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 | |
|---|---|---|---|---|---|---|---|---|---|
| 6551 | Christopher Rasmuson | 48.36 | 9 | B: 48.29 (+0.07s | 0.1%) | Bishop Swim Team | 08/01/2025 | 2025 High Country Short Course Championship | ||
| 6552 | Mason King | 48.36 | 9 | B: 48.29 (+0.07s | 0.1%) | First Colony Swim Team, Inc. | 11/08/2024 | Sharks November Invitational | ||
| 6553 | Arden Showalter | 48.36 | 10 | B: 48.29 (+0.07s | 0.1%) | Nitro Swimming | 11/03/2024 | 2024 ST TXLA 10 U November Unclassified | ||
| 6554 | Heriakos Nikodimos | 48.36 | 8 | B: 48.29 (+0.07s | 0.1%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | ||
| 6555 | Apollo Mott | 48.36 | 9 | B: 48.29 (+0.07s | 0.1%) | Cavalier Aquatics/Piedmont Fam | 02/27/2026 | 2026 SW District Champs 9 Over | ||
| 6556 | Graham Carr | 48.36 | 8 | B: 48.29 (+0.07s | 0.1%) | Marlins Of Raleigh | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | ||
| 6557 | Maxwell Maser | 48.36 | 9 | B: 48.29 (+0.07s | 0.1%) | Southwest Stars Swim Club | 02/28/2026 | 2026 Spring Area 2 Championships | ||
| 6558 | Beckham Lewis | 48.36 | 9 | B: 48.29 (+0.07s | 0.1%) | Caldwell Swim Club | 12/20/2025 | 2025 BY Candy Cane Invitational | ||
| 6559 | Samuel Harasyn | 48.37 | 10 | B: 48.29 (+0.08s | 0.2%) | Metro Marlins Swim Team | 02/27/2026 | 2026 MN STRM Minnesota Regional Championship | ||
| 6560 | Parker Lauhoff | 48.37 | 9 | B: 48.29 (+0.08s | 0.2%) | South Lyon Aquatics | 02/27/2026 | 2026 Junior Cup | ||
| 6561 | Parker Imhoff | 48.37 | 10 | B: 48.29 (+0.08s | 0.2%) | Lakewood Ranch Swim Associatio | 10/18/2024 | 2024 Halloween Meet | ||
| 6562 | Logan Devine | 48.38 | 10 | B: 48.29 (+0.09s | 0.2%) | Willmar Aquatic Racing Stingra | 02/27/2026 | 2026 MN STRM Minnesota Regional Championship | ||
| 6563 | Finnegan Merkel | 48.38 | 9 | B: 48.29 (+0.09s | 0.2%) | Grosse Pointe Gators | 12/06/2025 | 2025 26 Super Fast And Furious Prelim Final | ||
| 6564 | Ishaan Aruru | 48.38 | 10 | B: 48.29 (+0.09s | 0.2%) | Blue Dolfins | 10/25/2025 | 2025 Halloween Spooktacular | ||
| 6565 | Luke Groves | 48.38 | 9 | B: 48.29 (+0.09s | 0.2%) | Nation\\\\\\'s Capital Swim Club | 11/14/2025 | 2025 PV November Open Franconia | ||
| 6566 | Sanjay Hooda | 48.38 | 10 | B: 48.29 (+0.09s | 0.2%) | Rapids Area YMCA | 10/31/2025 | 2025 Holland Fall Invite | ||
| 6567 | Aaron Upchurch | 48.38 | 9 | B: 48.29 (+0.09s | 0.2%) | Hampton Virginia Current | 03/21/2026 | HVAC Spring Intra Squad Meet | ||
| 6568 | Nico Hess | 48.38 | 8 | B: 48.29 (+0.09s | 0.2%) | Circle C Select Swim Team | 01/31/2026 | 2026 WOW Big Freeze Frenzy Meet | ||
| 6569 | Agaradan Sathyaprakash | 48.38 | 8 | B: 48.29 (+0.09s | 0.2%) | Stingray Swim Team | 03/07/2025 | 2025 BBST Seize The Day Invitational | ||
| 6570 | Andrew Lyuts | 48.38 | 9 | B: 48.29 (+0.09s | 0.2%) | The Woodlands Swim Team | 10/25/2024 | 2024 TWST Halloween Meet | ||
| 6571 | Bennett Calliham | 48.38 | 8 | B: 48.29 (+0.09s | 0.2%) | Loveland Swim Club | 02/13/2026 | 2026 CO Loveland Last Chance Sweetheart Meet | ||
| 6572 | Loyal Goff | 48.38 | 10 | B: 48.29 (+0.09s | 0.2%) | Columbia Aquatics Association | 01/03/2026 | 2026 ASTS Invitational | ||
| 6573 | Aanav Parekh | 48.38 | 9 | B: 48.29 (+0.09s | 0.2%) | Phoenix Swimming | 02/16/2026 | 2026 NE SSC Presidents Day Meet | ||
| 6574 | Daniel Zhovtobriukh | 48.38 | 10 | B: 48.29 (+0.09s | 0.2%) | Wave Aquatics | 02/27/2026 | 2026 PN February AGI, Division 2 Approved | ||
