USA Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1351 | William Chen | 54.13 | 9 | B Min | BB: 49.29 (+4.84s | 8.9%) | Rancho San Dieguito | 07/11/2025 | 2025 SI SDSA All Ages NTS Meet | |
| 1352 | Nolan Hunter | 54.13 | 9 | B Min | BB: 49.29 (+4.84s | 8.9%) | Rushmore Swim Team | 07/18/2025 | 2025 SD State Long Course Meet | |
| 1353 | Franklin Allega | 54.15 | 8 | B Min | BB: 49.29 (+4.86s | 9.0%) | Green YMCA Barracudas Swim Tea | 05/31/2025 | CCS Age Group And Open Long Course Meet | |
| 1354 | Zaddik Fan | 54.15 | 9 | B Min | BB: 49.29 (+4.86s | 9.0%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 1355 | Gray Richey | 54.17 | 8 | B Min | BB: 49.29 (+4.88s | 9.0%) | Quest Swimming | 05/17/2024 | Freedom Splash | |
| 1356 | Zakhar Breslavskyi | 54.17 | 9 | B Min | BB: 49.29 (+4.88s | 9.0%) | Boise YMCA Swim Team | 07/18/2025 | 2025 LCM Summer Championships | |
| 1357 | Hudson Porter | 54.19 | 9 | B Min | BB: 49.29 (+4.90s | 9.0%) | Wave Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 1358 | Christopher Rasmuson | 54.20 | 8 | B Min | BB: 49.29 (+4.91s | 9.1%) | Bishop Swim Team | 07/12/2025 | 2025 Silver State Championships | |
| 1359 | Timothy Wang | 54.21 | 9 | B Min | BB: 49.29 (+4.92s | 9.1%) | Cascadia Swimming | 11/01/2025 | Oregon City Fall Open 2025 | |
| 1360 | Sebastian Monroy Reyes | 54.23 | 9 | B Min | BB: 49.29 (+4.94s | 9.1%) | Sunnyvale Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 1361 | Harrison Kay | 54.24 | 8 | B Min | BB: 49.29 (+4.95s | 9.1%) | Legacy Aquatics | 11/02/2024 | Oregon City Fall Open 2024 | |
| 1362 | Mason Porter | 54.26 | 9 | B Min | BB: 49.29 (+4.97s | 9.2%) | Highlands Ranch Aquatics | 07/12/2025 | 2025 CO TOPS SBL Summer Sizzler | |
| 1363 | Liam Woods | 54.27 | 8 | B Min | BB: 49.29 (+4.98s | 9.2%) | Nova of Virginia | 06/27/2024 | NOVA Firecracker Classic | |
| 1364 | Brody Johnson | 54.27 | 7 | B Min | BB: 49.29 (+4.98s | 9.2%) | East Coast Aquatic Team | 11/05/2022 | ODAC November 8 Under Super Circuit Meet | |
| 1365 | Robert Bray | 54.28 | 9 | B Min | BB: 49.29 (+4.99s | 9.2%) | Maverick Aquatics | 06/19/2025 | 2025 CO Grand Junction Invitational | |
| 1366 | Clayton Sprunck | 54.30 | 9 | B Min | BB: 49.29 (+5.01s | 9.2%) | Nitro Swimming | 06/08/2025 | 2025 ST TXLA 14 U Sprint Cup | |
| 1367 | Michael Panic | 54.30 | 9 | B Min | BB: 49.29 (+5.01s | 9.2%) | Truckee-Tahoe Swim Team | 06/21/2024 | Reno Aquatic Club Gamble | |
| 1368 | Micah Odrzywolski | 54.34 | 9 | B Min | BB: 49.29 (+5.05s | 9.3%) | Piranhas YMCA of the Suncoast | 06/06/2025 | 2025 TAMPA BAY SWIM CLASSIC | |
| 1369 | Adrito Daas | 54.35 | 9 | B Min | BB: 49.29 (+5.06s | 9.3%) | Tualatin Hills Swim Club | 05/02/2025 | 2025 THSC Spring Invitational | |
| 1370 | Henry Fisk | 54.35 | 9 | B Min | BB: 49.29 (+5.06s | 9.3%) | Apex | 07/19/2025 | Apex Intrasquad 3 | |
| 1371 | Andrew Grove | 54.38 | 8 | B Min | BB: 49.29 (+5.09s | 9.4%) | Houston Bridge Bats | 06/14/2025 | CCLR CEM Summer Beach Bash LCM Unclassified | |
| 1372 | John Telischak | 54.39 | 10 | B Min | BB: 49.29 (+5.10s | 9.4%) | Unattached | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 1373 | Zhouhan Yang | 54.39 | 9 | B Min | BB: 49.29 (+5.10s | 9.4%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 1374 | Calex Gonzalez | 54.41 | 9 | B Min | BB: 49.29 (+5.12s | 9.4%) | Apex | 07/05/2025 | 2025 OR CRST Summer Blast 3 | |
| 1375 | Brooks Lansang | 54.43 | 9 | B Min | BB: 49.29 (+5.14s | 9.4%) | Bolles School Sharks | 05/23/2025 | EAJ Mayhem 2025 | |
