USA Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 51 | Charlie Lockett | 42.19 | 10 | AAA Min | AAAA: 41.49 (+0.70s | 1.7%) | Nitro Swimming | 06/20/2026 | 2026 ST NTRO LC Summer Classic | |
| 52 | Maxim Kurochkin | 42.20 | 10 | AAA Min | AAAA: 41.49 (+0.71s | 1.7%) | Cat 5 Aquatics | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 53 | Jorden Li | 42.21 | 10 | AAA Min | AAAA: 41.49 (+0.72s | 1.7%) | Arctic Aquatics | 06/12/2026 | 2026 NE CS Summer Solstice | |
| 54 | Riccardo Sardena | 42.22 | 10 | AAA Min | AAAA: 41.49 (+0.73s | 1.7%) | Swim Team of Placentia | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 55 | Sunyul Park | 42.31 | 10 | AAA Min | AAAA: 41.49 (+0.82s | 1.9%) | C.M. Gatton Beaumont YMCA | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | |
| 56 | Lathan Su | 42.32 | 10 | AAA Min | AAAA: 41.49 (+0.83s | 2.0%) | Arcadia Riptides Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 57 | Johann Gomez Ugalde | 42.32 | 10 | AAA Min | AAAA: 41.49 (+0.83s | 2.0%) | Southwest Stars Swim Club | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 58 | Philip Rodriguez | 42.35 | 10 | AAA Min | AAAA: 41.49 (+0.86s | 2.0%) | Tac Titans | 07/16/2026 | 2026 NCS LC AG Championships | |
| 59 | Isaac Kalsbeek | 42.39 | 10 | BB Min | A: 41.99 (+0.40s | 0.9%) | New Wave Swim Team | 07/16/2026 | 2026 NCS LC AG Championships | |
| 60 | Carter Novak | 42.43 | 10 | AAA Min | AAAA: 41.49 (+0.94s | 2.2%) | Aquatic Team Of Mecklenburg | 07/16/2026 | 2026 NCS LC AG Championships | |
| 61 | Robert Legg | 42.53 | 10 | AAA Min | AAAA: 41.49 (+1.04s | 2.4%) | Pleasanton Seahawks | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 62 | Leo Stevens | 42.57 | 10 | AAA Min | AAAA: 41.49 (+1.08s | 2.5%) | YMCA of the Triangle Area Swim | 07/16/2026 | 2026 NCS LC AG Championships | |
| 63 | Jacob Bao | 42.64 | 10 | AAA Min | AAAA: 41.49 (+1.15s | 2.7%) | Tac Titans | 07/16/2026 | 2026 NCS LC AG Championships | |
| 64 | Alexander Lyavzin | 42.75 | 10 | AAA Min | AAAA: 41.49 (+1.26s | 2.9%) | SwimRight Team | 05/22/2026 | 2026 Doral Swim Club LCM Spring Invite | |
| 65 | Christopher Buente | 42.75 | 10 | AAA Min | AAAA: 41.49 (+1.26s | 2.9%) | Lakeside Swim Team | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | |
| 66 | Isaac Zhang | 42.79 | 9 | AAA Min | AAAA: 41.49 (+1.30s | 3.0%) | First Colony Swim Team, Inc. | 07/16/2025 | 2025 Texas Age Group Championships | |
| 67 | Misha Bolton | 42.89 | 10 | AAA Min | AAAA: 41.49 (+1.40s | 3.3%) | Royal Swim Team | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 68 | Nhat Tran | 42.90 | 10 | AAA Min | AAAA: 41.49 (+1.41s | 3.3%) | Olympic Cascade Aquatics | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 69 | David Grant | 42.95 | 10 | AAA Min | AAAA: 41.49 (+1.46s | 3.4%) | Fort Collins Area Swim Team | 06/12/2026 | 2026 CO CSI Long Course Open | |
| 70 | Solomon Flowers | 43.01 | 10 | AAA Min | AAAA: 41.49 (+1.52s | 3.5%) | Lakeside Swim Team | 06/04/2026 | 98th Ohio Valley Championships 2026 | |
| 71 | Zachary Zeng | 43.07 | 10 | AAA Min | AAAA: 41.49 (+1.58s | 3.7%) | Waterloo Swimming | 07/09/2026 | 2026 ST NIST LC STAGS | |
| 72 | Owen Vaiana | 43.08 | 9 | AAA Min | AAAA: 41.49 (+1.59s | 3.7%) | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | |
| 73 | Parker Bettis | 43.12 | 10 | AAA Min | AAAA: 41.49 (+1.63s | 3.8%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 74 | Kyle Kang | 43.15 | 10 | AAA Min | AAAA: 41.49 (+1.66s | 3.8%) | Brea Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 75 | Allister Georgiou | 43.22 | 10 | AAA Min | AAAA: 41.49 (+1.73s | 4.0%) | McGrath Marlins Swim Team | 07/23/2026 | 2026 SI LC AGE GROUP CHAMPIONSHIPS | |
