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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2251 | Tomas Barrios Vivas | 48.86 | 10 | B Min | BB: 47.69 (+1.17s | 2.4%) | YMCA of Central Florida | 07/25/2026 | 2026 FL Summer Area 2 Championships Working | |
| 2252 | Kai Chen | 48.86 | 10 | B Min | BB: 47.69 (+1.17s | 2.4%) | Wave Aquatics | 08/01/2026 | 2026 PN WAVE Summer Pentathlon Invite Appr | |
| 2253 | Jake Revelli | 48.86 | 10 | B Min | BB: 47.69 (+1.17s | 2.4%) | Wolverine Aquatics | 09/26/2026 | 2026 CCA Spook Tacular | |
| 2254 | Liam Gregson | 48.86 | 10 | B Min | BB: 47.69 (+1.17s | 2.4%) | Hydro Swim Club | 10/25/2026 | 2026 Hydro Halloween Pentathlon | |
| 2255 | Seamus Doohan | 48.87 | 9 | B Min | BB: 47.69 (+1.18s | 2.4%) | Condors Swim Club | 03/27/2026 | 2026 MR Bronze Championships Central KBM | |
| 2256 | Erik Ang | 48.87 | 10 | B Min | BB: 47.69 (+1.18s | 2.4%) | EL Paso Border Land Swim Team | 10/17/2026 | 2026 BD SWAToberfest Sprintacular | |
| 2257 | Lucas Parker | 48.88 | 10 | B Min | BB: 47.69 (+1.19s | 2.4%) | Bayside Aquatics | 11/01/2025 | 2025 Fox Fall Invitational 2 | |
| 2258 | William Walton | 48.88 | 10 | B Min | BB: 47.69 (+1.19s | 2.4%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 2259 | Patrick Stewart | 48.88 | 10 | B Min | BB: 47.69 (+1.19s | 2.4%) | Old Dominion Aquatic Club | 01/10/2026 | ODAC January 2026 Rising Stars Meet | |
| 2260 | Albert Jing | 48.88 | 8 | B Min | BB: 47.69 (+1.19s | 2.4%) | Santa Clara Swim Club | 09/19/2026 | 2026 Milpitas Aquatic Club Season Kick Off | |
| 2261 | Eduardo Souza | 48.88 | 10 | B Min | BB: 47.69 (+1.19s | 2.4%) | Gulliver Swim Club | 02/14/2026 | NMST BMHG February BC Invite 26 | |
| 2262 | Andrew Kaplan | 48.88 | 9 | B Min | BB: 47.69 (+1.19s | 2.4%) | SwimRise Aquatics | 09/26/2026 | 2026 SwimRise September Splash | |
| 2263 | Philip McDevitt | 48.88 | 10 | B Min | BB: 47.69 (+1.19s | 2.4%) | Chinook Aquatic Club | 09/26/2026 | 2026 PN UPAC Fall Open Approved | |
| 2264 | Ames Ollestad | 48.88 | 8 | B Min | BB: 47.69 (+1.19s | 2.4%) | Lone Star Aquatic Club | 12/05/2025 | 2025 ST LSAC 5th Annual Graceland | |
| 2265 | Roman Mazeres | 48.89 | 10 | B Min | BB: 47.69 (+1.20s | 2.5%) | Richmond City Riptides | 11/22/2025 | NOVA Cranberry Contender | |
| 2266 | Davi Dressler | 48.89 | 10 | B Min | BB: 47.69 (+1.20s | 2.5%) | Asphalt Green Unified Aquatics | 11/07/2025 | 2025 MR LIE Fall Classic Invitational | |
| 2267 | Gage Sena | 48.89 | 10 | B Min | BB: 47.69 (+1.20s | 2.5%) | Lamarlins Swim Team, Inc. | 06/19/2026 | 2026 Max Shirley Radiff Memorial | |
| 2268 | Skandan Chamraj | 48.89 | 9 | B Min | BB: 47.69 (+1.20s | 2.5%) | Riptide Swim Team | 02/27/2026 | 2026 MN MAN Minnesota Regional Championship | |
| 2269 | Maximus Agresti | 48.89 | 9 | B Min | BB: 47.69 (+1.20s | 2.5%) | Punahou Aquatics Institute | 10/02/2026 | 2026 HI Al Minn Invitational | |
| 2270 | Joey Pardue | 48.90 | 10 | B Min | BB: 47.69 (+1.21s | 2.5%) | Sailfish | 09/20/2024 | 2024 ST AQTX Round Rock Unclassified | |
| 2271 | Thiago Ronda | 48.90 | 8 | B Min | BB: 47.69 (+1.21s | 2.5%) | Swim Florida | 09/19/2026 | 2026 GCST FALL OPEN | |
| 2272 | Alimansur Aidyn | 48.90 | 10 | B Min | BB: 47.69 (+1.21s | 2.5%) | Mission Aurora Colorado Swimmi | 10/16/2026 | 2026 CO MACS Fall Invitational | |
| 2273 | Denis Tumelia | 48.90 | 9 | B Min | BB: 47.69 (+1.21s | 2.5%) | Mission Aurora Colorado Swimmi | 10/16/2026 | 2026 CO MACS Fall Invitational | |
| 2274 | Alexander Zhurid | 48.90 | 9 | B Min | BB: 47.69 (+1.21s | 2.5%) | Bellevue Club Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 2275 | Evan Hradecky | 48.91 | 10 | B Min | BB: 47.69 (+1.22s | 2.5%) | Texas Elite Swim Team | 11/09/2024 | 2024 LSST November Open Meet | |
