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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1251 | Marcus Chistol | 45.92 | 10 | BB Min | A: 42.09 (+3.83s | 8.3%) | Livermore AquaCowboys | 09/19/2026 | PC LAC C B BB 26 Copied | |
| 1252 | Brandon Son | 45.92 | 9 | BB Min | A: 42.09 (+3.83s | 8.3%) | Columbia River Swim Team | 10/10/2026 | LA Fall Kick Off 2026 | |
| 1253 | Callahan Espiritu | 45.93 | 8 | BB Min | A: 42.09 (+3.84s | 8.4%) | Aquazot Swim Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 1254 | Michael Liu | 45.93 | 9 | BB Min | A: 42.09 (+3.84s | 8.4%) | Mei\\\\\\'s Typhoons Swimming Club | 06/06/2026 | 2026 NE NSSC June Invitational @ SJP | |
| 1255 | Charlie Vazac | 45.93 | 10 | BB Min | A: 42.09 (+3.84s | 8.4%) | St Croix Swim Club | 02/07/2026 | 2026 MN AQJT February Invite | |
| 1256 | Carter McDonald | 45.94 | 9 | BB Min | A: 42.09 (+3.85s | 8.4%) | Seattle Metropolitan Aquatic C | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 1257 | Jacob Karalitzky | 45.94 | 10 | BB Min | A: 42.09 (+3.85s | 8.4%) | Three Village Swim Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 1258 | Aiden Harrington | 45.94 | 10 | BB Min | A: 42.09 (+3.85s | 8.4%) | Royal Swimming | 03/07/2026 | 2026 Lake Huron Regional Meet | |
| 1259 | Brennan Corcoran | 45.94 | 9 | BB Min | A: 42.09 (+3.85s | 8.4%) | Naval Academy Aquatic Club | 02/14/2026 | EST Vs NAAC Dual Meet | |
| 1260 | Jack Duby | 45.94 | 8 | BB Min | A: 42.09 (+3.85s | 8.4%) | Tennessee Aquatics | 10/17/2026 | 2026 MCC October Invite Copied | |
| 1261 | Travis Sullivan | 45.95 | 10 | BB Min | A: 42.09 (+3.86s | 8.4%) | Mission Valley YMCA | 05/03/2026 | Mission Valley YMCA Rising Stars 1 | |
| 1262 | Logan Hickman | 45.96 | 9 | BB Min | A: 42.09 (+3.87s | 8.4%) | Machine Aquatics | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 1263 | Dudu Du | 45.96 | 10 | BB Min | A: 42.09 (+3.87s | 8.4%) | Pacific Dragons Swim Team | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 1264 | Jordy Walder | 45.96 | 10 | BB Min | A: 42.09 (+3.87s | 8.4%) | Dakota Riptide | 10/24/2026 | 2026 SD SFST Swim Series Meet #2 | |
| 1265 | Benjamin Kenton | 45.97 | 10 | BB Min | A: 42.09 (+3.88s | 8.4%) | Hillsboro Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 1266 | Ryan Musser | 45.97 | 8 | BB Min | A: 42.09 (+3.88s | 8.4%) | All Star Aquatics | 02/13/2026 | 2026 ASA President S Day Classic | |
| 1267 | Easton Mower | 45.97 | 10 | BB Min | A: 42.09 (+3.88s | 8.4%) | Poseidon Swimming Inc | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 1268 | Asher Haack | 45.97 | 10 | BB Min | A: 42.09 (+3.88s | 8.4%) | Dayton Raiders | 02/20/2026 | 2026 OH WAVE SC Regional Championships | |
| 1269 | Eli Cukrov | 45.97 | 9 | BB Min | A: 42.09 (+3.88s | 8.4%) | Reno Aquatic Club | 10/16/2026 | 2026 KING OF THE HILL CHALLENGE | |
| 1270 | Oliver Ni | 45.97 | 10 | BB Min | A: 42.09 (+3.88s | 8.4%) | Makos Aquatics Club of Gainesv | 10/09/2026 | 2026 FAST Pumpkin Plunge | |
| 1271 | Asher Kim | 45.97 | 10 | BB Min | A: 42.09 (+3.88s | 8.4%) | Huntsville Swim Association | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 1272 | Cooper Rasmussen | 45.98 | 9 | BB Min | A: 42.09 (+3.89s | 8.5%) | David Douglas | 02/13/2026 | 2026 OR HS 6A 4 | |
| 1273 | Caleb Gorelik | 45.98 | 9 | BB Min | A: 42.09 (+3.89s | 8.5%) | Hydra Aquatics | 11/14/2025 | ISCA Fall Classic Championship 2025 | |
| 1274 | Easton Hardman | 46.00 | 9 | BB Min | A: 42.09 (+3.91s | 8.5%) | Piranha Aquatics | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1275 | Luke Hammer | 46.00 | 10 | BB Min | A: 42.09 (+3.91s | 8.5%) | University Place Aquatic Club | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 1276 | Allen Kolodny | 46.00 | 10 | BB Min | A: 42.09 (+3.91s | 8.5%) | Bravo Swim Team | 11/21/2025 | 2025 SoFlo Last Chance And Holiday Classic | |
