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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2551 | Preston Kaiser | 42.01 | 10 | BB Min | A: 37.59 (+4.42s | 10.5%) | DC Dept Of Parks and Recreatio | 10/11/2025 | 2025 ASA October Kick Off | |
| 2552 | Daniel Cao | 42.02 | 9 | BB Min | A: 37.59 (+4.43s | 10.5%) | Upper Main Line YMCA | 12/11/2025 | 2025 East Coast WinterFest | |
| 2553 | Maxim Tedtoev | 42.02 | 9 | BB Min | A: 37.59 (+4.43s | 10.5%) | SwimRight Team | 10/10/2025 | 2025 Gulliver Fall Classic | |
| 2554 | Everett Kumar | 42.02 | 10 | BB Min | A: 37.59 (+4.43s | 10.5%) | Hillsborough Aquatic Club | 10/24/2025 | 2025 CAT Trick Or Treat Meet | |
| 2555 | Everett Lee | 42.02 | 10 | BB Min | A: 37.59 (+4.43s | 10.5%) | Blue Wave Swim Team PV | 01/17/2026 | 2026 PV January Open Audrey Moore | |
| 2556 | Ryan Sexstone | 42.02 | 10 | BB Min | A: 37.59 (+4.43s | 10.5%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 2557 | Garrett Legg | 42.02 | 8 | BB Min | A: 37.59 (+4.43s | 10.5%) | Pleasanton Seahawks | 02/20/2026 | Pacific Swim SCY C B BB+ Meet Hosted By TERA | |
| 2558 | Grayson Macnamara | 42.03 | 10 | BB Min | A: 37.59 (+4.44s | 10.6%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 2559 | Paxton Taylor | 42.03 | 9 | BB Min | A: 37.59 (+4.44s | 10.6%) | Royal Swimming | 10/04/2025 | 2025 LIFE ROYAL Fall Frenzy | |
| 2560 | William Gressett | 42.03 | 10 | BB Min | A: 37.59 (+4.44s | 10.6%) | Sunkist Swim Team | 11/07/2025 | 2025 SE BSL Cranberry Classic | |
| 2561 | Bode McCollum | 42.03 | 10 | BB Min | A: 37.59 (+4.44s | 10.6%) | Aces Swim Club | 02/14/2026 | 2026 CO ACES Winter Open | |
| 2562 | Nicholas Bergfield | 42.03 | 10 | BB Min | A: 37.59 (+4.44s | 10.6%) | Swim Streamline at Northampton | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 2563 | Charlie Spearin | 42.04 | 9 | BB Min | A: 37.59 (+4.45s | 10.6%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/13/2026 | 2026 Showdown In Motown | |
| 2564 | Zac Chang | 42.04 | 10 | BB Min | A: 37.59 (+4.45s | 10.6%) | Westchester Aquatic Club | 12/11/2025 | 35th Annual Winter Championships | |
| 2565 | Leo Ioffe | 42.04 | 10 | BB Min | A: 37.59 (+4.45s | 10.6%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 2566 | Augustus Howell | 42.05 | 10 | BB Min | A: 37.59 (+4.46s | 10.6%) | Sarasota Sharks | 11/07/2025 | 2025 SYS Turkey Meet | |
| 2567 | Conor Riley | 42.05 | 8 | BB Min | A: 37.59 (+4.46s | 10.6%) | Bayside Aquatics | 12/20/2025 | The Grinch Stole My Times (8 U) 2025 | |
| 2568 | Aaron Luswata | 42.05 | 10 | BB Min | A: 37.59 (+4.46s | 10.6%) | Cypress Fairbanks Swim Club | 02/21/2025 | MAC Hosted 2025 Gulf 12 Under Champs | |
| 2569 | Luca Totino | 42.05 | 10 | BB Min | A: 37.59 (+4.46s | 10.6%) | Sachem Swim Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 2570 | Arthur Fleischman | 42.06 | 10 | BB Min | A: 37.59 (+4.47s | 10.6%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 2571 | James Mayo | 42.06 | 10 | BB Min | A: 37.59 (+4.47s | 10.6%) | Gulf Coast Swim Team | 02/08/2025 | 2025 GCST WINTER INVITE | |
| 2572 | Moses Wang | 42.07 | 10 | BB Min | A: 37.59 (+4.48s | 10.6%) | Bainbridge Island Swim Club | 04/18/2026 | 2026 PN UPAC Mark Olson Classic Approved | |
| 2573 | Aaryan Indurkhya | 42.07 | 9 | BB Min | A: 37.59 (+4.48s | 10.6%) | Issaquah Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 2574 | James Coleman | 42.07 | 9 | BB Min | A: 37.59 (+4.48s | 10.6%) | Arlington Aquatic Club | 12/04/2025 | 2025 Sport Fair Winter Classic | |
