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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1951 | Leonidas Washburn | 47.03 | 9 | B Min | BB: 42.89 (+4.14s | 8.8%) | Metro Surge Aquatic Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 1952 | Eirvin Chung | 47.03 | 9 | B Min | BB: 42.89 (+4.14s | 8.8%) | Streamline Swim Club & Team | 10/10/2025 | 2025 PV October Open Franconia | |
| 1953 | Jackson Wehrly | 47.03 | 9 | B Min | BB: 42.89 (+4.14s | 8.8%) | Kent County YMCA | 01/17/2026 | 2026 NE KCY SENECY Winter Carnival | |
| 1954 | Maseo Aberasturia | 47.05 | 10 | B Min | BB: 42.89 (+4.16s | 8.8%) | Bluefish Swim Club | 03/13/2026 | 2026 NE INST NE Cup | |
| 1955 | Alborz Hosseini Soreshjani | 47.06 | 10 | B Min | BB: 42.89 (+4.17s | 8.9%) | The Fish | 03/20/2026 | 26th Annual Spring Championships | |
| 1956 | Weston Diaz | 47.07 | 9 | B Min | BB: 42.89 (+4.18s | 8.9%) | Quest Swimming | 12/05/2025 | NOVA December Dip | |
| 1957 | Jackson Francis | 47.07 | 9 | B Min | BB: 42.89 (+4.18s | 8.9%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 1958 | Tate Schneider | 47.09 | 9 | B Min | BB: 42.89 (+4.20s | 8.9%) | The Capitol Sea Devils | 11/21/2025 | 2025 Swim Rock | |
| 1959 | Jameson Borey | 47.09 | 10 | B Min | BB: 42.89 (+4.20s | 8.9%) | YMCA of Central Massachusetts | 01/16/2026 | 2026 NE SAC Bronze Championships | |
| 1960 | Jacob Alban | 47.10 | 10 | B Min | BB: 42.89 (+4.21s | 8.9%) | Frederick Area Swim Team | 01/11/2026 | 2026 FOX January Distance Sprint Meet | |
| 1961 | Lawrence Craft | 47.10 | 8 | B Min | BB: 42.89 (+4.21s | 8.9%) | All Star Aquatics | 11/08/2025 | 2025 Autumn Mini Meet | |
| 1962 | Pierson Jenkins | 47.10 | 10 | B Min | BB: 42.89 (+4.21s | 8.9%) | Cardinal and Gold Aquatics | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 1963 | Thomas Soper | 47.11 | 9 | B Min | BB: 42.89 (+4.22s | 9.0%) | Potomac Marlins | 12/12/2025 | 2025 MAKO HOLIDAY INVITATIONAL | |
| 1964 | Maxwell Hristov | 47.12 | 10 | B Min | BB: 42.89 (+4.23s | 9.0%) | YMCA of Greater Nashua Storm | 01/30/2026 | 2026 NE UVAC Silvers | |
| 1965 | Aiden Liang | 47.12 | 9 | B Min | BB: 42.89 (+4.23s | 9.0%) | South Shore YMCA Strypers | 02/06/2026 | 2026 NE CRA Last Chance February Invite | |
| 1966 | Kai Bujold | 47.12 | 7 | B Min | BB: 42.89 (+4.23s | 9.0%) | Champlain Valley Swim Academy- | 01/30/2026 | 2026 NE UVAC Silvers | |
| 1967 | Oliver Adair | 47.13 | 9 | B Min | BB: 42.89 (+4.24s | 9.0%) | All Star Aquatics | 02/13/2026 | 2026 ASA President S Day Classic | |
| 1968 | Maximilian Vladimiroff | 47.14 | 9 | B Min | BB: 42.89 (+4.25s | 9.0%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 1969 | Robert Craft | 47.14 | 7 | B Min | BB: 42.89 (+4.25s | 9.0%) | All Star Aquatics | 02/13/2026 | 2026 ASA President S Day Classic | |
| 1970 | Oliver Haddon | 47.14 | 9 | B Min | BB: 42.89 (+4.25s | 9.0%) | YMCA of Virginia\\\\\\'s Blue Ridge | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 1971 | Ryker Kirby | 47.15 | 9 | B Min | BB: 42.89 (+4.26s | 9.0%) | Down East Family YMCA | 02/27/2026 | 2026 NE Maine State Y Championships | |
| 1972 | Jason Rector | 47.15 | 7 | B Min | BB: 42.89 (+4.26s | 9.0%) | Valley Swim Team Phoenix | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 1973 | Michael Soler | 47.15 | 8 | B Min | BB: 42.89 (+4.26s | 9.0%) | Freedom Aquatics | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 1974 | William Nolan | 47.16 | 8 | B Min | BB: 42.89 (+4.27s | 9.1%) | YMCA of Middletown Barracudas | 01/31/2026 | 2026 MR MWDA YBAR Sink Or Swim Invitational | |
| 1975 | Treyvon Robbins | 47.16 | 10 | B Min | BB: 42.89 (+4.27s | 9.1%) | Lynchburg YMCA Swim Team | 09/19/2025 | 2025 LY Season Opener | |
