Eastern Zone Zone Boys 10 & under - 50 Y Back
These rankings show the swimmers' placement within their Zone.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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1351 | Ryan Casillo | 44.13 | 9 | B Min | BB: 42.89 (+1.24s | 2.8%) | Annapolis Swim Club | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 1352 | Henry Sun | 44.13 | 7 | B Min | BB: 42.89 (+1.24s | 2.8%) | Tide Swimming | 01/09/2026 | 2026 757swim Splash And Dash | |
| 1353 | Logan Castillo | 44.14 | 8 | B Min | BB: 42.89 (+1.25s | 2.8%) | Long Island Aquatic Club | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 1354 | William French | 44.14 | 10 | B Min | BB: 42.89 (+1.25s | 2.8%) | Suburban Aquatics | 12/05/2025 | 2025 Christmas Championships | |
| 1355 | Matias Venturino | 44.15 | 8 | B Min | BB: 42.89 (+1.26s | 2.9%) | Rockville Montgomery Swim Club | 11/08/2025 | 2025 Autumn Mini Meet | |
| 1356 | Ryan Clark | 44.16 | 10 | B Min | BB: 42.89 (+1.27s | 2.9%) | York Swim Club of Northern Vir | 02/13/2026 | 2026 NCAP Winter Qualifier | |
| 1357 | Jasper Wakenshaw | 44.16 | 10 | B Min | BB: 42.89 (+1.27s | 2.9%) | Metro Dynasty Swim Team | 02/13/2026 | 39th Black History Swim Meet | |
| 1358 | Matthew McFarland | 44.16 | 9 | B Min | BB: 42.89 (+1.27s | 2.9%) | Nova of Virginia | 01/09/2026 | NOVA New Year S Kick Off | |
| 1359 | Grayson Poole | 44.17 | 9 | B Min | BB: 42.89 (+1.28s | 2.9%) | Calvert Aquatics Club | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 1360 | Shepard Stubbe | 44.17 | 9 | B Min | BB: 42.89 (+1.28s | 2.9%) | Virginia Gators | 01/16/2026 | CA Y Winter Rumble Copied | |
| 1361 | Carson Lutz | 44.17 | 8 | B Min | BB: 42.89 (+1.28s | 2.9%) | Virginia Gators | 02/07/2026 | SW District 8 Under Championship | |
| 1362 | Minho Rhee | 44.18 | 8 | B Min | BB: 42.89 (+1.29s | 2.9%) | Asphalt Green Unified Aquatics | 01/17/2026 | 2026 MR AGUA MLK Invitational | |
| 1363 | Paxton Kern | 44.18 | 8 | B Min | BB: 42.89 (+1.29s | 2.9%) | Cavalier Aquatics/Piedmont Fam | 01/31/2026 | LY Vs CA Y January Dual | |
| 1364 | Stetson Porter | 44.18 | 9 | B Min | BB: 42.89 (+1.29s | 2.9%) | Virginia Gators | 11/14/2025 | 2025 Gobbler Gauntlet | |
| 1365 | Nolan Anderson | 44.20 | 9 | B Min | BB: 42.89 (+1.31s | 3.0%) | Washingtonians Swim Club | 01/17/2026 | 2026 PV January Open Audrey Moore | |
| 1366 | Caleb Thorpe | 44.21 | 10 | B Min | BB: 42.89 (+1.32s | 3.0%) | Occoquan Swimming | 11/21/2025 | 2025 Fall Festivus | |
| 1367 | Omar Abdelwahab | 44.22 | 9 | B Min | BB: 42.89 (+1.33s | 3.0%) | Machine Aquatics | 02/13/2026 | 39th Black History Swim Meet | |
| 1368 | Jack Retzlaff | 44.22 | 8 | B Min | BB: 42.89 (+1.33s | 3.0%) | North Baltimore Aquatic Club | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 1369 | Zachary Murdoch | 44.23 | 10 | B Min | BB: 42.89 (+1.34s | 3.0%) | Potomac Marlins | 02/07/2026 | 2026 PM 14 U Champs Qualifier | |
| 1370 | Julian Wolf | 44.23 | 9 | B Min | BB: 42.89 (+1.34s | 3.0%) | Crimson Aquatics | 03/06/2026 | 2026 NE CRIM March Trials Finals Meet | |
| 1371 | Colten Stevens | 44.23 | 10 | B Min | BB: 42.89 (+1.34s | 3.0%) | H2okie Aquatics | 10/11/2025 | 2025 WAC Start Up Classic | |
| 1372 | Lewis Wilson | 44.23 | 9 | B Min | BB: 42.89 (+1.34s | 3.0%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 1373 | Micah Thrash | 44.24 | 10 | B Min | BB: 42.89 (+1.35s | 3.1%) | 757swim | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 1374 | Ryland Jennings | 44.25 | 10 | B Min | BB: 42.89 (+1.36s | 3.1%) | Westerly-Pawcatuck Y Dolphins | 02/01/2026 | 2026 NE NCYW 36th Annual YMCA Pentathlon | |