| 2575 | Hiu Wong | 42.07 | 9 | BB Min | A: 37.59 (+4.48s | 10.6%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 2576 | Benjamin Thilking | 42.07 | 10 | BB Min | A: 37.59 (+4.48s | 10.6%) | Bedford Barracudas | 03/19/2026 | 2026 USRY Short Course Champs | |
| 2577 | John Huss | 42.08 | 7 | BB Min | A: 37.59 (+4.49s | 10.7%) | Asphalt Green Unified Aquatics | 01/17/2026 | 2026 MR AGUA MLK Invitational | |
| 2578 | Peyton Willey | 42.08 | 9 | BB Min | A: 37.59 (+4.49s | 10.7%) | Seahawk Aquatics | 11/07/2025 | 2025 CAC 5th Annual Zachary Spain Memorial Me | |
| 2579 | Bentley Elliott | 42.08 | 9 | BB Min | A: 37.59 (+4.49s | 10.7%) | Shock Wave | 11/21/2025 | 2025 Tiger Turkey Tumble | |
| 2580 | Hatcher Harrington | 42.08 | 10 | BB Min | A: 37.59 (+4.49s | 10.7%) | Ensworth Aquatics | 12/13/2025 | 2025 Marshmallow Mini | |
| 2581 | Maximus Prata | 42.08 | 10 | BB Min | A: 37.59 (+4.49s | 10.7%) | Kent County YMCA | 02/01/2026 | 2026 NE NCYW 36th Annual YMCA Pentathlon | |
| 2582 | Zhankun pan | 42.08 | 10 | BB Min | A: 37.59 (+4.49s | 10.7%) | Long Island Aquatic Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 2583 | Shay Jain | 42.08 | 9 | BB Min | A: 37.59 (+4.49s | 10.7%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 2584 | Braden Bird | 42.08 | 10 | BB Min | A: 37.59 (+4.49s | 10.7%) | Benton Harbor-St. Joseph YMCA | 03/07/2026 | 2026 Michigan YMCA State Championship | |
| 2585 | Jack Cook | 42.09 | 10 | BB Min | A: 37.59 (+4.50s | 10.7%) | Swim Kauai Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 2586 | Zihao Wu | 42.09 | 9 | BB Min | A: 37.59 (+4.50s | 10.7%) | YMCA of the Triangle Area Swim | 03/06/2026 | Jon Jolley GYSSA 2026 | |
| 2587 | Tristan Park | 42.10 | 8 | BB Min | A: 37.59 (+4.51s | 10.7%) | Auburn Aquatics | 02/20/2026 | 2026 SE Auburn Classic | |
| 2588 | Ezra Howell | 42.10 | 10 | BB Min | A: 37.59 (+4.51s | 10.7%) | Sun Valley 5 B | 10/25/2025 | Spook Splash 2025 | |
| 2589 | Adam Steponavicius | 42.10 | 10 | BB Min | A: 37.59 (+4.51s | 10.7%) | Elizabethton Typhoons Swim Clu | 10/25/2025 | 2025 BSC Pumpkin Patch Meet | |
| 2590 | Owen Saber | 42.10 | 9 | BB Min | A: 37.59 (+4.51s | 10.7%) | Jersey Wahoos | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 2591 | Benjamin Tovbin | 42.10 | 10 | BB Min | A: 37.59 (+4.51s | 10.7%) | Qns Aquatic Club | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | |
| 2592 | Bo Cunningham | 42.10 | 10 | BB Min | A: 37.59 (+4.51s | 10.7%) | North Jeffco Swim Team | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 2593 | Silas Allen | 42.10 | 10 | BB Min | A: 37.59 (+4.51s | 10.7%) | SwimRVA | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 2594 | Oleg Rassadin | 42.10 | 8 | BB Min | A: 37.59 (+4.51s | 10.7%) | Denver Swim Academy | 03/06/2026 | 2026 CO 14 U Silver State | |
| 2595 | Michael Ward | 42.11 | 10 | BB Min | A: 37.59 (+4.52s | 10.7%) | South Central Swimming | 03/07/2026 | 2026 Lake Superior Regional Meet | |
| 2596 | Zihan Zhang | 42.12 | 9 | BB Min | A: 37.59 (+4.53s | 10.8%) | Long Island Aquatic Club | 10/25/2025 | 2025 MR LIAC Chappy S Invitational | |
| 2597 | Adrito Daas | 42.12 | 10 | BB Min | A: 37.59 (+4.53s | 10.8%) | Tualatin Hills Swim Club | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 2598 | Aleksander Kasurkin | 42.12 | 10 | BB Min | A: 37.59 (+4.53s | 10.8%) | Obx Swim Club | 10/11/2025 | 2025 WAC Start Up Classic | |
| 2599 | Sebastia Campolieto-Morales | 42.12 | 10 | BB Min | A: 37.59 (+4.53s | 10.8%) | First Colony Swim Team, Inc. | 12/20/2024 | 2024 Gulf Fall Champs (ESCA AMBU) | |
| 2600 | Benjamin Higgs | 42.12 | 10 | BB Min | A: 37.59 (+4.53s | 10.8%) | Sporting Jax Aquatic Club | 12/04/2025 | RAFC Winter Classic | |
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.