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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4451 | Wyatt Zavala | 44.80 | 9 | B Min | BB: 42.89 (+1.91s | 4.3%) | Tuna Swim Club | 02/27/2026 | 2026 MN MTKA Minnesota Regional Championship | |
| 4452 | Jayden Kleyn | 44.80 | 9 | B Min | BB: 42.89 (+1.91s | 4.3%) | Unattached | 11/21/2025 | SPA PYP NOVEMBER 2025 | |
| 4453 | Ian Jung | 44.80 | 10 | B Min | BB: 42.89 (+1.91s | 4.3%) | Gator Swim Club | 11/21/2025 | 2025 RAFC Almost Turkey Invitational | |
| 4454 | Cole Cinadr | 44.80 | 10 | B Min | BB: 42.89 (+1.91s | 4.3%) | Hudson Explorer Aquatic | 02/20/2026 | 2026 OH Akron SC Regional Championships | |
| 4455 | Jack Kibler | 44.81 | 9 | B Min | BB: 42.89 (+1.92s | 4.3%) | Unified Aquatics Club | 02/27/2026 | 2026 OH BSC SC Regional Championships | |
| 4456 | Reyansh Soni | 44.81 | 10 | B Min | BB: 42.89 (+1.92s | 4.3%) | Crimson Aquatics | 01/09/2026 | 2026 NE CRIM Jan Team Specialty | |
| 4457 | Jackson Anastos | 44.81 | 10 | B Min | BB: 42.89 (+1.92s | 4.3%) | Kingfish Swimming Medfield | 01/09/2026 | 2026 NE NSSC January 9 11 BC Meet | |
| 4458 | Max Korchanov | 44.81 | 10 | B Min | BB: 42.89 (+1.92s | 4.3%) | Parkrose | 02/13/2026 | 2026 OR HS 5a 1 | |
| 4459 | Theodore Johnson | 44.81 | 10 | B Min | BB: 42.89 (+1.92s | 4.3%) | North Jeffco Swim Team | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 4460 | Luca Mansur | 44.82 | 10 | B Min | BB: 42.89 (+1.93s | 4.3%) | Azura Florida Aquatics | 02/20/2026 | 2026 FG SCY BB Championships SOUTH | |
| 4461 | Ely Marsh | 44.82 | 10 | B Min | BB: 42.89 (+1.93s | 4.3%) | Sarasota Tsunami Swim Team | 12/05/2025 | 2025 Speedo Gator Holiday Classic | |
| 4462 | Adrian Tong | 44.82 | 9 | B Min | BB: 42.89 (+1.93s | 4.3%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 4463 | Aidan Murphy-Pradhan | 44.82 | 9 | B Min | BB: 42.89 (+1.93s | 4.3%) | Nation\\\\\\'s Capital Swim Club | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 4464 | Colin Klugherz | 44.82 | 9 | B Min | BB: 42.89 (+1.93s | 4.3%) | South Metro Storm | 11/21/2025 | 2025 MN STRM 4th Annual Movember Invite | |
| 4465 | Flynn Michielsen | 44.82 | 10 | B Min | BB: 42.89 (+1.93s | 4.3%) | Power for Life | 01/18/2025 | 2025 LSST January Frosty Meet | |
| 4466 | Lucas Saavedra | 44.82 | 10 | B Min | BB: 42.89 (+1.93s | 4.3%) | Swim Streamline at Northampton | 10/12/2024 | SSAN 2024 Kara Ward Pink Out | |
| 4467 | Mason Verwers | 44.83 | 9 | B Min | BB: 42.89 (+1.94s | 4.3%) | Unattached | 02/20/2026 | 2026 CO PPA February Frenzy Last Chance Meet | |
| 4468 | Van Ewing | 44.83 | 10 | B Min | BB: 42.89 (+1.94s | 4.3%) | Tahoe Swim Club | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 4469 | Connor Williams | 44.83 | 9 | B Min | BB: 42.89 (+1.94s | 4.3%) | Foxjets Swim Team | 02/13/2026 | 2026 MN RSC President S Day Meet | |
| 4470 | Adam Jablonski | 44.83 | 10 | B Min | BB: 42.89 (+1.94s | 4.3%) | Elevation Athletics | 01/16/2026 | 2026 CO CUDA Classic | |
| 4471 | Kyle Fagan | 44.83 | 9 | B Min | BB: 42.89 (+1.94s | 4.3%) | Hickory Foundation YMCA Seahor | 03/06/2026 | Jon Jolley GYSSA 2026 | |
| 4472 | August Greenberg | 44.83 | 10 | B Min | BB: 42.89 (+1.94s | 4.3%) | Manhattan Makos | 03/27/2026 | 2026 MR Bronze Championships Central KBM | |
| 4473 | Kalden Fessler | 44.84 | 10 | B Min | BB: 42.89 (+1.95s | 4.3%) | Kingfish Swimming Medfield | 01/09/2026 | 2026 NE NSSC January 9 11 BC Meet | |
| 4474 | Thomas McIlwain | 44.84 | 10 | B Min | BB: 42.89 (+1.95s | 4.3%) | Smac | 10/24/2025 | NOVA Halloween Haunt | |
| 4475 | Rasmus Andrews | 44.84 | 10 | B Min | BB: 42.89 (+1.95s | 4.3%) | Beast | 09/21/2024 | 2024 CO DGO Big Mountain Invite | |