| 1375 | Greysen Rigueur | 44.28 | 9 | B Min | BB: 42.89 (+1.39s | 3.1%) | Jersey Wahoos | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 1376 | Ethan Ling | 44.28 | 7 | B Min | BB: 42.89 (+1.39s | 3.1%) | Matchpoint Nyc | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 1377 | Aleksandr Schensnovich | 44.29 | 8 | B Min | BB: 42.89 (+1.40s | 3.2%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 1378 | Basil Bouzalis | 44.30 | 9 | B Min | BB: 42.89 (+1.41s | 3.2%) | 92ny Flying Dolphins | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 1379 | Hudson Storck | 44.30 | 10 | B Min | BB: 42.89 (+1.41s | 3.2%) | Huntington YMCA Bluefish | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | |
| 1380 | Benjamin Ng | 44.30 | 9 | B Min | BB: 42.89 (+1.41s | 3.2%) | Harbor Seals | 03/27/2026 | 2026 MR Bronze Championships Central KBM | |
| 1381 | Andrew Hu | 44.31 | 10 | B Min | BB: 42.89 (+1.42s | 3.2%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 1382 | Dimitrios Papavasiliou | 44.31 | 9 | B Min | BB: 42.89 (+1.42s | 3.2%) | Anglerfish Aquatics | 02/13/2026 | 2026 NE SAC TT 10 Under Champs | |
| 1383 | Julian Tai | 44.32 | 9 | B Min | BB: 42.89 (+1.43s | 3.2%) | Qns Aquatic Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 1384 | Elis Oskvig | 44.33 | 9 | B Min | BB: 42.89 (+1.44s | 3.2%) | All Star Aquatics | 03/20/2026 | March Madness 2026 | |
| 1385 | Arlo Cashion | 44.34 | 10 | B Min | BB: 42.89 (+1.45s | 3.3%) | Annapolis Swim Club | 09/26/2025 | RAC First Splash 2025 | |
| 1386 | Liam Laughton | 44.34 | 10 | B Min | BB: 42.89 (+1.45s | 3.3%) | Retriever Aquatic Club | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 1387 | Grayson Ubaldo | 44.35 | 7 | B Min | BB: 42.89 (+1.46s | 3.3%) | Naval Academy Aquatic Club | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 1388 | Ellison Waterworth | 44.35 | 10 | B Min | BB: 42.89 (+1.46s | 3.3%) | Nova of Virginia | 12/05/2025 | 2025 757swim Grand Illumination | |
| 1389 | Keaton Tanner | 44.36 | 9 | B Min | BB: 42.89 (+1.47s | 3.3%) | Lynchburg YMCA Swim Team | 10/18/2025 | LY 2025 YMCA October Meet | |
| 1390 | Austin Jin | 44.38 | 9 | B Min | BB: 42.89 (+1.49s | 3.4%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 1391 | James Dowd | 44.38 | 7 | B Min | BB: 42.89 (+1.49s | 3.4%) | Metro Area Life Time | 01/23/2026 | 2026 MR PAC Winter Classic Invitational | |
| 1392 | Tanush Tandon | 44.38 | 8 | B Min | BB: 42.89 (+1.49s | 3.4%) | Crimson Aquatics | 12/12/2025 | 2025 NE CRIM Frosty Frenzy Trials Finals | |
| 1393 | Brennan Davis | 44.39 | 10 | B Min | BB: 42.89 (+1.50s | 3.4%) | Mason Makos Swim Team | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 1394 | Andy Zhang | 44.39 | 9 | B Min | BB: 42.89 (+1.50s | 3.4%) | Oyster River Otters | 02/07/2026 | 2026 NE ORO February Meet | |
| 1395 | Wyatt Fish | 44.39 | 10 | B Min | BB: 42.89 (+1.50s | 3.4%) | Twin Cities Swim Club | 02/27/2026 | 2026 NE Maine State Y Championships | |
| 1396 | Mingcong Hou | 44.40 | 7 | B Min | BB: 42.89 (+1.51s | 3.4%) | Rockville Montgomery Swim Club | 11/08/2025 | 2025 Autumn Mini Meet | |
| 1397 | Jackson Donahue | 44.41 | 9 | B Min | BB: 42.89 (+1.52s | 3.4%) | York Swim Club of Northern Vir | 02/07/2026 | 2026 PM 14 U Champs Qualifier | |
| 1398 | Maxton Eshler | 44.41 | 9 | B Min | BB: 42.89 (+1.52s | 3.4%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 1399 | Harris Chinnaraj | 44.41 | 10 | B Min | BB: 42.89 (+1.52s | 3.4%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 1400 | Carter Tropiano | 44.41 | 9 | B Min | BB: 42.89 (+1.52s | 3.4%) | Mason Makos Swim Team | 03/21/2026 | 2026 MAKO SPRING FLING | |
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.