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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2501 | Daniel Nagaoka | 33.67 | 10 | BB Min | A: 31.09 (+2.58s | 7.7%) | Quicksilver Swimming | 03/20/2026 | SCY Spring Age Group Championships | |
| 2502 | Ezra Epstein | 33.67 | 10 | BB Min | A: 31.09 (+2.58s | 7.7%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 2503 | Caelan Murphy | 33.67 | 9 | BB Min | A: 31.09 (+2.58s | 7.7%) | Shawmut Aquatic Club | 01/30/2026 | 2026 NE CS Silver Championships | |
| 2504 | Joao Freire | 33.67 | 9 | BB Min | A: 31.09 (+2.58s | 7.7%) | Carolina Aquatics Swim Club | 12/12/2025 | 2025 NC QCD Holiday Invite | |
| 2505 | Jordan Lemmon | 33.67 | 9 | BB Min | A: 31.09 (+2.58s | 7.7%) | Central Ohio Aquatics | 02/27/2026 | 2026 OH BSC SC Regional Championships | |
| 2506 | Julius Voigt | 33.67 | 10 | BB Min | A: 31.09 (+2.58s | 7.7%) | Island Aquatics | 02/07/2026 | 2026 MAGSA A B SCY LAST CHANCE MEET | |
| 2507 | Titan Otterstrom | 33.67 | 10 | BB Min | A: 31.09 (+2.58s | 7.7%) | Aquawolves Swimming | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 2508 | Elliot Mouton | 33.68 | 10 | BB Min | A: 31.09 (+2.59s | 7.7%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 11/22/2025 | 2025 Royal Fall Cup | |
| 2509 | Kenneth Zhang | 33.68 | 8 | BB Min | A: 31.09 (+2.59s | 7.7%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 2510 | Jack Schuster | 33.68 | 10 | BB Min | A: 31.09 (+2.59s | 7.7%) | Ridgewood YMCA Breakers Swim T | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 2511 | James Jolly | 33.68 | 10 | BB Min | A: 31.09 (+2.59s | 7.7%) | Livonia Community Swim Club | 03/07/2026 | 2026 Lake Erie Regional Meet | |
| 2512 | Edwin Li-Downs | 33.68 | 10 | BB Min | A: 31.09 (+2.59s | 7.7%) | Wasc | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 2513 | Rory Kisiah | 33.68 | 10 | BB Min | A: 31.09 (+2.59s | 7.7%) | Mecklenburg Swim Association | 01/17/2026 | 2026 MSA January Invite | |
| 2514 | JR Dorer | 33.69 | 9 | BB Min | A: 31.09 (+2.60s | 7.7%) | Columbus Aquatic Club | 01/16/2026 | 2026 SE Ralph Crocker Classic | |
| 2515 | Adam Rosol | 33.69 | 9 | BB Min | A: 31.09 (+2.60s | 7.7%) | Twisters Swim Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 2516 | Marek Martini | 33.69 | 9 | BB Min | A: 31.09 (+2.60s | 7.7%) | Blue Dragons Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 2517 | Ford Sykes | 33.69 | 10 | BB Min | A: 31.09 (+2.60s | 7.7%) | New Albany Aquatics Club | 10/17/2025 | 2025 OLY Fall Classic | |
| 2518 | William Martzke | 33.69 | 10 | BB Min | A: 31.09 (+2.60s | 7.7%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 10/26/2025 | Lisa Ferris Fall Festival Time Trial 2025 | |
| 2519 | Harrison Wu | 33.69 | 8 | BB Min | A: 31.09 (+2.60s | 7.7%) | Long Island Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 2520 | Alexander Bago | 33.69 | 10 | BB Min | A: 31.09 (+2.60s | 7.7%) | Badger Swim Club,Inc. | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 2521 | Christian Noweder | 33.69 | 9 | BB Min | A: 31.09 (+2.60s | 7.7%) | Apex Aquatic Club | 01/18/2026 | 2026 Fox Winter Invitational Meet | |
| 2522 | Tucker McCullough | 33.70 | 10 | BB Min | A: 31.09 (+2.61s | 7.7%) | Team Rebel Aquatics | 12/08/2023 | 2023 CA RAA SCS WAG | |
| 2523 | Darren Boyko | 33.71 | 10 | BB Min | A: 31.09 (+2.62s | 7.8%) | Novi Sturgeons | 02/27/2026 | 2026 MCSA Junior Cup | |
| 2524 | Henry Barnes | 33.71 | 10 | BB Min | A: 31.09 (+2.62s | 7.8%) | Marlins Of Raleigh | 10/18/2025 | 2025 TAC TITANS 12 U Tri Meet | |
| 2525 | Isaac Davis | 33.71 | 9 | BB Min | A: 31.09 (+2.62s | 7.8%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 10/17/2025 | 2025 OLY Fall Classic | |