| 2276 | Camden Sparenborg | 48.91 | 8 | B Min | BB: 47.69 (+1.22s | 2.5%) | Utah Valley Aquatics | 12/04/2025 | 2025 Holiday Swim Festival | |
| 2277 | Kais Esmail | 48.91 | 10 | B Min | BB: 47.69 (+1.22s | 2.5%) | Bellingham Bay Swim Team | 03/06/2026 | 2026 BBST Seize The Day Invitational | |
| 2278 | Ezekiel Cardenas | 48.91 | 9 | B Min | BB: 47.69 (+1.22s | 2.5%) | EL Paso Border Land Swim Team | 09/20/2026 | 2026 BD Del Norte #1 | |
| 2279 | Lavie Feldman | 48.91 | 10 | B Min | BB: 47.69 (+1.22s | 2.5%) | Tualatin Hills Swim Club | 10/23/2026 | 2026 THSC Fall Invitational | |
| 2280 | Liam Adrian | 48.91 | 10 | B Min | BB: 47.69 (+1.22s | 2.5%) | Multnomah Athletic Club | 10/09/2026 | 2026 Rogue Rapids Sofia Marks Invitational | |
| 2281 | Graycin Wilson | 48.92 | 8 | B Min | BB: 47.69 (+1.23s | 2.5%) | Wheeling YMCA | 01/17/2026 | Club Mountaineer January Age Group Winter Spl | |
| 2282 | Patrick Casey | 48.92 | 9 | B Min | BB: 47.69 (+1.23s | 2.5%) | Nation\\\\\\'s Capital Swim Club | 12/21/2025 | 2025 PAC 10 U Reindeer Games | |
| 2283 | Liam Kammeyer | 48.92 | 10 | B Min | BB: 47.69 (+1.23s | 2.5%) | Greater Toledo Aquatic Club | 02/19/2026 | 2026 OH SOS SC Regional Championships | |
| 2284 | Jonathan Engle | 48.92 | 9 | B Min | BB: 47.69 (+1.23s | 2.5%) | Mission Valley YMCA | 10/03/2026 | 2026 SI CAST Pentathlon October 3 | |
| 2285 | Luca Fu | 48.92 | 9 | B Min | BB: 47.69 (+1.23s | 2.5%) | Lakeridge Swim Team | 09/11/2026 | Molly Lahlum Memorial Autumn Freeze | |
| 2286 | Joseph Michael | 48.92 | 9 | B Min | BB: 47.69 (+1.23s | 2.5%) | Seals Aquatics | 09/26/2026 | WANV CBA+ Endless Summer Meet 2026 | |
| 2287 | Saul Guevara | 48.92 | 9 | B Min | BB: 47.69 (+1.23s | 2.5%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 2288 | Parker Phinyowattanachip | 48.93 | 9 | B Min | BB: 47.69 (+1.24s | 2.5%) | Dolphin Club | 01/24/2026 | 2026 WAC Mike Willard Polar Plunge | |
| 2289 | Finn McJunkin | 48.93 | 10 | B Min | BB: 47.69 (+1.24s | 2.5%) | Swim Lake City Legends | 12/13/2025 | 2025 UTAH Winter Classic | |
| 2290 | Zakhar Breslavskyi | 48.93 | 10 | B Min | BB: 47.69 (+1.24s | 2.5%) | Boise YMCA Swim Team | 10/25/2025 | 2025 Spooktacular Swim Meet | |
| 2291 | Joshua Cheung | 48.93 | 8 | B Min | BB: 47.69 (+1.24s | 2.5%) | Dedham Health Hydra | 08/06/2026 | 2026 NE LA August SCY Invitational | |
| 2292 | Maximus Johnson | 48.93 | 9 | B Min | BB: 47.69 (+1.24s | 2.5%) | Bolles School Sharks | 09/13/2026 | 2026 September Splash | |
| 2293 | Hayden Schamber | 48.93 | 9 | B Min | BB: 47.69 (+1.24s | 2.5%) | Aces Swim Club | 10/16/2026 | 2026 CO MACS Fall Invitational | |
| 2294 | Owen Hayes | 48.93 | 10 | B Min | BB: 47.69 (+1.24s | 2.5%) | Hills Hurricane Swimming | 09/19/2026 | East Bay Silver Dolphins Short Course C B BB+ | |
| 2295 | Lucas Hu | 48.94 | 9 | B Min | BB: 47.69 (+1.25s | 2.6%) | Dragon Swim Team | 02/20/2026 | 2026 FXFX Forty Niner | |
| 2296 | Scott Li | 48.94 | 9 | B Min | BB: 47.69 (+1.25s | 2.6%) | Excel Aquatics | 10/10/2026 | Ensworth October Invite | |
| 2297 | Mivaan Sarafi | 48.94 | 9 | B Min | BB: 47.69 (+1.25s | 2.6%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 2298 | Elis Fishman | 48.95 | 9 | B Min | BB: 47.69 (+1.26s | 2.6%) | Badger Swim Club,Inc. | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 2299 | Ethan Shao | 48.95 | 7 | B Min | BB: 47.69 (+1.26s | 2.6%) | South Bay Aquatics | 10/03/2026 | 2026 SI CAST Pentathlon October 3 | |
| 2300 | Camdil Anyalebechi | 48.96 | 9 | B Min | BB: 47.69 (+1.27s | 2.6%) | Centreville Swim Club | 12/12/2025 | 2025 MAKO HOLIDAY INVITATIONAL | |
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.