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 | |
|---|---|---|---|---|---|---|---|---|---|
| 501 | Oleksandr Ihnatchenko | 29.78 | 10 | AA Min | AAA: 28.69 (+1.09s | 3.7%) | SwimRight Team | 12/06/2025 | 2025 Pompano Beach Santa Claus Meet | |
| 502 | Patrick Liu | 29.79 | 10 | AA Min | AAA: 28.69 (+1.10s | 3.7%) | Tac Titans | 09/21/2025 | 2025 TAC TITANS Blue V Green Meet | |
| 503 | Logan Griffith | 29.79 | 9 | AA Min | AAA: 28.69 (+1.10s | 3.7%) | Hood River Valley | 02/12/2025 | 2025 OR HS 5a 1 | |
| 504 | Michael Gyulbudaghyan | 29.79 | 10 | AA Min | AAA: 28.69 (+1.10s | 3.7%) | Matchpoint Nyc | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 505 | Enrique Guajardo | 29.80 | 10 | AA Min | AAA: 28.69 (+1.11s | 3.7%) | EL Paso Border Land Swim Team | 02/13/2026 | 2026 BD Arctic BLAST Swim Meet | |
| 506 | Sebastian Wood | 29.80 | 10 | AA Min | AAA: 28.69 (+1.11s | 3.7%) | Lake Lytal Lightning | 02/06/2026 | 2026 Matt Mounts Memorial Swim Meet | |
| 507 | Ray Yu | 29.80 | 9 | AA Min | AAA: 28.69 (+1.11s | 3.7%) | Aquazot Swim Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 508 | Harrison Band | 29.80 | 9 | AA Min | AAA: 28.69 (+1.11s | 3.7%) | Nation\\\\\\'s Capital Swim Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 509 | Koki Tsujiuchi | 29.81 | 10 | AA Min | AAA: 28.69 (+1.12s | 3.8%) | Huntsville Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 510 | Lucas Akinc | 29.82 | 10 | AA Min | AAA: 28.69 (+1.13s | 3.8%) | Marlins Of Raleigh | 01/16/2026 | 2026 RSA Winter Tri | |
| 511 | John Flood | 29.82 | 11 | AA Min | AAA: 28.69 (+1.13s | 3.8%) | Nation\\\\\\'s Capital Swim Club | 01/17/2026 | PVS January Open 2026 Fairland | |
| 512 | Yifeng Feng | 29.82 | 11 | AA Min | AAA: 28.69 (+1.13s | 3.8%) | Charles River Aquatics | 02/06/2026 | 2026 NE CRA Last Chance February Invite | |
| 513 | Carter Bertsche | 29.83 | 10 | AA Min | AAA: 28.69 (+1.14s | 3.8%) | Nova of Virginia | 01/16/2026 | GSA January Jump Start 2026 | |
| 514 | Zubin Reuter | 29.83 | 10 | AA Min | AAA: 28.69 (+1.14s | 3.8%) | Asphalt Green Unified Aquatics | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 515 | Henry Tong | 29.83 | 10 | AA Min | AAA: 28.69 (+1.14s | 3.8%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 516 | Alan Su | 29.83 | 10 | AA Min | AAA: 28.69 (+1.14s | 3.8%) | Stamford Sailfish Aquatic Club | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 517 | Leonardo Maia | 29.83 | 10 | AA Min | AAA: 28.69 (+1.14s | 3.8%) | Swim Coral Springs | 10/25/2025 | 2025 FG YSF October Invite | |
| 518 | Andres Gomez | 29.84 | 10 | AA Min | AAA: 28.69 (+1.15s | 3.9%) | South Florida Aquatic Club | 11/21/2025 | 2025 SoFlo Last Chance And Holiday Classic | |
| 519 | Yashovar Nallannagari | 29.84 | 10 | AA Min | AAA: 28.69 (+1.15s | 3.9%) | Nitro Swimming | 01/31/2026 | 2026 ST NTRO Fiery Flames | |
| 520 | Aiden Aliabadi | 29.84 | 10 | AA Min | AAA: 28.69 (+1.15s | 3.9%) | Nation\\\\\\'s Capital Swim Club | 09/27/2025 | 2025 PAC All Freestyle Meet | |
| 521 | Roman Kuleshov | 29.84 | 9 | AA Min | AAA: 28.69 (+1.15s | 3.9%) | Saint Andrew\\\\\\'s Aquatics | 11/01/2025 | Piranhas Turkey Classic 2025 | |
| 522 | Connor Yelverton | 29.84 | 10 | AA Min | AAA: 28.69 (+1.15s | 3.9%) | New Wave Swim Team | 01/16/2026 | 2026 RSA Winter Tri | |
| 523 | Gabriel Brown | 29.84 | 8 | AA Min | AAA: 28.69 (+1.15s | 3.9%) | Unattached | 06/14/2024 | 2024 CZ Multi Cultural Meet | |
| 524 | Jacob YU | 29.85 | 10 | AA Min | AAA: 28.69 (+1.16s | 3.9%) | Twisters Swim Club | 11/28/2025 | 2025 MR LIE Thanksgiving Invitational | |
| 525 | Franco Martinez | 29.85 | 10 | AA Min | AAA: 28.69 (+1.16s | 3.9%) | EL Paso Border Land Swim Team | 02/13/2026 | 2026 BD Arctic BLAST Swim Meet | |