| 1976 | Pavlo Naboichenko | 47.16 | 10 | B Min | BB: 42.89 (+4.27s | 9.1%) | Old Dominion Aquatic Club | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 1977 | Connor Barnaba | 47.16 | 9 | B Min | BB: 42.89 (+4.27s | 9.1%) | North Baltimore Aquatic Club | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 1978 | Alexander FitzGerald | 47.17 | 9 | B Min | BB: 42.89 (+4.28s | 9.1%) | Fox Swim Club | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 1979 | George Burkhardt | 47.17 | 8 | B Min | BB: 42.89 (+4.28s | 9.1%) | Lynchburg YMCA Swim Team | 11/08/2025 | CA Y Tri Meet | |
| 1980 | Santiago Obando Cometa | 47.18 | 9 | B Min | BB: 42.89 (+4.29s | 9.1%) | Columbia Aquatics Association | 01/03/2026 | 2026 ASTS Invitational | |
| 1981 | Aedan Wilson | 47.18 | 9 | B Min | BB: 42.89 (+4.29s | 9.1%) | Crimson Aquatics | 01/16/2026 | 2026 NE CRIM Bronze Championship | |
| 1982 | Adrian Magbag | 47.18 | 10 | B Min | BB: 42.89 (+4.29s | 9.1%) | 757swim | 12/05/2025 | 2025 757swim Grand Illumination | |
| 1983 | Anthony Atorin | 47.18 | 9 | B Min | BB: 42.89 (+4.29s | 9.1%) | Aquaracers Swim Club | 01/17/2026 | 2026 MR AGUA MLK Invitational | |
| 1984 | Jared Chen | 47.18 | 10 | B Min | BB: 42.89 (+4.29s | 9.1%) | Qns Aquatic Club | 10/04/2025 | 2025 MR QNS Hello Brooklyn Invitational | |
| 1985 | Matthew Chen | 47.19 | 9 | B Min | BB: 42.89 (+4.30s | 9.1%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 1986 | Owen Eichenlaub | 47.20 | 9 | B Min | BB: 42.89 (+4.31s | 9.1%) | Delmar Dolfins | 12/12/2025 | 2025 NE NSSC Dec Holiday Celebration! | |
| 1987 | Yussuf Elallati | 47.20 | 9 | B Min | BB: 42.89 (+4.31s | 9.1%) | Qns Aquatic Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 1988 | Elias Walker | 47.20 | 8 | B Min | BB: 42.89 (+4.31s | 9.1%) | North Baltimore Aquatic Club | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 1989 | Noah Cruz | 47.21 | 10 | B Min | BB: 42.89 (+4.32s | 9.2%) | Machine Aquatics | 11/14/2025 | 2025 PV November Open Franconia | |
| 1990 | Dominic Coyle | 47.21 | 9 | B Min | BB: 42.89 (+4.32s | 9.2%) | Cardinal and Gold Aquatics | 10/03/2025 | 2025 Aimee McCormick Turrall Memorial Meet | |
| 1991 | Cormac Fallon | 47.21 | 10 | B Min | BB: 42.89 (+4.32s | 9.2%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 1992 | Owen Monahan | 47.21 | 10 | B Min | BB: 42.89 (+4.32s | 9.2%) | Viking Aquatic Club | 01/23/2026 | 2026 MR HAWKS AD Trials And Finals | |
| 1993 | Kingston Arencibia | 47.22 | 6 | B Min | BB: 42.89 (+4.33s | 9.2%) | Cavalier Aquatics/Piedmont Fam | 01/31/2026 | LY Vs CA Y January Dual | |
| 1994 | Zubair Saifullah | 47.22 | 8 | B Min | BB: 42.89 (+4.33s | 9.2%) | YMCA East Hampton Hurricanes | 01/30/2026 | 2026 MR SSC Polar Bear Plunge | |
| 1995 | Jhoel Lojano | 47.22 | 9 | B Min | BB: 42.89 (+4.33s | 9.2%) | Condors Swim Club | 03/27/2026 | 2026 MR Metro Bronze Championship North | |
| 1996 | Conall Mason | 47.23 | 8 | B Min | BB: 42.89 (+4.34s | 9.2%) | York Swim Club of Northern Vir | 11/02/2025 | 2025 November Friendship Mini Meet | |
| 1997 | Daniel Zhou | 47.24 | 8 | B Min | BB: 42.89 (+4.35s | 9.2%) | Arctic Aquatics | 11/14/2025 | 2025 NECRA Nov Distance Specialty Meet Co | |
| 1998 | Ben Fritz | 47.25 | 10 | B Min | BB: 42.89 (+4.36s | 9.2%) | Quince Orchard Swim Academy | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 1999 | Hudson Latino | 47.25 | 8 | B Min | BB: 42.89 (+4.36s | 9.2%) | Westchester Aquatic Club | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 2000 | Callan Walker | 47.26 | 10 | B Min | BB: 42.89 (+4.37s | 9.2%) | Westport Weston Family YMCA Wa | 12/11/2025 | 2025 NE SHAWMUT Candy Cane 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.