| 1277 | Owen Wallin | 46.01 | 8 | BB Min | A: 42.09 (+3.92s | 8.5%) | Tampa Elite Aquatics | 10/02/2026 | SAINT PETE AQUATICS FRI NITE RACE OCT 2 2026 | |
| 1278 | Porter Pitti | 46.02 | 9 | BB Min | A: 42.09 (+3.93s | 8.5%) | Olympus Aquatics | 09/19/2025 | 2025 Thomas G Thorum IMX Challenge | |
| 1279 | Mateo Torrelli | 46.02 | 10 | BB Min | A: 42.09 (+3.93s | 8.5%) | Clearwater Aquatic Team | 10/09/2026 | 2026 GTSA TYR Swim Classic | |
| 1280 | Noah Chong | 46.02 | 10 | BB Min | A: 42.09 (+3.93s | 8.5%) | Rainbow Aquatics | 10/24/2026 | 2026 HI 26th Annual Bill Smith Invitational | |
| 1281 | August Yarnelle | 46.03 | 9 | BB Min | A: 42.09 (+3.94s | 8.6%) | Potomac Marlins | 03/20/2026 | March Madness 2026 | |
| 1282 | Qianxun Zhu | 46.03 | 8 | BB Min | A: 42.09 (+3.94s | 8.6%) | Pipeline Swimming | 10/09/2026 | 2026 GTSA TYR Swim Classic | |
| 1283 | Owen Yusko | 46.03 | 10 | BB Min | A: 42.09 (+3.94s | 8.6%) | Ensworth Aquatics | 09/25/2026 | 2026 Excel Aquatics Fall Fest Invite | |
| 1284 | Emory Hulslander | 46.03 | 10 | BB Min | A: 42.09 (+3.94s | 8.6%) | Aces Swim Club | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 1285 | Patrick Wang | 46.03 | 9 | BB Min | A: 42.09 (+3.94s | 8.6%) | Milpitas Aquatic Club | 10/10/2026 | MAC Oct 10th Block Party | |
| 1286 | William Yang | 46.03 | 10 | BB Min | A: 42.09 (+3.94s | 8.6%) | Tualatin Hills Swim Club | 10/23/2026 | 2026 THSC Fall Invitational | |
| 1287 | Benjamin Bolkey | 46.04 | 9 | BB Min | A: 42.09 (+3.95s | 8.6%) | Lone Star Aquatic Club | 09/19/2026 | 2026 ST LSAC Welcome To The Rock | |
| 1288 | Noah Wu | 46.04 | 10 | BB Min | A: 42.09 (+3.95s | 8.6%) | Palo Alto Stanford Aquatics | 10/03/2026 | PASA CBA+ SCY Meet Oct 2026 | |
| 1289 | Paton Sawyer | 46.04 | 9 | BB Min | A: 42.09 (+3.95s | 8.6%) | Bellingham Bay Swim Team | 10/10/2026 | 2026 BBST Fall Kickoff Approved | |
| 1290 | Reid Finley | 46.04 | 9 | BB Min | A: 42.09 (+3.95s | 8.6%) | Parkway-Rockwood Gateway Swim | 10/09/2026 | Fall Festival Invitational | |
| 1291 | Alfie Mobbs | 46.05 | 10 | BB Min | A: 42.09 (+3.96s | 8.6%) | Lake Oswego Swim Club | 01/02/2026 | 2026 CST Shark Chase Invitational | |
| 1292 | Adam Alqaqaa | 46.05 | 10 | BB Min | A: 42.09 (+3.96s | 8.6%) | Front Range Barracudas | 10/09/2026 | 2026 CO CUDA 500 Free 400 IM Meet | |
| 1293 | Quinn Cobb | 46.06 | 10 | BB Min | A: 42.09 (+3.97s | 8.6%) | Foxjets Swim Team | 02/27/2026 | 2026 MN EDI Minnesota Regional Championship | |
| 1294 | Jack Viana | 46.07 | 10 | BB Min | A: 42.09 (+3.98s | 8.6%) | FireFish Swim Team | 11/14/2025 | 2025 NE KING CAC Fall Invite Copied | |
| 1295 | Adrian Wachs | 46.07 | 10 | BB Min | A: 42.09 (+3.98s | 8.6%) | T2 Aquatics | 09/19/2026 | 2026 GCST FALL OPEN | |
| 1296 | Avyaan Wasuja | 46.08 | 10 | BB Min | A: 42.09 (+3.99s | 8.7%) | Wave Aquatics | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 1297 | Nicholas Rodriguez | 46.09 | 10 | BB Min | A: 42.09 (+4.00s | 8.7%) | Hampton Virginia Current | 03/21/2026 | HVAC Spring Intra Squad Meet | |
| 1298 | Owen Ozkul | 46.09 | 9 | BB Min | A: 42.09 (+4.00s | 8.7%) | Empire Swimming | 02/20/2026 | 2026 MR Silvers North Championship YMID | |
| 1299 | Jack Mearns | 46.09 | 8 | BB Min | A: 42.09 (+4.00s | 8.7%) | Greensboro Community YMCA | 02/13/2026 | 2026 TYDE Be My Valentine Meet | |
| 1300 | Noah VanTatenhove | 46.09 | 9 | BB Min | A: 42.09 (+4.00s | 8.7%) | Aquatex Swim & Water Polo Team | 09/18/2026 | 2026 ST AQTX Round Rock Unclassified | |
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.