| 6575 | Leonardo Peinado | 48.39 | 10 | B: 48.29 (+0.10s | 0.2%) | Rattlers Swim Club | 12/19/2025 | 2025 BD Leo Cancellare Memorial Swim Meet | ||
| 6576 | Everett Carney | 48.39 | 10 | B: 48.29 (+0.10s | 0.2%) | Smac | 09/20/2025 | 2025 Friendly City Kickoff | ||
| 6577 | Landon Christopher | 48.39 | 8 | B: 48.29 (+0.10s | 0.2%) | Lakeland Country Club | 06/21/2025 | 2025 Riptide Aquatics Summer Open | ||
| 6578 | Aaron Chen | 48.40 | 9 | B: 48.29 (+0.11s | 0.2%) | SwimMAC Carolina | 01/02/2026 | 2026 SwimMAC IMX Winter Invite Copied | ||
| 6579 | Oliver Huang | 48.40 | 9 | B: 48.29 (+0.11s | 0.2%) | Long Island Aquatic Club | 01/10/2026 | 2026 MR FA Iron Dragon Invitational | ||
| 6580 | Albert Shifrin | 48.40 | 9 | B: 48.29 (+0.11s | 0.2%) | Mjcc Stingrays | 01/10/2026 | 2026 SCAT B C Open | ||
| 6581 | Ian Webster | 48.40 | 10 | B: 48.29 (+0.11s | 0.2%) | Columbia River Swim Team | 01/03/2025 | 2025 CST Shark Chase Invitational | ||
| 6582 | Louis Liu | 48.40 | 8 | B: 48.29 (+0.11s | 0.2%) | H2okie Aquatics | 11/07/2025 | 2025 HOKI November Invitational Copied | ||
| 6583 | Liam Shamaev | 48.40 | 10 | B: 48.29 (+0.11s | 0.2%) | Mission Aurora Colorado Swimmi | 03/13/2026 | Mile High Championship Invitational | ||
| 6584 | Ezekiel Wilson | 48.40 | 10 | B: 48.29 (+0.11s | 0.2%) | Houston Bridge Bats | 12/20/2024 | 2024 Gulf Fall Champs (SHRK) | ||
| 6585 | Robert Maher | 48.40 | 10 | B: 48.29 (+0.11s | 0.2%) | Patuxent Aquatics Club | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | ||
| 6586 | Daniel Scott | 48.40 | 8 | B: 48.29 (+0.11s | 0.2%) | Karishim Swim Club | 01/30/2026 | 2026 NE GS Silver Championships | ||
| 6587 | William Clark | 48.40 | 9 | B: 48.29 (+0.11s | 0.2%) | Hilltop Aquatic Swim Team | 10/30/2025 | 2025 OA IMR 1 | ||
| 6588 | Kade Sisson | 48.40 | 9 | B: 48.29 (+0.11s | 0.2%) | Northern Colorado Swim Club | 12/12/2025 | 2025 CO FAST Bill Spahn Mid Season Finale | ||
| 6589 | Mack Maynard | 48.40 | 9 | B: 48.29 (+0.11s | 0.2%) | Swimchester Sailfish | 12/05/2025 | 2025 Holiday Classic | ||
| 6590 | Matthew Varga | 48.40 | 8 | B: 48.29 (+0.11s | 0.2%) | The Capitol Sea Devils | 01/24/2026 | 2026 SDS Polar Bear Invitational | ||
| 6591 | Niyol Scall | 48.40 | 8 | B: 48.29 (+0.11s | 0.2%) | FireFish Swim Team | 01/30/2026 | 2026 NE CS Silver Championships | ||
| 6592 | Henry Hu | 48.41 | 9 | B: 48.29 (+0.12s | 0.2%) | Gator Swim Club | 01/30/2026 | 2026 FAST February Helping Hands Invite | ||
| 6593 | Gideon Meyer | 48.41 | 9 | B: 48.29 (+0.12s | 0.2%) | Mason Manta Rays | 02/19/2026 | 2026 OH RAYS SC Regional Championships | ||
| 6594 | Felipe Costa | 48.41 | 10 | B: 48.29 (+0.12s | 0.2%) | Unattached | 01/17/2026 | 2026 GOAT TYR Team Challenge And SYOA | ||
| 6595 | Calvin Dell | 48.42 | 9 | B: 48.29 (+0.13s | 0.3%) | San Benito Aquatics | 03/28/2026 | Swim South Bay | ||
| 6596 | Ryan Du | 48.42 | 9 | B: 48.29 (+0.13s | 0.3%) | First Colony Swim Team, Inc. | 01/19/2025 | 2025 FCST January Developmental Meet | ||
| 6597 | Dylan Zhang | 48.42 | 10 | B: 48.29 (+0.13s | 0.3%) | Life Time Swim Team - Central | 03/28/2026 | 2026 ST SGA Spring Fling Meet | ||
| 6598 | Hunter Nguyen | 48.42 | 8 | B: 48.29 (+0.13s | 0.3%) | Power for Life | 02/21/2025 | 2025 Gulf 12 Under Champs (KATY) | ||
| 6599 | Greyson Mullins | 48.43 | 8 | B: 48.29 (+0.14s | 0.3%) | Huntsville Swim Association | 10/17/2025 | 2025 HSA Fran Norris Meet | ||
| 6600 | Devin Gao | 48.43 | 10 | B: 48.29 (+0.14s | 0.3%) | Tide Swimming | 11/01/2025 | ODAC Rising Stars Meet #2 | ||
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.