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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1501 | Ahaan Jain | 55.50 | 9 | B: 55.39 (+0.11s | 0.2%) | Waterloo Swimming | 04/27/2025 | 2025 ST WLOO Waterloo Classic | ||
| 1502 | Alex Borz | 55.51 | 9 | B: 55.39 (+0.12s | 0.2%) | Indian River Aquatics | 05/23/2025 | 2025 Dr Aspi Doctor Memorial Invitational | ||
| 1503 | Alan Ying | 55.55 | 10 | B: 55.39 (+0.16s | 0.3%) | San Ramon Valley Aquatics | 05/10/2025 | PC SRVA LCM C B BB+ | ||
| 1504 | Watson Xie | 55.56 | 9 | B: 55.39 (+0.17s | 0.3%) | Chinook Aquatic Club | 05/29/2025 | 2025 IE VS Apple Capital | ||
| 1505 | Jackson Pinkerton | 55.57 | 9 | B: 55.39 (+0.18s | 0.3%) | YMCA Presidio Aquatics | 06/22/2024 | NVST S LAST CHANCE JO SUMMER PLUNGE | ||
| 1506 | Holden Hoffman | 55.57 | 8 | B: 55.39 (+0.18s | 0.3%) | Terrapins Swim Team | 07/12/2025 | 2025 Silver State Championships | ||
| 1507 | Jonathan Chen | 55.60 | 8 | B: 55.39 (+0.21s | 0.4%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | ||
| 1508 | Matteo Vargas | 55.61 | 9 | B: 55.39 (+0.22s | 0.4%) | Life Time Fitness Utah Swim Te | 04/11/2025 | WFFM LC Kickoff 2025 | ||
| 1509 | Callahan Ford | 55.61 | 8 | B: 55.39 (+0.22s | 0.4%) | Evergreen Hurricanes | 05/16/2025 | 2025 CO NJ Ken Kelley Invite | ||
| 1510 | Noah Attia | 55.62 | 8 | B: 55.39 (+0.23s | 0.4%) | Diablo Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | ||
| 1511 | Angus McInnes | 55.62 | 9 | B: 55.39 (+0.23s | 0.4%) | The Dalles Swim Team | 06/20/2025 | 72nd Annual Ted Walker Invitational | ||
| 1512 | Lucas Wang | 55.62 | 9 | B: 55.39 (+0.23s | 0.4%) | Chinook Aquatic Club | 05/29/2025 | 2025 IE VS Apple Capital | ||
| 1513 | Tyler Mirasol | 55.63 | 7 | B: 55.39 (+0.24s | 0.4%) | Quicksilver Swimming | 06/28/2024 | 2024 Valley Splash Zone 1S LCM C B A+ | ||
| 1514 | Aaden Foster | 55.63 | 9 | B: 55.39 (+0.24s | 0.4%) | Denver Swim Academy | 04/26/2025 | 2025 CO FST Spring LC Fever | ||
| 1515 | Lincoln Fritz | 55.65 | 9 | B: 55.39 (+0.26s | 0.5%) | Fast Falcons | 06/06/2025 | 2025 MAKOS Summer Splash | ||
| 1516 | Jonas Inscoe | 55.65 | 8 | B: 55.39 (+0.26s | 0.5%) | Nitro Swimming | 04/26/2025 | 2025 ST NTRO Splashing Into Long Course | ||
| 1517 | Sol Sharpe | 55.67 | 7 | B: 55.39 (+0.28s | 0.5%) | Tornadoes Swim Club | 04/11/2025 | 2025 GCST Spring Invite | ||
| 1518 | Maddox Dudley | 55.68 | 7 | B: 55.39 (+0.29s | 0.5%) | EL Paso Border Land Swim Team | 06/28/2024 | 2024 EPAP Jack White Classic | ||
| 1519 | Ben Casley | 55.69 | 10 | B: 55.39 (+0.30s | 0.5%) | Sebastopol Sea Serpents | 05/17/2025 | Neptune Swimming May Long Course Meet | ||
| 1520 | Atharv Tiruke | 55.69 | 8 | B: 55.39 (+0.30s | 0.5%) | Sunnyvale Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | ||
| 1521 | Daniel Rumiantcev | 55.69 | 8 | B: 55.39 (+0.30s | 0.5%) | Sunnyvale Swim Club | 06/07/2024 | DACA LC C B A+ Meet | ||
| 1522 | Steven Ibana | 55.69 | 8 | B: 55.39 (+0.30s | 0.5%) | Spokane Waves Aquatic Team | 06/20/2025 | 2025 SWAT Summer Solstice | ||
| 1523 | Austin Adler | 55.70 | 8 | B: 55.39 (+0.31s | 0.6%) | Lake Oswego Swim Club | 06/06/2025 | 2025 THSC June Invitational | ||
| 1524 | Bennett Calliham | 55.71 | 8 | B: 55.39 (+0.32s | 0.6%) | Loveland Swim Club | 06/06/2025 | 2025 CO FAST June Bonanza | ||
| 1525 | Derek Feng | 55.71 | 9 | B: 55.39 (+0.32s | 0.6%) | San Ramon Valley Aquatics | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | ||
