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 | |
|---|---|---|---|---|---|---|---|---|---|
| 451 | Joon Cha | 36.21 | 10 | A Min | AA: 35.79 (+0.42s | 1.2%) | Sunnyvale Swim Club | 10/24/2026 | SUNN Fall Classic 2026 | |
| 452 | Michael Krumme | 36.22 | 10 | A Min | AA: 35.79 (+0.43s | 1.2%) | Northern KY Clippers | 09/26/2026 | 2026 CLPR Intrasquad Meet | |
| 453 | Cash Hardy | 36.24 | 10 | A Min | AA: 35.79 (+0.45s | 1.2%) | West Valley High School | 01/11/2025 | 2025 Kentridge HS Invitational BOYS OBSERVED | |
| 454 | Isaiah Isreal | 36.24 | 9 | A Min | AA: 35.79 (+0.45s | 1.2%) | New Albany Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 455 | Peter Lall | 36.25 | 10 | A Min | AA: 35.79 (+0.46s | 1.3%) | Upper Dublin Aquatic Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 456 | Kolbe Bell | 36.25 | 9 | A Min | AA: 35.79 (+0.46s | 1.3%) | Nation\\\\\\'s Capital Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 457 | Jameson Knesek | 36.27 | 10 | A Min | AA: 35.79 (+0.48s | 1.3%) | Supernova Swim Team | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 458 | Wilder Phillippay | 36.27 | 10 | A Min | AA: 35.79 (+0.48s | 1.3%) | West Linn | 02/13/2026 | 2026 OR HS 6A 5 | |
| 459 | Paxton Wilson | 36.27 | 9 | A Min | AA: 35.79 (+0.48s | 1.3%) | SwimRVA | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 460 | Joshua Margolius | 36.27 | 9 | A Min | AA: 35.79 (+0.48s | 1.3%) | Rivertown Aquatics | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 461 | Samuel Wacek | 36.27 | 10 | A Min | AA: 35.79 (+0.48s | 1.3%) | Alexandria Swim Club | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 462 | Elias Morgan | 36.27 | 10 | A Min | AA: 35.79 (+0.48s | 1.3%) | Huntsville Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 463 | Jorden Li | 36.29 | 10 | A Min | AA: 35.79 (+0.50s | 1.4%) | Arctic Aquatics | 10/04/2025 | 2025 NE CS Fall Sprints Copied | |
| 464 | Aris Shi | 36.29 | 9 | A Min | AA: 35.79 (+0.50s | 1.4%) | Arctic Aquatics | 05/01/2026 | 2026 NE ARCT Spring Specialty Meet | |
| 465 | Caleb Nash | 36.29 | 10 | A Min | AA: 35.79 (+0.50s | 1.4%) | Enfinity Aquatic Club | 02/13/2026 | 2026 TYDE Be My Valentine Meet | |
| 466 | Caleb Harrison | 36.29 | 10 | A Min | AA: 35.79 (+0.50s | 1.4%) | Huntsville Swim Association | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 467 | Johnathan Wang | 36.30 | 9 | A Min | AA: 35.79 (+0.51s | 1.4%) | Alto Swim Club | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 468 | Landen Chen | 36.30 | 9 | A Min | AA: 35.79 (+0.51s | 1.4%) | Revolution Swim Club | 02/06/2026 | 2026 NE CRIM Last Chance Meet | |
| 469 | Ethan Wang | 36.31 | 9 | A Min | AA: 35.79 (+0.52s | 1.4%) | Alto Swim Club | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 470 | Benjamin Hankinson | 36.31 | 10 | A Min | AA: 35.79 (+0.52s | 1.4%) | Jupiter Dragons Swim Team | 10/02/2026 | Mike Horgan 2026 | |
| 471 | Aldar Khamutaev | 36.33 | 9 | A Min | AA: 35.79 (+0.54s | 1.5%) | Matchpoint Nyc | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 472 | Baker Lowrance | 36.34 | 10 | A Min | AA: 35.79 (+0.55s | 1.5%) | SwimRVA | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 473 | Riccardo Sardena | 36.34 | 10 | A Min | AA: 35.79 (+0.55s | 1.5%) | Swim Team of Placentia | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 474 | Mason Stout | 36.34 | 10 | A Min | AA: 35.79 (+0.55s | 1.5%) | Foxjets Swim Team | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 475 | Shay Jain | 36.34 | 9 | A Min | AA: 35.79 (+0.55s | 1.5%) | Palo Alto Stanford Aquatics | 07/26/2026 | 2026 PASA Summer Palooza | |