| 76 | Aurelius Lien | 43.23 | 9 | AAA Min | AAAA: 41.49 (+1.74s | 4.0%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 77 | Aiden Chung | 43.25 | 10 | AAA Min | AAAA: 41.49 (+1.76s | 4.1%) | Patriot Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 78 | Alexander Yampolsky | 43.35 | 10 | AAA Min | AAAA: 41.49 (+1.86s | 4.3%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 79 | Matt Maris-Wolf | 43.37 | 10 | AAA Min | AAAA: 41.49 (+1.88s | 4.3%) | Williamsburg Aquatic Club | 07/16/2026 | 2026 Virginia Swimming LC Age Group Champions | |
| 80 | Kyle Tang | 43.38 | 9 | AAA Min | AAAA: 41.49 (+1.89s | 4.4%) | Aquazot Swim Club | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 81 | Lukas Bell | 43.40 | 10 | AAA Min | AAAA: 41.49 (+1.91s | 4.4%) | SwimRVA | 07/16/2026 | 2026 Virginia Swimming LC Age Group Champions | |
| 82 | Ari Thorne | 43.42 | 10 | AAA Min | AAAA: 41.49 (+1.93s | 4.4%) | Sarasota Sharks | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 83 | Ryan Kashani | 43.48 | 10 | AAA Min | AAAA: 41.49 (+1.99s | 4.6%) | Houston Hydra | 06/05/2026 | 2026 ST SRG Arena Surge Shark Sizzler | |
| 84 | Kai-Chen Lin | 43.48 | 9 | AAA Min | AAAA: 41.49 (+1.99s | 4.6%) | Irvine Novaquatics | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 85 | Abraham Cheng | 43.51 | 10 | AAA Min | AAAA: 41.49 (+2.02s | 4.6%) | Aquazot Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 86 | Eddy Qian | 43.57 | 10 | AAA Min | AAAA: 41.49 (+2.08s | 4.8%) | Arctic Aquatics | 07/11/2026 | 2026 NE YNS July Last Chance Meet | |
| 87 | Anthony Ma | 43.58 | 10 | AAA Min | AAAA: 41.49 (+2.09s | 4.8%) | Utah Zone Team | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 88 | Dexter Danont | 43.60 | 10 | AA Min | AAA: 43.59 (+0.01s | 0.0%) | Arctic Aquatics | 06/12/2026 | 2026 NE CS Summer Solstice | |
| 89 | Jackson Coslick | 43.60 | 9 | AA Min | AAA: 43.59 (+0.01s | 0.0%) | Annapolis Swim Club | 07/29/2026 | 2026 MD LSC LC Championship | |
| 90 | Euan Kobersky | 43.61 | 10 | AA Min | AAA: 43.59 (+0.02s | 0.0%) | Oklahoma Swimming | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | |
| 91 | Xander Schatz | 43.61 | 10 | AA Min | AAA: 43.59 (+0.02s | 0.0%) | Unattached | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 92 | Liam Dunn | 43.61 | 10 | AA Min | AAA: 43.59 (+0.02s | 0.0%) | Meadowbrook Swim Team | 07/29/2026 | 2026 MD LSC LC Championship | |
| 93 | Steve Guo | 43.67 | 10 | AA Min | AAA: 43.59 (+0.08s | 0.2%) | Tac Titans | 07/16/2026 | 2026 NCS LC AG Championships | |
| 94 | Benjamin Hankinson | 43.69 | 9 | AA Min | AAA: 43.59 (+0.10s | 0.2%) | Jupiter Dragons Swim Team | 06/13/2026 | 2026 TCA Aaron Vaughn Memorial | |
| 95 | Aleksandr Rybin | 43.72 | 10 | AA Min | AAA: 43.59 (+0.13s | 0.3%) | King Aquatic Club | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 96 | Jensen Huang | 43.76 | 10 | AA Min | AAA: 43.59 (+0.17s | 0.4%) | Arcadia Riptides Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 97 | Joseph Chung | 43.76 | 10 | AA Min | AAA: 43.59 (+0.17s | 0.4%) | SwimMAC Carolina | 07/16/2026 | 2026 NCS LC AG Championships | |
| 98 | Roman Kuleshov | 43.76 | 9 | AA Min | AAA: 43.59 (+0.17s | 0.4%) | Saint Andrew\\\\\\'s Aquatics | 06/17/2026 | Swim Fort Lauderdale Speedo Summer Classic 26 | |
| 99 | Ti Dawson | 43.76 | 10 | AA Min | AAA: 43.59 (+0.17s | 0.4%) | SwimMAC Carolina | 07/16/2026 | 2026 NCS LC AG Championships | |
| 100 | Alain Mustafin | 43.79 | 10 | AA Min | AAA: 43.59 (+0.20s | 0.5%) | Cypress Fairbanks Swim Club | 06/12/2026 | 2026 ST TXLA Texas Open Invite | |
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.