| 526 | Theodore Greene | 29.86 | 10 | AA Min | AAA: 28.69 (+1.17s | 3.9%) | Marlins Of Raleigh | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | |
| 527 | Charlie Lockett | 29.87 | 9 | AA Min | AAA: 28.69 (+1.18s | 4.0%) | Nitro Swimming | 01/16/2026 | 2026 ST NTRO Winter Prelim Final Invite | |
| 528 | Tatetum Sires | 29.88 | 9 | AA Min | AAA: 28.69 (+1.19s | 4.0%) | East Valley (Yakima) | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 529 | Matthew Dormsjo | 29.89 | 10 | AA Min | AAA: 28.69 (+1.20s | 4.0%) | SwimMAC Carolina | 12/05/2025 | ATOM Winter Invite 2025 | |
| 530 | Quincy Rush | 29.89 | 10 | AA Min | AAA: 28.69 (+1.20s | 4.0%) | Gsa | 01/16/2026 | GSA January Jump Start 2026 | |
| 531 | Lennox Luning | 29.89 | 9 | AA Min | AAA: 28.69 (+1.20s | 4.0%) | Naval Academy Aquatic Club | 12/11/2025 | 2025 East Coast WinterFest | |
| 532 | Thomas Afonin | 29.89 | 10 | AA Min | AAA: 28.69 (+1.20s | 4.0%) | Shorefront Ym-Ywha | 01/10/2026 | 2026 MR FREE Freedom Winter Magic | |
| 533 | Michael Williams | 29.89 | 10 | AA Min | AAA: 28.69 (+1.20s | 4.0%) | Tac Titans | 09/21/2025 | 2025 TAC TITANS Blue V Green Meet | |
| 534 | Travis Zhu | 29.89 | 10 | AA Min | AAA: 28.69 (+1.20s | 4.0%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 535 | Ziqian Liu | 29.91 | 9 | A Min | AA: 29.89 (+0.02s | 0.1%) | Tac Titans | 09/21/2025 | 2025 TAC TITANS Blue V Green Meet | |
| 536 | Erik Serbinenko | 29.91 | 10 | A Min | AA: 29.89 (+0.02s | 0.1%) | Crimson Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 537 | Miles Kavanaugh | 29.91 | 10 | A Min | AA: 29.89 (+0.02s | 0.1%) | University Place Aquatic Club | 12/12/2025 | 2025 PN 14 Under Short Course Champs APPROVED | |
| 538 | Kaveen Kasa | 29.91 | 10 | A Min | AA: 29.89 (+0.02s | 0.1%) | Greensboro Community YMCA | 12/05/2025 | 2025 TYDE Winter Championship | |
| 539 | Hugo Linowski | 29.91 | 9 | A Min | AA: 29.89 (+0.02s | 0.1%) | Olympic Cascade Aquatics | 12/12/2025 | 2025 PN 14 Under Short Course Champs APPROVED | |
| 540 | Nimalan Venkatesan | 29.92 | 9 | A Min | AA: 29.89 (+0.03s | 0.1%) | Glacier Peak | 02/12/2025 | 2025 Northwest District 1 4A Boys HS Champs | |
| 541 | Enzo Harter | 29.93 | 10 | A Min | AA: 29.89 (+0.04s | 0.1%) | Beaverton Area Aquatics Club | 01/02/2026 | 2026 CST Shark Chase Invitational | |
| 542 | Ryan Kim | 29.93 | 10 | A Min | AA: 29.89 (+0.04s | 0.1%) | Saline Swim Team | 11/07/2025 | 25th Annual A3 Red, White, And Blue Classic | |
| 543 | Ryan Nesmith | 29.94 | 10 | A Min | AA: 29.89 (+0.05s | 0.2%) | Swim Florida | 02/07/2026 | 2026 GCST WINTER OPEN | |
| 544 | Daniel Nelasov | 29.95 | 10 | A Min | AA: 29.89 (+0.06s | 0.2%) | Jersey Wahoos | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 545 | Jonah Magness | 29.96 | 9 | A Min | AA: 29.89 (+0.07s | 0.2%) | Lebanon | 02/15/2025 | 2025 OR HS 5a 3 | |
| 546 | Adrian Vazquez-Alcaraz | 29.96 | 9 | A Min | AA: 29.89 (+0.07s | 0.2%) | Robert A Long | 01/11/2025 | 2025 Kentridge HS Invitational BOYS OBSERVED | |
| 547 | Aidan Grish | 29.96 | 10 | A Min | AA: 29.89 (+0.07s | 0.2%) | YMCA of Virginia\\\\\\'s Blue Ridge | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | |
| 548 | Brody Robertson | 29.96 | 9 | A Min | AA: 29.89 (+0.07s | 0.2%) | Kentridge | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 549 | Oliver Lyashenko | 29.96 | 10 | A Min | AA: 29.89 (+0.07s | 0.2%) | Old Dominion Aquatic Club | 12/11/2025 | 2025 East Coast WinterFest | |
| 550 | Ziqian Liu | 29.97 | 9 | A Min | AA: 29.89 (+0.08s | 0.3%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge 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.