USA Boys 11-12 - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 601 | Winston Swaffin-Smith | 38.78 | 12 | BB Min | A: 37.69 (+1.09s | 2.8%) | Unattached | 04/19/2025 | Alto Spring Jam Meet | |
| 602 | Corban Sutphin | 38.78 | 12 | BB Min | A: 37.69 (+1.09s | 2.8%) | Unattached | 07/30/2025 | 2025 FL Southern Zone Age Group Championship | |
| 603 | Stephano Villalobos | 38.79 | 11 | BB Min | A: 37.69 (+1.10s | 2.8%) | Florida Atlantic Aquatics | 06/07/2025 | 2025 TCA Aaron Vaughn Memorial | |
| 604 | Harrington Morgan | 38.79 | 10 | BB Min | A: 37.69 (+1.10s | 2.8%) | Pacific Swim | 06/13/2024 | 2024 CA SCS NOVA June Age Group Invite | |
| 605 | Wilson Wegley | 38.79 | 10 | BB Min | A: 37.69 (+1.10s | 2.8%) | Lakeside Aquatic Club | 07/16/2025 | 2025 Texas Age Group Championships | |
| 606 | Feifan Gong | 38.79 | 10 | BB Min | A: 37.69 (+1.10s | 2.8%) | Bellevue Club Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 607 | Roger Madilao | 38.80 | 11 | BB Min | A: 37.69 (+1.11s | 2.9%) | Quicksilver Swimming | 07/11/2025 | 2025 Age Group Championships | |
| 608 | Max Sun | 38.80 | 11 | BB Min | A: 37.69 (+1.11s | 2.9%) | Wave Aquatics | 05/02/2025 | 2025 PN BC May Flowers | |
| 609 | Nolan Mitchell | 38.80 | 12 | BB Min | A: 37.69 (+1.11s | 2.9%) | Rochester Swim Club | 07/18/2025 | 2025 MN MTKA Minnesota Regional Championship | |
| 610 | Haoxuan Feng | 38.80 | 11 | BB Min | A: 37.69 (+1.11s | 2.9%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 611 | Ryan Colligan | 38.80 | 10 | BB Min | A: 37.69 (+1.11s | 2.9%) | Swim Team of Placentia | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 612 | Haoxuan Feng | 38.80 | 11 | BB Min | A: 37.69 (+1.11s | 2.9%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 613 | Lincoln Hatlelid | 38.81 | 12 | BB Min | A: 37.69 (+1.12s | 2.9%) | Piranhas YMCA of the Suncoast | 06/20/2025 | 2025 FAST Independence Invitational | |
| 614 | Nash Yarosz | 38.81 | 12 | BB Min | A: 37.69 (+1.12s | 2.9%) | Arizona Swimming | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 615 | Andrew Kyle | 38.82 | 11 | BB Min | A: 37.69 (+1.13s | 2.9%) | Nitro Swimming | 05/11/2025 | 2025 ST NTRO LC Springing Into May | |
| 616 | Smith Fisher | 38.82 | 12 | BB Min | A: 37.69 (+1.13s | 2.9%) | Bend Swim Club | 07/24/2025 | 2025 OSI Arena 11 O LC Championships | |
| 617 | Sloan Kropelnicki | 38.82 | 12 | BB Min | A: 37.69 (+1.13s | 2.9%) | Hurricanes Swim Team | 05/29/2025 | 2025 MN WOLF HUFF N PUFF INVITE | |
| 618 | Michael Maynard | 38.83 | 11 | BB Min | A: 37.69 (+1.14s | 2.9%) | South East Metro Sharks | 07/18/2025 | 2025 MN STRM Minnesota Regional Championship | |
| 619 | Giuseppe Marullo | 38.83 | 10 | BB Min | A: 37.69 (+1.14s | 2.9%) | South Lake Aquatic Club | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 620 | Andrew Carpenter | 38.83 | 10 | BB Min | A: 37.69 (+1.14s | 2.9%) | Lynchburg Aquatic Club | 06/21/2024 | 28th Annual SMAC Summer Classic | |
| 621 | Liam Ayers | 38.83 | 12 | BB Min | A: 37.69 (+1.14s | 2.9%) | Pikes Peak Athletics | 06/20/2025 | 2025 Falfins Long Course Open | |
| 622 | Sohum Karnik | 38.83 | 10 | BB Min | A: 37.69 (+1.14s | 2.9%) | Pro Swimming | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 623 | Nathan Stoffregen | 38.84 | 12 | BB Min | A: 37.69 (+1.15s | 3.0%) | Lewis Clark Neptune Swim Team | 01/16/2026 | 2026 Hells Canyon Invitational | |
| 624 | Jayden Lee | 38.87 | 12 | BB Min | A: 37.69 (+1.18s | 3.0%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 625 | George Chen | 38.87 | 10 | BB Min | A: 37.69 (+1.18s | 3.0%) | Katy Aquatic Team For Youth | 07/16/2025 | 2025 Texas Age Group Championships | |
