USA Boys 10 & under - 50 Y Free
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 9601 | Sean Park | 43.66 | 8 | B: 38.19 (+5.47s | 12.5%) | Utica Shelby Swim Club | 02/27/2026 | 2026 Junior Cup | ||
| 9602 | Peter Huang | 43.66 | 10 | B: 38.19 (+5.47s | 12.5%) | DC Dept Of Parks and Recreatio | 10/11/2025 | 2025 ASA October Kick Off | ||
| 9603 | Luke Nieto | 43.66 | 9 | B: 38.19 (+5.47s | 12.5%) | Greater Pensacola Aquatic Club | 02/13/2026 | 2026 SES Region 4 Championships | ||
| 9604 | Richard O'Brien | 43.66 | 10 | B: 38.19 (+5.47s | 12.5%) | North Kent Aquatic Team | 11/23/2025 | 2025 NKAT Fall Frenzy Day After Meet | ||
| 9605 | Cal Willey | 43.66 | 10 | B: 38.19 (+5.47s | 12.5%) | Humboldt Swim Club | 09/27/2024 | Neptune Swimming Fall Classic | ||
| 9606 | Mitchell Tankersley | 43.66 | 10 | B: 38.19 (+5.47s | 12.5%) | Medina Valley Swim Club | 12/20/2025 | 2025 ST SASA Tis The Season | ||
| 9607 | Emanuel Ungureanu | 43.66 | 9 | B: 38.19 (+5.47s | 12.5%) | Puget Sound Swim Club | 01/31/2026 | 2026 PN BISC Bluefin Invitational | ||
| 9608 | Andersen Keel | 43.66 | 9 | B: 38.19 (+5.47s | 12.5%) | Utah Valley Aquatics | 12/29/2025 | 60th Holiday Open 2025 C Meet | ||
| 9609 | Benjamin Cheng | 43.66 | 8 | B: 38.19 (+5.47s | 12.5%) | San Ramon Valley Aquatics | 03/28/2026 | Albany Armada Aquatics SC C B BB+ | ||
| 9610 | Knox Turnipseed | 43.67 | 9 | B: 38.19 (+5.48s | 12.5%) | Streamline Aquatics | 12/20/2025 | 2025 ST SASA Tis The Season | ||
| 9611 | Lucas Barnett-Vinnychenko | 43.67 | 10 | B: 38.19 (+5.48s | 12.5%) | Prince William Swim Club | 01/17/2026 | 2026 Duck Bowl | ||
| 9612 | Caleb Krug | 43.67 | 9 | B: 38.19 (+5.48s | 12.5%) | Northern Lakes Aquatic Club | 03/29/2025 | 2025 MN MYAS Midwest Regional Swim Meet | ||
| 9613 | Isaac Goulter | 43.67 | 9 | B: 38.19 (+5.48s | 12.5%) | T2 Aquatics | 09/20/2025 | 2025 GCST FALL INVITE | ||
| 9614 | Samuel Troup | 43.67 | 10 | B: 38.19 (+5.48s | 12.5%) | Hanover Aquatics | 01/17/2026 | 2026 Duck Bowl | ||
| 9615 | Owen Choi | 43.67 | 10 | B: 38.19 (+5.48s | 12.5%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | ||
| 9616 | Hunter Linne | 43.68 | 9 | B: 38.19 (+5.49s | 12.6%) | Pointe Aquatics | 10/11/2025 | 2025 PA OLY DROP Tri Meet | ||
| 9617 | Henry De Vry | 43.68 | 9 | B: 38.19 (+5.49s | 12.6%) | Superior Aquatics | 01/10/2026 | 2026 SCAT B C Open | ||
| 9618 | Cooper White | 43.68 | 6 | B: 38.19 (+5.49s | 12.6%) | Williamsburg Aquatic Club | 02/07/2026 | 2026 8 And Under Southeastern District Champs | ||
| 9619 | Caelan Hoogendyk | 43.68 | 10 | B: 38.19 (+5.49s | 12.6%) | SwimTLC-Parker Phenomena Swim | 01/09/2026 | 2026 CO NJ Narwhal Invitational | ||
| 9620 | Luke Odom | 43.68 | 9 | B: 38.19 (+5.49s | 12.6%) | Mecklenburg Swim Association | 03/07/2026 | 2026 MSA March Madness Invitational | ||
| 9621 | Max Gu | 43.68 | 8 | B: 38.19 (+5.49s | 12.6%) | Nitro Swimming | 10/26/2025 | 2025 ST TXLA 10 U Fall Kick Off | ||
| 9622 | Arthur Way-Stacey | 43.68 | 8 | B: 38.19 (+5.49s | 12.6%) | Rapids Area YMCA | 03/07/2026 | 2026 Michigan YMCA State Championship | ||
| 9623 | Jesus Perez | 43.68 | 7 | B: 38.19 (+5.49s | 12.6%) | Treasure Coast Swimming | 12/13/2025 | Harry Meisel Championships East Copied | ||
| 9624 | Korbin Swiss | 43.68 | 7 | B: 38.19 (+5.49s | 12.6%) | Rudyard Piranhas | 02/15/2026 | 2026 MTSL Championship | ||
| 9625 | Matthew Tenorio | 43.69 | 8 | B: 38.19 (+5.50s | 12.6%) | Hickam Hurricanes | 10/19/2025 | Aulea Fall Frenzy Meet | ||