| 1526 | Hudson Rausch | 55.72 | 8 | B: 55.39 (+0.33s | 0.6%) | Brookings Swim Club | 07/18/2025 | 2025 SD State Long Course Meet | ||
| 1527 | Vaughn Jamison | 55.72 | 9 | B: 55.39 (+0.33s | 0.6%) | Aspire Aquatics of Colorado | 05/16/2025 | 2025 CO ACES Spring Invite | ||
| 1528 | Carter McGroarty | 55.72 | 7 | B: 55.39 (+0.33s | 0.6%) | Nova of Virginia | 07/11/2024 | 2024 RAYS Summer Awards | ||
| 1529 | Corey Stolz | 55.73 | 10 | B: 55.39 (+0.34s | 0.6%) | North Jeffco Swim Team | 05/16/2025 | 2025 CO NJ Ken Kelley Invite | ||
| 1530 | George Bolt | 55.74 | 10 | B: 55.39 (+0.35s | 0.6%) | VillaSport Swim Team | 05/30/2025 | LA OPEN 2025 | ||
| 1531 | Nathaniel Hernandez Gomez | 55.74 | 9 | B: 55.39 (+0.35s | 0.6%) | Central Coast Swim Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | ||
| 1532 | Cody Preikschas | 55.75 | 8 | B: 55.39 (+0.36s | 0.6%) | Area Tallahassee Aquatic Club | 06/06/2025 | 2025 MAKOS Summer Splash | ||
| 1533 | Logan May | 55.75 | 9 | B: 55.39 (+0.36s | 0.6%) | Unattached | 04/11/2025 | 2025 April Classic | ||
| 1534 | Bruce Neilsen | 55.75 | 7 | B: 55.39 (+0.36s | 0.6%) | Lehi Aquatics | 06/21/2025 | 2025 UT HAST RWB BC Medals Meet | ||
| 1535 | Adrian Winter | 55.76 | 8 | B: 55.39 (+0.37s | 0.7%) | Miller Swim Club | 07/18/2025 | 2025 SD State Long Course Meet | ||
| 1536 | Liam Nye | 55.77 | 8 | B: 55.39 (+0.38s | 0.7%) | Unattached | 06/20/2025 | 2025 Planet Swim Summer Championships | ||
| 1537 | Carter Sparks | 55.77 | 9 | B: 55.39 (+0.38s | 0.7%) | Front Range Barracudas | 05/30/2025 | 2025 CO Barracuda Summer Sizzler Invite | ||
| 1538 | Alan Hu | 55.77 | 7 | B: 55.39 (+0.38s | 0.7%) | Blazing Barracudas | 06/07/2025 | 2025 NCAT Summer Swimfest | ||
| 1539 | Jayden Chen | 55.78 | 9 | B: 55.39 (+0.39s | 0.7%) | Tualatin Hills Swim Club | 05/02/2025 | 2025 THSC Spring Invitational | ||
| 1540 | Vivaan Jagadish | 55.79 | 9 | B: 55.39 (+0.40s | 0.7%) | Tualatin Hills Swim Club | 06/06/2025 | 2025 THSC June Invitational | ||
| 1541 | Mars Meihack | 55.80 | 8 | B: 55.39 (+0.41s | 0.7%) | Tualatin Hills Swim Club | 06/06/2025 | 2025 THSC June Invitational | ||
| 1542 | Elliott Goforth | 55.80 | 10 | B: 55.39 (+0.41s | 0.7%) | Thunderbird Aquatic Club | 05/02/2025 | 2025 PN TAC Spring Thunderbird Open | ||
| 1543 | Adam Kao | 55.82 | 9 | B: 55.39 (+0.43s | 0.8%) | Life Time Oregon Swim Team | 05/02/2025 | 2025 AAA May LC Invitational | ||
| 1544 | Lee Kreutner | 55.83 | 7 | B: 55.39 (+0.44s | 0.8%) | Watertown Area Swim Club | 07/21/2023 | 2023 SD State A Long Course Meet | ||
| 1545 | Adam Elkidwany | 55.84 | 9 | B: 55.39 (+0.45s | 0.8%) | Alamo Area Aquatic Association | 03/28/2025 | Blossom Into Spring 4 | ||
| 1546 | Canaan Crough | 55.85 | 10 | B: 55.39 (+0.46s | 0.8%) | Clovis Swim Club | 05/24/2025 | 2025 Mike Snyder Memorial | ||
| 1547 | Jason Yin | 55.87 | 7 | B: 55.39 (+0.48s | 0.9%) | Santa Clara Swim Club | 05/17/2024 | Quicksilver Swimming Zone 1S LCM C B A+ Meet | ||
| 1548 | Eric Hong | 55.88 | 8 | B: 55.39 (+0.49s | 0.9%) | Rochester Swim Club | 07/18/2025 | 2025 MN MTKA Minnesota Regional Championship | ||
| 1549 | Yuchen Zhou | 55.88 | 10 | B: 55.39 (+0.49s | 0.9%) | Eastside Aquatic Swim Team | 07/11/2025 | 2025 THSC Summer Classic | ||
| 1550 | Francisco Aguilar | 55.90 | 9 | B: 55.39 (+0.51s | 0.9%) | El Paso Aqua Posse | 06/28/2024 | 2024 EPAP Jack White Classic | ||
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.