| 1376 | Fwj Xiong | 54.45 | 10 | B Min | BB: 49.29 (+5.16s | 9.5%) | South East Metro Sharks | 07/18/2025 | 2025 MN STRM Minnesota Regional Championship | |
| 1377 | William Bradley | 54.46 | 7 | B Min | BB: 49.29 (+5.17s | 9.5%) | Nova of Virginia | 04/26/2024 | NOVA LC Kick Off | |
| 1378 | Luke Xu | 54.47 | 9 | B Min | BB: 49.29 (+5.18s | 9.5%) | California Dolphins Swim Team | 05/10/2025 | PC SRVA LCM C B BB+ | |
| 1379 | Anderson Gray | 54.48 | 7 | B Min | BB: 49.29 (+5.19s | 9.5%) | Occoquan Swimming | 08/06/2025 | 2025 Summer Elite Showcase | |
| 1380 | Ethan Fu | 54.48 | 9 | B Min | BB: 49.29 (+5.19s | 9.5%) | Olympic Cascade Aquatics | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 1381 | Bryson Lasoff | 54.49 | 8 | B Min | BB: 49.29 (+5.20s | 9.5%) | Wahoos of Jacksonville | 06/26/2025 | 2025 June TYR Classic | |
| 1382 | Samuel Martin | 54.50 | 9 | B Min | BB: 49.29 (+5.21s | 9.6%) | SaltRakers Aquatic Club | 07/04/2025 | 2025 SPA S SEMINOLE SUNRISE LANES SWIM MEET | |
| 1383 | Micah Parris | 54.51 | 8 | B Min | BB: 49.29 (+5.22s | 9.6%) | Sunnyvale Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 1384 | Derek Feng | 54.51 | 9 | B Min | BB: 49.29 (+5.22s | 9.6%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 1385 | Noah Vukojevic | 54.51 | 7 | B Min | BB: 49.29 (+5.22s | 9.6%) | Olympus Aquatics | 05/20/2025 | Kearns LC Classic | |
| 1386 | Wylee Towner-DeMoe | 54.51 | 8 | B Min | BB: 49.29 (+5.22s | 9.6%) | Team Eugene Aquatics | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 1387 | Vitor Feital Bodemeier | 54.52 | 10 | B Min | BB: 49.29 (+5.23s | 9.6%) | Gulf Coast Swim Team | 06/27/2025 | 2025 GCST LAST CHANCE MEET | |
| 1388 | Jaden Manalastas | 54.52 | 9 | B Min | BB: 49.29 (+5.23s | 9.6%) | South San Francisco Aquatics | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 1389 | Noah Hamdaoui | 54.52 | 8 | B Min | BB: 49.29 (+5.23s | 9.6%) | Nation\\\\\\'s Capital Swim Club | 04/26/2024 | 2024 Helen Wang Sunflower Classic | |
| 1390 | Peter Choruby | 54.53 | 10 | B Min | BB: 49.29 (+5.24s | 9.6%) | Mount Hood Aquatics | 06/26/2025 | 2025 Howard Jones Open | |
| 1391 | Asher Snead | 54.53 | 7 | B Min | BB: 49.29 (+5.24s | 9.6%) | Poseidon Swimming Inc | 06/27/2024 | NOVA Firecracker Classic | |
| 1392 | Wesley Clemens | 54.54 | 9 | B Min | BB: 49.29 (+5.25s | 9.6%) | Bay Club Aquatics | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | |
| 1393 | Ethan Zhang | 54.54 | 8 | B Min | BB: 49.29 (+5.25s | 9.6%) | Fmy Gators | 06/13/2025 | 2025 SD Aberdeen Summer High Point Swim Meet | |
| 1394 | Jacob Stanwix | 54.54 | 8 | B Min | BB: 49.29 (+5.25s | 9.6%) | Nova of Virginia | 05/17/2024 | Freedom Splash | |
| 1395 | Oliver Ni | 54.55 | 9 | B Min | BB: 49.29 (+5.26s | 9.6%) | Makos Aquatics Club of Gainesv | 06/06/2025 | 2025 MAKOS Summer Splash | |
| 1396 | Alexander McMahon | 54.55 | 10 | B Min | BB: 49.29 (+5.26s | 9.6%) | Watertown Area Swim Club | 06/06/2025 | 2025 BSC Summer Splash | |
| 1397 | Emmett Tourney | 54.56 | 9 | B Min | BB: 49.29 (+5.27s | 9.7%) | Red Wing Swim Club | 05/03/2025 | 2025 MN RSC Pentathlon | |
| 1398 | Owen Goettel | 54.59 | 8 | B Min | BB: 49.29 (+5.30s | 9.7%) | Lakewood Ranch Swim Associatio | 06/07/2025 | 2025 SRQ SUMMER AGE GROUP MEET | |
| 1399 | Roman Kappa | 54.60 | 7 | B Min | BB: 49.29 (+5.31s | 9.7%) | Lakewood Ranch Swim Associatio | 05/16/2025 | 2025 SYS Memorial Meet | |
| 1400 | Sebastian McNary | 54.61 | 9 | B Min | BB: 49.29 (+5.32s | 9.7%) | Tiger Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day 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.