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 | Allister Georgiou | 38.59 | 10 | AA Min | AAA: 38.29 (+0.30s | 0.8%) | McGrath Marlins Swim Team | 07/10/2026 | 2026 SI SBA All Ages Last Chance Meet | |
| 102 | Thomas Nguyen | 38.63 | 10 | AA Min | AAA: 38.29 (+0.34s | 0.9%) | Cascade Swim Club | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 103 | Abraham Cheng | 38.66 | 10 | AA Min | AAA: 38.29 (+0.37s | 1.0%) | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 104 | Roman Kuleshov | 38.67 | 9 | AA Min | AAA: 38.29 (+0.38s | 1.0%) | Saint Andrew\\\\\\'s Aquatics | 12/11/2025 | 35th Annual Winter Championships | |
| 105 | Patrick Rollins | 38.72 | 10 | AA Min | AAA: 38.29 (+0.43s | 1.1%) | Atlantis Swimming | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 106 | Connor Sherman | 38.74 | 10 | AA Min | AAA: 38.29 (+0.45s | 1.2%) | Grosse Pointe Gators | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 107 | Sebastian Reilly | 38.77 | 10 | AA Min | AAA: 38.29 (+0.48s | 1.2%) | Nation\\\\\\'s Capital Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 108 | Thomas Sayer | 38.81 | 10 | AA Min | AAA: 38.29 (+0.52s | 1.3%) | Foxjets Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 109 | Renzhi Dong | 38.81 | 10 | AA Min | AAA: 38.29 (+0.52s | 1.3%) | Charles River Aquatics | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 110 | Judah Resnick | 38.83 | 10 | AA Min | AAA: 38.29 (+0.54s | 1.4%) | Fox Chapel Killer Whales | 02/13/2026 | 39th Black History Swim Meet | |
| 111 | Ryan Wang | 38.83 | 9 | AA Min | AAA: 38.29 (+0.54s | 1.4%) | Stamford Sailfish Aquatic Club | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 112 | Gregory Rucker | 38.85 | 10 | AA Min | AAA: 38.29 (+0.56s | 1.4%) | Firestone Akron Swim Team | 03/12/2026 | 2026 OH SC Junior Championships | |
| 113 | David Grant | 38.88 | 10 | AA Min | AAA: 38.29 (+0.59s | 1.5%) | Fort Collins Area Swim Team | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 114 | Leo Mercier | 38.88 | 10 | AA Min | AAA: 38.29 (+0.59s | 1.5%) | Egra Waves | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 115 | Lathan Su | 38.89 | 10 | AA Min | AAA: 38.29 (+0.60s | 1.5%) | Tokyo-Red | 01/24/2026 | 2026 SCS Swim Festival | |
| 116 | Jude Lowe | 38.91 | 10 | AA Min | AAA: 38.29 (+0.62s | 1.6%) | City of Charleston Southern M | 03/19/2026 | 2026 NC TAC ESSZ Age Group Sectionals | |
| 117 | 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 | |
| 118 | Justus Waqainabete | 38.97 | 10 | AA Min | AAA: 38.29 (+0.68s | 1.7%) | Aulea Swim Club | 10/25/2025 | 2025 HI 25th Annual Bill Smith Invitational | |
| 119 | Jayden Liu | 38.99 | 10 | AA Min | AAA: 38.29 (+0.70s | 1.8%) | Seattle Metropolitan Aquatic C | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 120 | Ken Lee | 39.02 | 10 | AA Min | AAA: 38.29 (+0.73s | 1.9%) | Jersey Flyers Aquatic Club | 02/06/2026 | 2026 MR COND Last Chance Invitational | |
| 121 | Zachary Zeng | 39.02 | 10 | AA Min | AAA: 38.29 (+0.73s | 1.9%) | Waterloo Swimming | 02/20/2026 | 2026 ST AAAA SC STAGS | |
| 122 | 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 | |
| 123 | Maxwell Dean | 39.04 | 10 | AA Min | AAA: 38.29 (+0.75s | 1.9%) | Voltage Aquatics | 12/13/2025 | 2025 Holiday Classic | |
| 124 | James Martin | 39.07 | 10 | AA Min | AAA: 38.29 (+0.78s | 2.0%) | Nova of Virginia | 01/16/2026 | GSA January Jump Start 2026 | |
| 125 | Miro Wang | 39.08 | 10 | AA Min | AAA: 38.29 (+0.79s | 2.0%) | Santa Clara Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 126 | 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 | |
| 127 | Luke Chen | 39.13 | 10 | AA Min | AAA: 38.29 (+0.84s | 2.1%) | Three Village Swim Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 128 | Braeden Crowe | 39.13 | 10 | AA Min | AAA: 38.29 (+0.84s | 2.1%) | Nu Wave Swim Club | 03/06/2026 | Speedo Southern Premier | |
| 129 | Henry Bresson | 39.18 | 10 | AA Min | AAA: 38.29 (+0.89s | 2.3%) | Chinook Aquatic Club | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 130 | Aiden Cowles | 39.18 | 10 | AA Min | AAA: 38.29 (+0.89s | 2.3%) | SwimMAC Carolina | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 131 | 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 | |
| 132 | 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 | |
| 133 | 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 | |
| 134 | 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 | |
| 135 | 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 | |
| 136 | Sawyer Nichols | 39.26 | 10 | AA Min | AAA: 38.29 (+0.97s | 2.5%) | Opelika Swim Team | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 137 | 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 | |
| 138 | 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 | |
| 139 | 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 | |
| 140 | Owen Tan | 39.33 | 9 | AA Min | AAA: 38.29 (+1.04s | 2.6%) | Hawaii Swimming Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 141 | 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 | |
| 142 | Simon Feldman | 39.35 | 9 | AA Min | AAA: 38.29 (+1.06s | 2.7%) | Patriot Aquatics | 12/04/2025 | RAFC Winter Classic | |
| 143 | Emerson Cornelius | 39.37 | 10 | AA Min | AAA: 38.29 (+1.08s | 2.7%) | Westview | 02/14/2025 | 2025 OR HS 6a 2 | |
| 144 | Samuel Evanovich | 39.38 | 10 | AA Min | AAA: 38.29 (+1.09s | 2.8%) | Tac Titans | 07/31/2026 | 2026 TAC TITANS Summer Sizzler | |
| 145 | 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 | |
| 146 | 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 | |
| 147 | Mateo Sison | 39.40 | 10 | AA Min | AAA: 38.29 (+1.11s | 2.8%) | San Ramon Valley Aquatics | 07/25/2026 | Zone 2 Summer Championships | |
| 148 | Owen Vaiana | 39.41 | 9 | AA Min | AAA: 38.29 (+1.12s | 2.8%) | Michigan Lakeshore Aquatics | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 149 | 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 | |
| 150 | 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 | |
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.