39.32 | 10 | AA Min | AAA: 38.29 (+1.03s | 2.6%) | Metro Area Life Time | 10/17/2026 | 2026 EEX RU Scared Yet | |
| 120 | Tyrus Lu | 39.33 | 10 | AA Min | AAA: 38.29 (+1.04s | 2.6%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 121 | Reid Kelly | 39.33 | 10 | AA Min | AAA: 38.29 (+1.04s | 2.6%) | Riptide Swim Team | 10/24/2026 | 2026 CO LONG Great Pumpkin Pentathlon | |
| 122 | Aiden Sanchez | 39.36 | 8 | AA Min | AAA: 38.29 (+1.07s | 2.7%) | Saint Petersburg Aquatics | 09/18/2026 | Kiefer Speedo Fall Invitational | |
| 123 | Emerson Cornelius | 39.37 | 10 | AA Min | AAA: 38.29 (+1.08s | 2.7%) | Westview | 02/14/2025 | 2025 OR HS 6a 2 | |
| 124 | Calvin Yang | 39.38 | 10 | AA Min | AAA: 38.29 (+1.09s | 2.8%) | Annapolis Swim Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 125 | Samuel Evanovich | 39.38 | 10 | AA Min | AAA: 38.29 (+1.09s | 2.8%) | Tac Titans | 07/31/2026 | 2026 TAC TITANS Summer Sizzler | |
| 126 | Thomas Sedano | 39.38 | 10 | AA Min | AAA: 38.29 (+1.09s | 2.8%) | Monterey Bay Swim Club | 10/03/2026 | Quicksilver Santa Cruz Competencia 2026 | |
| 127 | Eddy Qian | 39.39 | 10 | AA Min | AAA: 38.29 (+1.10s | 2.8%) | Arctic Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 128 | Jeffrey Li | 39.39 | 10 | AA Min | AAA: 38.29 (+1.10s | 2.8%) | Sunnyvale Swim Club | 10/24/2026 | SUNN Fall Classic 2026 | |
| 129 | Owen Vaiana | 39.41 | 10 | AA Min | AAA: 38.29 (+1.12s | 2.8%) | Michigan Lakeshore Aquatics | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 130 | Aleksandr Rybin | 39.41 | 10 | AA Min | AAA: 38.29 (+1.12s | 2.8%) | King Aquatic Club | 09/26/2026 | 2026 PN IST Sockeye Sprints Approved | |
| 131 | Riccardo Sardena | 39.42 | 10 | AA Min | AAA: 38.29 (+1.13s | 2.9%) | Swim Team of Placentia | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 132 | Leo Groneck | 39.42 | 10 | AA Min | AAA: 38.29 (+1.13s | 2.9%) | Northern KY Clippers | 10/23/2026 | 2026 CLPR Halloween Meet | |
| 133 | Isaac Zhang | 39.44 | 9 | AA Min | AAA: 38.29 (+1.15s | 2.9%) | First Colony Swim Team, Inc. | 12/06/2024 | 2024 Gulf Age Group Championships | |
| 134 | Lance Adams | 39.45 | 10 | AA Min | AAA: 38.29 (+1.16s | 2.9%) | Novi Sturgeons | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 135 | Bennett Cordero | 39.46 | 10 | AA Min | AAA: 38.29 (+1.17s | 3.0%) | Aquatic Team Of Mecklenburg | 03/06/2026 | Speedo Southern Premier | |
| 136 | JC Marquez | 39.46 | 10 | AA Min | AAA: 38.29 (+1.17s | 3.0%) | Heritage Aquatic Team | 03/05/2026 | 2026 FG Age Group SCY Championships | |
| 137 | Justin Wiederhold | 39.47 | 10 | AA Min | AAA: 38.29 (+1.18s | 3.0%) | Long Island Aquatic Club | 12/11/2025 | 2025 MR HAUP Eagle Invitational | |
| 138 | Jett Manion | 39.47 | 10 | AA Min | AAA: 38.29 (+1.18s | 3.0%) | Huntsville Swim Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 139 | John Calvet | 39.49 | 9 | AA Min | AAA: 38.29 (+1.20s | 3.0%) | Lakeridge | 02/13/2026 | 2026 OR HS 6A 5 | |
| 140 | Nhat Tran | 39.49 | 10 | AA Min | AAA: 38.29 (+1.20s | 3.0%) | Olympic Cascade Aquatics | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 141 | Leo Williams | 39.50 | 9 | AA Min | AAA: 38.29 (+1.21s | 3.1%) | Marlins Of Raleigh | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 142 | Jacob Liu | 39.50 | 10 | AA Min | AAA: 38.29 (+1.21s | 3.1%) | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 143 | Jiyul Park | 39.51 | 8 | AA Min | AAA: 38.29 (+1.22s | 3.1%) | C.M. Gatton Beaumont YMCA | 10/16/2026 | 2026 SwimVille USA Jack Thompson Classic | |
| 144 | Jefferson Chiang | 39.52 | 10 | AA Min | AAA: 38.29 (+1.23s | 3.1%) | Tokyo-Red | 01/24/2026 | 2026 SCS Swim Festival | |
| 145 | Andy Tran | 39.53 | 10 | AA Min | AAA: 38.29 (+1.24s | 3.1%) | Seattle Metropolitan Aquatic C | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 146 | Joseph Hanik | 39.54 | 9 | AA Min | AAA: 38.29 (+1.25s | 3.2%) | Fairfax Foxes Swimming | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 147 | Emmett Curry | 39.54 | 10 | AA Min | AAA: 38.29 (+1.25s | 3.2%) | Seattle Metropolitan Aquatic C | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 148 | Leonardo Henn | 39.54 | 10 | AA Min | AAA: 38.29 (+1.25s | 3.2%) | Eagles Swim Club | 10/10/2026 | OCTOBER OPEN 2026 | |
| 149 | Luca Axente | 39.55 | 10 | AA Min | AAA: 38.29 (+1.26s | 3.2%) | Dynamo Swim Club | 03/06/2026 | Speedo Southern Premier | |
| 150 | Brayden Bajuscak | 39.57 | 10 | AA Min | AAA: 38.29 (+1.28s | 3.2%) | Shorewood | 02/13/2026 | 2026 OR HS 6A 3 | |
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.