| 4476 | Callan Purcell | 44.84 | 10 | B Min | BB: 42.89 (+1.95s | 4.3%) | Life Time Colorado Swim Club | 02/13/2026 | 2026 CO Valentine Open | |
| 4477 | Reef Gal | 44.84 | 8 | B Min | BB: 42.89 (+1.95s | 4.3%) | Charles River Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 4478 | Sebastian Olds | 44.84 | 10 | B Min | BB: 42.89 (+1.95s | 4.3%) | 757swim | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 4479 | Dominic Pescarino | 44.85 | 9 | B Min | BB: 42.89 (+1.96s | 4.4%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 10/26/2025 | Lisa Ferris Fall Festival Time Trial 2025 | |
| 4480 | Samuel Seresse | 44.85 | 8 | B Min | BB: 42.89 (+1.96s | 4.4%) | Monticello Swim Club | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 4481 | Carter Chan | 44.86 | 8 | B Min | BB: 42.89 (+1.97s | 4.4%) | Commonwealth Swimming | 01/30/2026 | 2026 NE CS Silver Championships | |
| 4482 | Aiden Bajracharya | 44.86 | 9 | B Min | BB: 42.89 (+1.97s | 4.4%) | Tac Titans | 12/19/2025 | 2025 TAC TITANS Jingle Bells Meet | |
| 4483 | Gabriel Liu | 44.86 | 10 | B Min | BB: 42.89 (+1.97s | 4.4%) | Southwestern Aquatics Team - S | 11/23/2024 | 2024 BATS November Meet | |
| 4484 | Teoman Kara | 44.86 | 9 | B Min | BB: 42.89 (+1.97s | 4.4%) | Parkway-Rockwood Gateway Swim | 03/07/2026 | 2026 GTWY 8 Under Champs | |
| 4485 | Adeoluwa Jaiyeola | 44.86 | 9 | B Min | BB: 42.89 (+1.97s | 4.4%) | Accokeek Stroke Technique Swim | 02/07/2026 | 2026 MAKO QUALIFIER | |
| 4486 | Alexander Kolpakov | 44.87 | 9 | B Min | BB: 42.89 (+1.98s | 4.4%) | Tide Swimming | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 4487 | Scott Timmerman | 44.87 | 10 | B Min | BB: 42.89 (+1.98s | 4.4%) | Barracuda Aquatics Club | 01/03/2026 | 2026 MN SHRK Freezing Your Fins Off | |
| 4488 | Benjamin Pho | 44.87 | 10 | B Min | BB: 42.89 (+1.98s | 4.4%) | Gold\\\\\\'s Aquatics Club | 11/22/2025 | 2025 PN November AGI Div 1 (PDST) | |
| 4489 | Sahand Saeidi | 44.87 | 9 | B Min | BB: 42.89 (+1.98s | 4.4%) | Commonwealth Swimming | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | |
| 4490 | Aiden Huang | 44.87 | 10 | B Min | BB: 42.89 (+1.98s | 4.4%) | DeAnza Cupertino Aquatics | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 4491 | Steven Ilbana | 44.87 | 9 | B Min | BB: 42.89 (+1.98s | 4.4%) | Spokane Waves Aquatic Team | 12/05/2025 | 2025 SWAT Winter Invite | |
| 4492 | Jonathan Wu | 44.87 | 10 | B Min | BB: 42.89 (+1.98s | 4.4%) | North Baltimore Aquatic Club | 10/17/2025 | 2025 NBAC Fall Fastival Meet | |
| 4493 | Alexander Krapp | 44.87 | 9 | B Min | BB: 42.89 (+1.98s | 4.4%) | Thurston Olympians Swim Club | 03/21/2026 | 2026 PN OSTSEAL Kaholo Island ClassicApproved | |
| 4494 | Emmett McDonald | 44.87 | 10 | B Min | BB: 42.89 (+1.98s | 4.4%) | Highlands Ranch Aquatics | 02/20/2026 | 2026 CO PPA February Frenzy Last Chance Meet | |
| 4495 | Milo Chan | 44.87 | 9 | B Min | BB: 42.89 (+1.98s | 4.4%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | |
| 4496 | Aspar Dzebisov | 44.88 | 10 | B Min | BB: 42.89 (+1.99s | 4.4%) | Fast Lane Aquatics | 12/04/2025 | RAFC Winter Classic | |
| 4497 | Ryan Maguire | 44.88 | 10 | B Min | BB: 42.89 (+1.99s | 4.4%) | Bgc-N. Westchester Marlins | 11/14/2025 | 2025 MR COND November IMX Invitational | |
| 4498 | Oliver James | 44.89 | 9 | B Min | BB: 42.89 (+2.00s | 4.5%) | Mecklenburg Swim Association | 02/07/2026 | MSA IM Tough Meet 2026 | |
| 4499 | Titus Kirsch | 44.89 | 10 | B Min | BB: 42.89 (+2.00s | 4.5%) | Summerville Family YMCA | 03/19/2026 | 2026 USRY Short Course Champs | |
| 4500 | Elliot Ryan | 44.89 | 10 | B Min | BB: 42.89 (+2.00s | 4.5%) | Merritt Athletic Swimming | 11/14/2025 | Harvest Festival 2025 | |
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.