USA Boys 10 & under - 50 Y Back
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 5251 | Nicholas Tian | 47.53 | 9 | B Min | BB: 42.89 (+4.64s | 9.8%) | Santa Clara Swim Club | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 5252 | Vincent Paavola | 47.53 | 8 | B Min | BB: 42.89 (+4.64s | 9.8%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 5253 | Ezekiel Valencia | 47.53 | 10 | B Min | BB: 42.89 (+4.64s | 9.8%) | La Junta Tigersharks | 07/31/2026 | 2026 CO Scottie Aschermann Memorial | |
| 5254 | Owen Wilson | 47.53 | 9 | B Min | BB: 42.89 (+4.64s | 9.8%) | Blue Dolfins | 10/10/2026 | TCSC Fall Invitational | |
| 5255 | Lucas Boss | 47.53 | 10 | B Min | BB: 42.89 (+4.64s | 9.8%) | North East Aquatic Team | 10/24/2026 | 2026 ST NIST Spooky Splash | |
| 5256 | Lucas San Valentin | 47.54 | 8 | B Min | BB: 42.89 (+4.65s | 9.8%) | The Woodlands Swim Team | 02/21/2025 | MAC Hosted 2025 Gulf 12 Under Champs | |
| 5257 | Jackson Mashmann | 47.54 | 9 | B Min | BB: 42.89 (+4.65s | 9.8%) | Raleigh Swimming Association | 07/25/2026 | 2026 RSA Flip Flop | |
| 5258 | Barron Vellonen | 47.54 | 10 | B Min | BB: 42.89 (+4.65s | 9.8%) | Monterey Bay Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 5259 | Yuvan Immaneni | 47.55 | 9 | B Min | BB: 42.89 (+4.66s | 9.8%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 5260 | Maddox Haynes | 47.55 | 8 | B Min | BB: 42.89 (+4.66s | 9.8%) | Carrollton Bluefins | 01/17/2026 | 2026 GOAT TYR Team Challenge And SYOA | |
| 5261 | Aiden Zhang | 47.55 | 9 | B Min | BB: 42.89 (+4.66s | 9.8%) | Olympic Cascade Aquatics | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 5262 | Ezekiel Rawls | 47.55 | 8 | B Min | BB: 42.89 (+4.66s | 9.8%) | McCallie-GPS Aquatics | 10/17/2026 | 2026 MCC October Invite Copied | |
| 5263 | Theodore Hazle | 47.56 | 8 | B Min | BB: 42.89 (+4.67s | 9.8%) | Egra Waves | 11/15/2025 | 2025 GR Gales Of November Open Invitational | |
| 5264 | James Munn | 47.56 | 10 | B Min | BB: 42.89 (+4.67s | 9.8%) | The Woodlands Swim Team | 10/25/2024 | 2024 TWST Halloween Meet | |
| 5265 | Christian Mexal | 47.56 | 9 | B Min | BB: 42.89 (+4.67s | 9.8%) | Quest Swimming | 09/19/2025 | Quest Swimming Kickoff Intrasquad | |
| 5266 | Max Moesker | 47.56 | 10 | B Min | BB: 42.89 (+4.67s | 9.8%) | VillaSport Swim Team | 10/11/2024 | PACK Pretty In Pink Invitational Meet 2024 | |
| 5267 | Banks Kennedy | 47.56 | 10 | B Min | BB: 42.89 (+4.67s | 9.8%) | Twin Rivers YMCA | 11/22/2025 | GOLD Gobbler 2025 | |
| 5268 | Edison de Silva | 47.56 | 10 | B Min | BB: 42.89 (+4.67s | 9.8%) | Swim Tampa Aquatics | 05/02/2026 | 2026 Berkeley May Day | |
| 5269 | Lincoln Weaver | 47.56 | 10 | B Min | BB: 42.89 (+4.67s | 9.8%) | Catawba Valley Aquatic Club | 01/10/2026 | ATOM Frosty Invitational 2026 | |
| 5270 | Michael Roberts | 47.56 | 10 | B Min | BB: 42.89 (+4.67s | 9.8%) | Florida West Coast Aquatics | 09/18/2026 | Kiefer Speedo Fall Invitational | |
| 5271 | Shayne Zhang | 47.56 | 9 | B Min | BB: 42.89 (+4.67s | 9.8%) | Samena Club Swim Team | 09/26/2026 | 2026 PN SAM Samena Mish Meet Approved | |
| 5272 | Oscar Patton | 47.57 | 9 | B Min | BB: 42.89 (+4.68s | 9.8%) | Dakota Riptide | 01/24/2025 | SFST SD 2025 January Invite | |
| 5273 | Thatcher Pearson | 47.57 | 10 | B Min | BB: 42.89 (+4.68s | 9.8%) | Danvers YMCA Dolfins | 01/10/2026 | 2026 NE YNS YMCA Eastern MA Districts | |
| 5274 | Nandan Basaveni | 47.57 | 9 | B Min | BB: 42.89 (+4.68s | 9.8%) | Raleigh Swimming Association | 07/25/2026 | 2026 RSA Flip Flop | |
| 5275 | Lucas Yuan | 47.57 | 7 | B Min | BB: 42.89 (+4.68s | 9.8%) | Mei\\\\\\'s Typhoons Swimming Club | 06/07/2026 | 2026 NE NSSC June Invitational At BC High | |
