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 | 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 | |
| 52 | Wesley Cai | 42.85 | 10 | AAA Min | AAAA: 41.49 (+1.36s | 3.2%) | Unattached | 08/06/2026 | 2026 CZ 14 U Championship Meet MN | |
| 53 | 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 | |
| 54 | Zachary Zeng | 43.07 | 10 | AAA Min | AAAA: 41.49 (+1.58s | 3.7%) | Waterloo Swimming | 07/09/2026 | 2026 ST NIST LC STAGS | |
| 55 | Owen Vaiana | 43.08 | 10 | AAA Min | AAAA: 41.49 (+1.59s | 3.7%) | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | |
| 56 | Parker Bettis | 43.12 | 10 | AAA Min | AAAA: 41.49 (+1.63s | 3.8%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 57 | 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 | |
| 58 | 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 | |
| 59 | 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 | |
| 60 | Alexander Yampolsky | 43.35 | 10 | AAA Min | AAAA: 41.49 (+1.86s | 4.3%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 61 | Harry Gerasim | 43.35 | 10 | AAA Min | AAAA: 41.49 (+1.86s | 4.3%) | Eagle Aquatics | 07/16/2026 | 2026 FGC Summer LC Age Group Championships | |
| 62 | Harvey Steinberg | 43.37 | 10 | AAA Min | AAAA: 41.49 (+1.88s | 4.3%) | Unattached | 08/06/2026 | 2026 CZ 14 U Championship Meet MN | |
| 63 | 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 | |
| 64 | 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 | |
| 65 | 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 | |
| 66 | 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 | |
| 67 | 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 | |
| 68 | James Wells | 43.49 | 10 | AAA Min | AAAA: 41.49 (+2.00s | 4.6%) | Unattached | 08/06/2026 | 2026 CZ 14 U Championship Meet MN | |
| 69 | 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 | |
| 70 | Roman Kuleshov | 43.55 | 10 | AAA Min | AAAA: 41.49 (+2.06s | 4.7%) | Saint Andrew\\\\\\'s Aquatics | 07/16/2026 | 2026 FGC Summer LC Age Group Championships | |
| 71 | 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 | |
| 72 | Dexter Danont | 43.60 | 10 | AA Min | AAA: 43.59 (+0.01s | 0.0%) | Arctic Aquatics | 06/12/2026 | 2026 NE CS Summer Solstice | |
| 73 | 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 | |
| 74 | Oliver Gist-Pitts | 43.60 | 10 | AA Min | AAA: 43.59 (+0.01s | 0.0%) | Riptide Swim Team | 09/13/2026 | 2026 CO RIP Ice Cream Sandwich Meet | |
| 75 | 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 | |
| 76 | Vallen Volosov | 43.68 | 10 | AA Min | AAA: 43.59 (+0.09s | 0.2%) | Streamline Aquatics Club | 07/23/2026 | 2026 NJ Swim LC Gold Championships | |
| 77 | 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 | |
| 78 | Joseph Chung | 43.76 | 10 | AA Min | AAA: 43.59 (+0.17s | 0.4%) | SwimMAC Carolina | 07/16/2026 | 2026 NCS LC AG Championships | |
| 79 | 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 | |
| 80 | Ti Dawson | 43.76 | 10 | AA Min | AAA: 43.59 (+0.17s | 0.4%) | SwimMAC Carolina | 07/16/2026 | 2026 NCS LC AG Championships | |
| 81 | 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 | |
| 82 | Jaden Zhao | 43.79 | 10 | BB Min | A: 41.99 (+1.80s | 4.1%) | Jersey Flyers Aquatic Club | 07/23/2026 | 2026 NJ Swim LC Gold Championships | |
| 83 | Jack Armbruster | 43.81 | 10 | AA Min | AAA: 43.59 (+0.22s | 0.5%) | San Clemente Aquatic Team | 06/11/2026 | 2026 SCS June AG Invite | |
| 84 | Lok Zhang | 43.83 | 10 | AA Min | AAA: 43.59 (+0.24s | 0.5%) | Pacific Dragons Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 85 | Daniil Dontsov | 43.84 | 10 | AA Min | AAA: 43.59 (+0.25s | 0.6%) | Rebel Aquatic Club | 07/23/2026 | 2026 NJ Swim LC Gold Championships | |
| 86 | Jason Yin | 43.90 | 9 | AA Min | AAA: 43.59 (+0.31s | 0.7%) | Quicksilver Swimming | 07/30/2026 | Long Course Far Westerns | |
| 87 | Troy Cary | 43.96 | 10 | AA Min | AAA: 43.59 (+0.37s | 0.8%) | Alamo Heights Aquatic Club ? A | 07/09/2026 | 2026 ST NIST LC STAGS | |
| 88 | Nathan Campbell | 44.00 | 9 | AA Min | AAA: 43.59 (+0.41s | 0.9%) | Southwestern Aquatics Team - S | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 89 | Elijah Braeger | 44.01 | 10 | AA Min | AAA: 43.59 (+0.42s | 1.0%) | Lakeside Swim Team | 04/25/2026 | 2026 Triton Derby Swim Festival | |
| 90 | Bennett Cordero | 44.02 | 10 | AA Min | AAA: 43.59 (+0.43s | 1.0%) | Aquatic Team Of Mecklenburg | 06/25/2026 | ONSA Independence Invitational Copied | |
| 91 | Ari Mobasseri | 44.04 | 8 | AA Min | AAA: 43.59 (+0.45s | 1.0%) | Aquazot Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 92 | Aaron Kim | 44.06 | 10 | AA Min | AAA: 43.59 (+0.47s | 1.1%) | The Spartans of La Canada | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 93 | Devin Song | 44.06 | 9 | AA Min | AAA: 43.59 (+0.47s | 1.1%) | Rose Bowl Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 94 | Sebastian Horn-Rios | 44.06 | 10 | AA Min | AAA: 43.59 (+0.47s | 1.1%) | T2 Aquatics | 04/17/2026 | 2026 GCST Spring Open | |
| 95 | Thomas Klinger | 44.12 | 10 | AA Min | AAA: 43.59 (+0.53s | 1.2%) | Tide Swimming | 07/16/2026 | 2026 Virginia Swimming LC Age Group Champions | |
| 96 | Isaac Varner | 44.12 | 10 | AA Min | AAA: 43.59 (+0.53s | 1.2%) | Upper Arlington Swim Club | 07/23/2026 | 2026 OH LC Junior Championships | |
| 97 | Owen Zeng | 44.17 | 10 | AA Min | AAA: 43.59 (+0.58s | 1.3%) | Trident Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 98 | Arthur Wang | 44.17 | 10 | AA Min | AAA: 43.59 (+0.58s | 1.3%) | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | |
| 99 | Jonathan Li | 44.18 | 8 | AA Min | AAA: 43.59 (+0.59s | 1.3%) | Brea Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 100 | August Baikauskas | 44.18 | 9 | AA Min | AAA: 43.59 (+0.59s | 1.3%) | Loyola Blakefield Aquatics | 07/29/2026 | 2026 MD LSC LC Championship | |
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.