| 476 | Joseph Pelleriti | 36.34 | 10 | A Min | AA: 35.79 (+0.55s | 1.5%) | Unattached | 10/09/2026 | VJO S Sprint For The Golden Ticket 2026 C | |
| 477 | Mason Pitts | 36.35 | 9 | A Min | AA: 35.79 (+0.56s | 1.5%) | Kelso | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 478 | Thomas Blumenschein | 36.36 | 9 | A Min | AA: 35.79 (+0.57s | 1.6%) | Tollefson Swimming | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 479 | Matthew Frankovic | 36.36 | 9 | A Min | AA: 35.79 (+0.57s | 1.6%) | Twisters Swim Club | 01/24/2026 | 2026 MR FLY Fran Schnarr Sprint Pentathlon Me | |
| 480 | Eric Zeng | 36.36 | 9 | A Min | AA: 35.79 (+0.57s | 1.6%) | Canyons Aquatic Club | 12/06/2025 | 2025 CA CANY Candy Cane | |
| 481 | William Peterworth | 36.36 | 9 | A Min | AA: 35.79 (+0.57s | 1.6%) | Lakeside Swim Team | 10/16/2026 | 2026 SwimVille USA Jack Thompson Classic | |
| 482 | Adam Lum | 36.37 | 10 | A Min | AA: 35.79 (+0.58s | 1.6%) | Lakewood Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 483 | Nathan Wang | 36.37 | 10 | A Min | AA: 35.79 (+0.58s | 1.6%) | Scarlet Aquatics | 01/03/2026 | 2026 TYR Winterfest | |
| 484 | Joseph Nguyen | 36.38 | 9 | A Min | AA: 35.79 (+0.59s | 1.6%) | Three Village Swim Club | 12/11/2025 | 2025 MR HAUP Eagle Invitational | |
| 485 | Noah Chen | 36.38 | 10 | A Min | AA: 35.79 (+0.59s | 1.6%) | Blue Wave Swim Team PV | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 486 | Louis Choi | 36.38 | 10 | A Min | AA: 35.79 (+0.59s | 1.6%) | Saline Swim Team | 12/13/2025 | 2025 DRD Winter Solstice Meet | |
| 487 | Jacob Witlin | 36.39 | 10 | A Min | AA: 35.79 (+0.60s | 1.6%) | Condors Swim Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 488 | Liam Reyes | 36.39 | 10 | A Min | AA: 35.79 (+0.60s | 1.6%) | Reno Aquatic Club | 07/31/2026 | 2026 High Country Short Course Championship | |
| 489 | Lucas Romero | 36.42 | 8 | A Min | AA: 35.79 (+0.63s | 1.7%) | Long Island Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 490 | Rossi Cofield | 36.42 | 9 | A Min | AA: 35.79 (+0.63s | 1.7%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 491 | Quincy Happeny | 36.42 | 10 | A Min | AA: 35.79 (+0.63s | 1.7%) | Nation\\\\\\'s Capital Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 492 | Henry Reed | 36.43 | 10 | A Min | AA: 35.79 (+0.64s | 1.8%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 493 | Ching Chan | 36.43 | 10 | A Min | AA: 35.79 (+0.64s | 1.8%) | Dart Swimming | 09/26/2026 | 2026 CCA Spook Tacular | |
| 494 | Jackson Hopkins | 36.43 | 10 | A Min | AA: 35.79 (+0.64s | 1.8%) | Blue Dolfins | 10/10/2026 | TCSC Fall Invitational | |
| 495 | Noah Czech | 36.45 | 10 | A Min | AA: 35.79 (+0.66s | 1.8%) | Diamond State Aquatics | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 496 | Charles Sanders | 36.45 | 10 | A Min | AA: 35.79 (+0.66s | 1.8%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 497 | Nick Scarpitti | 36.45 | 10 | A Min | AA: 35.79 (+0.66s | 1.8%) | Cincinnati Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 498 | Ezekiel Cabanilla | 36.45 | 10 | A Min | AA: 35.79 (+0.66s | 1.8%) | Maui Swim Club | 10/10/2026 | 2026 MAGSA SCY A 2 Swim Meet | |
| 499 | Camille Turpin | 36.46 | 10 | A Min | AA: 35.79 (+0.67s | 1.8%) | Asphalt Green Unified Aquatics | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 500 | William Heath | 36.46 | 10 | A Min | AA: 35.79 (+0.67s | 1.8%) | YMCA of Greater Nashua Storm | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
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.