| 9626 | Parker Kupcik | 43.69 | 10 | B: 38.19 (+5.50s | 12.6%) | Piranhas YMCA of the Suncoast | 11/21/2025 | SPA PYP NOVEMBER 2025 | ||
| 9627 | Wyatt Boots | 43.69 | 10 | B: 38.19 (+5.50s | 12.6%) | St Johns Sea Lions | 02/15/2026 | 2026 MTSL Championship | ||
| 9628 | Christian Scott | 43.69 | 8 | B: 38.19 (+5.50s | 12.6%) | Fast Swim Team/ School | 03/07/2026 | 2026 Blarneystone Blast | ||
| 9629 | Rian Gupta | 43.69 | 9 | B: 38.19 (+5.50s | 12.6%) | The St. James Swim Club | 12/04/2025 | 2025 Sport Fair Winter Classic | ||
| 9630 | Dayran Blanco Guevara | 43.69 | 9 | B: 38.19 (+5.50s | 12.6%) | Swim Tampa Aquatics | 02/20/2026 | Bay Area Spring Championships | ||
| 9631 | Leo Wang | 43.70 | 10 | B: 38.19 (+5.51s | 12.6%) | YMCA of Snohomish County Barra | 01/24/2026 | 2026 WA State Y Championship Meet | ||
| 9632 | Crew Trenerowski | 43.70 | 8 | B: 38.19 (+5.51s | 12.6%) | YMCA of Northwest North Caroli | 11/15/2025 | 2025 John Dewey Invitational | ||
| 9633 | Westley Butler | 43.70 | 10 | B: 38.19 (+5.51s | 12.6%) | Greater Omaha Aquatics Leopard | 02/20/2026 | 2026 MW Midwestern Age Group Short Course | ||
| 9634 | Cy Boughner | 43.70 | 9 | B: 38.19 (+5.51s | 12.6%) | North Medford | 02/13/2026 | 2026 OR HS 6A 7 | ||
| 9635 | Luke D'Souza | 43.70 | 9 | B: 38.19 (+5.51s | 12.6%) | Bay Club Panthers | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | ||
| 9636 | Theodore Kunzi | 43.70 | 7 | B: 38.19 (+5.51s | 12.6%) | Swim Melbourne | 10/11/2025 | TCSC Fall Invitational | ||
| 9637 | Haiden Baker | 43.70 | 10 | B: 38.19 (+5.51s | 12.6%) | St Johns Sea Lions | 02/15/2026 | 2026 MTSL Championship | ||
| 9638 | Raul Solorzano | 43.70 | 7 | B: 38.19 (+5.51s | 12.6%) | Suburban Aquatics | 10/25/2025 | 2025 PAC 10 Under RockHopper Penguin Meet | ||
| 9639 | Elias Winter | 43.70 | 9 | B: 38.19 (+5.51s | 12.6%) | YMCA of the Triangle Area Swim | 09/28/2025 | 2025 YOTA Intrasquad Meet | ||
| 9640 | Gabriel Malm | 43.71 | 9 | B: 38.19 (+5.52s | 12.6%) | Hauppauge Swimming | 01/23/2026 | 2026 MR HAUP Snowmageddon Splash | ||
| 9641 | Radin Yazdan | 43.71 | 10 | B: 38.19 (+5.52s | 12.6%) | Tualatin Hills Swim Club | 10/10/2025 | 2025 October FNT | ||
| 9642 | Henry Anderson-Katzir | 43.71 | 9 | B: 38.19 (+5.52s | 12.6%) | Bed-stuy Piranhas YMCA | 03/27/2026 | 2026 MR Bronze Championships Central KBM | ||
| 9643 | Michael O'Neil | 43.71 | 10 | B: 38.19 (+5.52s | 12.6%) | Highlands Ranch Aquatics | 10/11/2024 | 2024 CO PPA Harvest Heats | ||
| 9644 | Aaden Yu | 43.71 | 8 | B: 38.19 (+5.52s | 12.6%) | Charles River Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | ||
| 9645 | Ryan Casillo | 43.72 | 9 | B: 38.19 (+5.53s | 12.6%) | Annapolis Swim Club | 09/26/2025 | RAC First Splash 2025 | ||
| 9646 | Ethan Cobb | 43.72 | 10 | B: 38.19 (+5.53s | 12.6%) | Carpet Capital Aquatics Club | 09/20/2025 | 2025 Fall Kickoff Classic Meet Copied | ||
| 9647 | Gavin Yung | 43.72 | 8 | B: 38.19 (+5.53s | 12.6%) | Qns Aquatic Club | 02/28/2026 | 2026 MR TVSC St Patrick S Day 8 Under Meet | ||
| 9648 | Owen Richards | 43.72 | 10 | B: 38.19 (+5.53s | 12.6%) | Pierre Swim Team | 02/13/2026 | 2026 SD Short Course Rising Stars | ||
| 9649 | Austin Pena | 43.72 | 10 | B: 38.19 (+5.53s | 12.6%) | Condors Swim Club | 12/05/2025 | 2025 MR BGNW December 14 Under Invitational | ||
| 9650 | Michael Harris | 43.72 | 10 | B: 38.19 (+5.53s | 12.6%) | Blue Wave Swimming | 11/07/2025 | 2025 STA TEAM Veterans Day Open Copied Co | ||
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.