| 2526 | Johann Dalal | 33.71 | 10 | BB Min | A: 31.09 (+2.62s | 7.8%) | The Capitol Sea Devils | 02/13/2026 | 39th Black History Swim Meet | |
| 2527 | Alexander Bicherl | 33.71 | 10 | BB Min | A: 31.09 (+2.62s | 7.8%) | Bluefish Swim Club | 01/30/2026 | 2026 NE UVAC Silvers | |
| 2528 | Gavin Johnston | 33.72 | 9 | BB Min | A: 31.09 (+2.63s | 7.8%) | Manta Ray Aquatics | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 2529 | Liam Lawson | 33.72 | 10 | BB Min | A: 31.09 (+2.63s | 7.8%) | Lake Oswego Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 2530 | Olivier Vasil | 33.72 | 9 | BB Min | A: 31.09 (+2.63s | 7.8%) | Westchester Aquatic Club | 10/18/2025 | 2025 MR WEST Tricia Dewey Tails Of Hope | |
| 2531 | Haoran Cong | 33.72 | 10 | BB Min | A: 31.09 (+2.63s | 7.8%) | Bellevue Club Swim Team | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 2532 | Cooper Van Horn | 33.72 | 10 | BB Min | A: 31.09 (+2.63s | 7.8%) | Colonel Crawford Swim Team | 03/12/2026 | 2026 OH SC Junior Championships | |
| 2533 | Steven Martin | 33.72 | 9 | BB Min | A: 31.09 (+2.63s | 7.8%) | Klamath Union | 02/13/2026 | 2026 OR HS 4a 2 | |
| 2534 | Holden Ling | 33.72 | 10 | BB Min | A: 31.09 (+2.63s | 7.8%) | The Olympic Club | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 2535 | Enrique Acosta | 33.73 | 10 | BB Min | A: 31.09 (+2.64s | 7.8%) | EL Paso Border Land Swim Team | 02/13/2026 | 2026 BD Arctic BLAST Swim Meet | |
| 2536 | Marc Fat | 33.73 | 10 | BB Min | A: 31.09 (+2.64s | 7.8%) | Charles River Aquatics | 01/09/2026 | 2026 NE CRA New Year Distance And Specialty | |
| 2537 | Tristan Virone | 33.73 | 9 | BB Min | A: 31.09 (+2.64s | 7.8%) | Huntsville Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 2538 | Austin Yang | 33.73 | 10 | BB Min | A: 31.09 (+2.64s | 7.8%) | Three Village Swim Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 2539 | Shun Mohri | 33.73 | 10 | BB Min | A: 31.09 (+2.64s | 7.8%) | Spartan Aquatic Club | 03/07/2026 | 2026 Lake Erie Regional Meet | |
| 2540 | Xavier Kallus | 33.74 | 10 | BB Min | A: 31.09 (+2.65s | 7.9%) | Victoria Texas Aquatic Club | 09/19/2025 | 2025 ST AQTX Round Rock Unclassified | |
| 2541 | Henry Wolffe | 33.74 | 10 | BB Min | A: 31.09 (+2.65s | 7.9%) | Bainbridge Island Swim Club | 02/27/2026 | 2026 PN February AGI, Division 2 Approved | |
| 2542 | Alec Stanimirov | 33.74 | 8 | BB Min | A: 31.09 (+2.65s | 7.9%) | Azura Florida Aquatics | 02/06/2026 | Friendship Meet 2026 | |
| 2543 | Houston Coghill | 33.74 | 9 | BB Min | A: 31.09 (+2.65s | 7.9%) | SwimEnergy Aquatics | 02/07/2026 | 2026 GCST WINTER OPEN | |
| 2544 | Levi Palmer | 33.74 | 10 | BB Min | A: 31.09 (+2.65s | 7.9%) | Nocatee Bluetide Swim Team | 03/01/2026 | 2026 Last Chance Meet | |
| 2545 | Felician Perski Smaluch | 33.74 | 9 | BB Min | A: 31.09 (+2.65s | 7.9%) | Jupiter Dragons Swim Team | 11/21/2025 | 2025 NPB Turkey Invite | |
| 2546 | Marsel Saidashev | 33.75 | 8 | BB Min | A: 31.09 (+2.66s | 7.9%) | SwimRight Team | 10/10/2025 | 2025 Gulliver Fall Classic | |
| 2547 | River Morse | 33.75 | 10 | BB Min | A: 31.09 (+2.66s | 7.9%) | Swim Gym | 02/20/2026 | 2026 FG SCY BB Championships SOUTH | |
| 2548 | Dale Joyce | 33.75 | 10 | BB Min | A: 31.09 (+2.66s | 7.9%) | Puget Sound Swim Club | 02/27/2026 | 2026 PN February AGI, Div 3 Approved | |
| 2549 | Maximus Prata | 33.75 | 10 | BB Min | A: 31.09 (+2.66s | 7.9%) | Kent County YMCA | 01/17/2026 | 2026 NE KCY SENECY Winter Carnival | |
| 2550 | Theodore Scharper | 33.75 | 9 | BB Min | A: 31.09 (+2.66s | 7.9%) | North Baltimore Aquatic Club | 10/17/2025 | 2025 NBAC Fall Fastival Meet | |
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.