| 5276 | Lucas Heine | 47.57 | 9 | B Min | BB: 42.89 (+4.68s | 9.8%) | Foxjets Swim Team | 02/13/2026 | 2026 MN RSC President S Day Meet | |
| 5277 | Campbell Samuel | 47.57 | 10 | B Min | BB: 42.89 (+4.68s | 9.8%) | Legacy Aquatics | 10/10/2026 | LA Fall Kick Off 2026 | |
| 5278 | Stephen Lee | 47.57 | 8 | B Min | BB: 42.89 (+4.68s | 9.8%) | Chinook Aquatic Club | 09/26/2026 | 2026 PN UPAC Fall Open Approved | |
| 5279 | Barrett Sturgill | 47.58 | 9 | B Min | BB: 42.89 (+4.69s | 9.9%) | YMCA of Virginia\\\\\\'s Blue Ridge | 10/18/2025 | LY 2025 YMCA October Meet | |
| 5280 | Jian Kim | 47.58 | 9 | B Min | BB: 42.89 (+4.69s | 9.9%) | Madison Swimming Association | 01/30/2026 | MSA Ray Fogg Memorial Meet 2026 | |
| 5281 | Paxton Winheim | 47.58 | 6 | B Min | BB: 42.89 (+4.69s | 9.9%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 5282 | Kirk Li | 47.58 | 8 | B Min | BB: 42.89 (+4.69s | 9.9%) | Pacific Dragons Swim Team | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 5283 | Travis Flannagan | 47.58 | 10 | B Min | BB: 42.89 (+4.69s | 9.9%) | Planet Swim Aquatics | 10/10/2026 | 2026 PSA Halloween Invitational | |
| 5284 | Luke Ponessa | 47.59 | 10 | B: 38.49 (+9.10s | 19.1%) | Old Dominion Aquatic Club | 01/10/2026 | ODAC January 2026 Rising Stars Meet | ||
| 5285 | Ronan McCleland | 47.59 | 8 | B Min | BB: 42.89 (+4.70s | 9.9%) | Old Dominion Aquatic Club | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 5286 | Nathan Smolyar | 47.59 | 10 | B Min | BB: 42.89 (+4.70s | 9.9%) | Nation\\\\\\'s Capital Swim Club | 01/17/2026 | PVS January Open 2026 Fairland | |
| 5287 | Adam Ratki | 47.59 | 9 | B Min | BB: 42.89 (+4.70s | 9.9%) | Empire Swimming | 01/23/2026 | 2026 MR PAC Winter Classic Invitational | |
| 5288 | Ramzan Maxutbek | 47.59 | 10 | B Min | BB: 42.89 (+4.70s | 9.9%) | Swim Tampa Aquatics | 09/06/2024 | 2024 KAH20 Coach Kelley Allen Memoria Meetl | |
| 5289 | Ethan Riley | 47.59 | 9 | B Min | BB: 42.89 (+4.70s | 9.9%) | Waves Of Wilmington Inc | 04/17/2026 | 2026 Spring Showers NSEA V WOW Dual Meet | |
| 5290 | Ryan McGarry | 47.59 | 8 | B Min | BB: 42.89 (+4.70s | 9.9%) | SwimMAC Carolina | 03/07/2026 | 2026 SwimMAC BC Championship | |
| 5291 | Finn Martin | 47.59 | 9 | B Min | BB: 42.89 (+4.70s | 9.9%) | North Coast Aquatics | 10/17/2026 | 2026 SI RSD All Ages NTS Meet | |
| 5292 | William Wang | 47.59 | 9 | B Min | BB: 42.89 (+4.70s | 9.9%) | Charlotte County Swimming | 10/17/2026 | 2026 SPEEDO OCROBERFEST Swim Meet | |
| 5293 | Ryan Li | 47.59 | 9 | B Min | BB: 42.89 (+4.70s | 9.9%) | Seattle Metropolitan Aquatic C | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 5294 | Thomas Bangert | 47.60 | 9 | B Min | BB: 42.89 (+4.71s | 9.9%) | All Star Aquatics | 03/20/2026 | March Madness 2026 | |
| 5295 | Jack Olsen | 47.60 | 10 | B Min | BB: 42.89 (+4.71s | 9.9%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 01/16/2026 | 2026 Odd Age Classic | |
| 5296 | Wyatt Hellickson | 47.60 | 10 | B Min | BB: 42.89 (+4.71s | 9.9%) | Life Time Oregon Swim Team | 03/14/2026 | 2026 John Haring Memorial BC Showdown | |
| 5297 | Danilo Devilliers | 47.60 | 8 | B Min | BB: 42.89 (+4.71s | 9.9%) | T2 Aquatics | 10/16/2026 | 2026 T2 Spooktacular | |
| 5298 | Hopkin John | 47.60 | 10 | B Min | BB: 42.89 (+4.71s | 9.9%) | North Jeffco Swim Team | 10/16/2026 | 2026 CO MACS Fall Invitational | |
| 5299 | Caiden King | 47.61 | 9 | B Min | BB: 42.89 (+4.72s | 9.9%) | Hampton Virginia Current | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 5300 | Alexander Jewison | 47.61 | 7 | B Min | BB: 42.89 (+4.72s | 9.9%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
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.