| 626 | Mason Patterson | 38.87 | 11 | BB Min | A: 37.69 (+1.18s | 3.0%) | Lynchburg Aquatic Club | 07/12/2024 | 2024 CCA Summer Awards | |
| 627 | Theodor Philipsen | 38.87 | 11 | BB Min | A: 37.69 (+1.18s | 3.0%) | Colorado Blue | 06/13/2025 | 2025 CO CSI Long Course Open | |
| 628 | Frank Jedzejec | 38.87 | 12 | BB Min | A: 37.69 (+1.18s | 3.0%) | Tampa Bay Aquatic Club | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 629 | Jack Stallinger | 38.88 | 12 | BB Min | A: 37.69 (+1.19s | 3.1%) | North Coast Aquatics | 04/25/2025 | 2025 SI Pacific Swim A BB LCM Group A | |
| 630 | Grayson Swanson | 38.89 | 11 | BB Min | A: 37.69 (+1.20s | 3.1%) | Pleasanton Seahawks | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 631 | Joshua Rhee | 38.89 | 12 | BB Min | A: 37.69 (+1.20s | 3.1%) | Maywood Sparks Swim Team | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 632 | Lucas Yang | 38.89 | 11 | BB Min | A: 37.69 (+1.20s | 3.1%) | Nitro Swimming | 06/27/2025 | 2025 ST HPAC Long Course STX Championship | |
| 633 | Max Bacon | 38.89 | 12 | BB Min | A: 37.69 (+1.20s | 3.1%) | Legacy Aquatics | 07/24/2025 | 2025 OSI Arena 11 O LC Championships | |
| 634 | Jiarui Fu | 38.89 | 10 | BB Min | A: 37.69 (+1.20s | 3.1%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 635 | Sebastian Mancinas | 38.91 | 10 | BB Min | A: 37.69 (+1.22s | 3.1%) | Front Range Barracudas | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 636 | Darron Long | 38.92 | 12 | BB Min | A: 37.69 (+1.23s | 3.2%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 637 | Reagan Lobo | 38.92 | 11 | BB Min | A: 37.69 (+1.23s | 3.2%) | Foxjets Swim Team | 07/18/2025 | 2025 MN STRM Minnesota Regional Championship | |
| 638 | Eugene ParkChen | 38.93 | 12 | BB Min | A: 37.69 (+1.24s | 3.2%) | Palos Verdes Aquatic Club | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 639 | Anthony Kozhemiako | 38.93 | 11 | BB Min | A: 37.69 (+1.24s | 3.2%) | Seattle Metropolitan Aquatic C | 06/27/2025 | 2025 PN SMAC Summer Classic Invitational | |
| 640 | Kaelum Clark | 38.93 | 11 | BB Min | A: 37.69 (+1.24s | 3.2%) | Northern Lakes Aquatic Club | 06/13/2025 | 2025 MN RSC Summerfest | |
| 641 | Leo Shen | 38.94 | 12 | BB Min | A: 37.69 (+1.25s | 3.2%) | Olympus Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 642 | Lyndon Ling | 38.94 | 12 | BB Min | A: 37.69 (+1.25s | 3.2%) | San Dimas Aquatics | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 643 | Christopher Wilkinson | 38.94 | 10 | BB Min | A: 37.69 (+1.25s | 3.2%) | Boulder City Henderson Swim Te | 03/30/2025 | Sand Vs BCH LCM Dual 2025 | |
| 644 | Jeff Wang | 38.94 | 12 | BB Min | A: 37.69 (+1.25s | 3.2%) | Blue Dolphin Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 645 | Maximiliano Ambriz | 38.96 | 12 | BB Min | A: 37.69 (+1.27s | 3.3%) | Unattached | 07/30/2025 | 2025 FL Southern Zone Age Group Championship | |
| 646 | Kaius Choi | 38.98 | 11 | BB Min | A: 37.69 (+1.29s | 3.3%) | Brea Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 647 | Noah de Haan | 38.99 | 11 | BB Min | A: 37.69 (+1.30s | 3.3%) | Alto Swim Club | 07/11/2025 | 2025 Age Group Championships | |
| 648 | Elliott Meyer | 38.99 | 10 | BB Min | A: 37.69 (+1.30s | 3.3%) | Salem Swim Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 649 | Nash Marschke | 39.00 | 11 | BB Min | A: 37.69 (+1.31s | 3.4%) | Longmont Swim Club | 06/13/2025 | 2025 CO CSI Long Course Open | |
| 650 | Weihan Wang | 39.00 | 11 | BB Min | A: 37.69 (+1.31s | 3.4%) | Pleasanton Seahawks | 05/10/2025 | PC SRVA LCM C B BB+ | |
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.