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 | |
|---|---|---|---|---|---|---|---|---|---|
| 9101 | Daniel Martinez de Lira | 54.53 | 9 | B: 48.29 (+6.24s | 11.4%) | Quicksilver Swimming | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | ||
| 9102 | Liam Breslin | 54.54 | 7 | B: 48.29 (+6.25s | 11.5%) | Mason Makos Swim Team | 03/21/2026 | 2026 MAKO SPRING FLING | ||
| 9103 | Michael Eraso | 54.54 | 8 | B: 48.29 (+6.25s | 11.5%) | Arena Club Aquatics | 11/01/2025 | 2025 Bridget Vache Memorial MAC Fall Frenzy | ||
| 9104 | Vitus Wei | 54.54 | 9 | B: 48.29 (+6.25s | 11.5%) | Cascade Swim Club | 04/18/2026 | 2026 PN MMSC Marlins Madness Approved | ||
| 9105 | Jasper Gaffney | 54.54 | 10 | B: 48.29 (+6.25s | 11.5%) | Hood River Valley Swim Team | 10/18/2025 | 2025 HRVST Harvest Of Gold Invitational | ||
| 9106 | Jack Witt | 54.54 | 9 | B: 48.29 (+6.25s | 11.5%) | Tule Nation Tritons | 01/10/2026 | 2026 Clovis Swim Club Winter Open | ||
| 9107 | Jackson Dodd | 54.55 | 10 | B: 48.29 (+6.26s | 11.5%) | Escalate Aquatic Team | 11/23/2024 | 2024 BATS November Meet | ||
| 9108 | Albert Shapiro | 54.55 | 9 | B: 48.29 (+6.26s | 11.5%) | Burlingame Aquatics | 01/10/2026 | BAC Norman Cutler Memorial | ||
| 9109 | Caleb Dickson | 54.55 | 10 | B: 48.29 (+6.26s | 11.5%) | Huntsville Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | ||
| 9110 | Jonah Curry | 54.55 | 9 | B: 48.29 (+6.26s | 11.5%) | Merritt Athletic Swimming | 12/21/2025 | The Grinch Stole My Times (9 O BB Slowe) 2025 | ||
| 9111 | Nolan Patterson | 54.55 | 9 | B: 48.29 (+6.26s | 11.5%) | Ybac Hurricanes | 11/15/2025 | YBAC Fall Invite 25 | ||
| 9112 | Aiden Au | 54.55 | 9 | B: 48.29 (+6.26s | 11.5%) | South Shore YMCA Strypers | 05/10/2026 | 2026 NE NSSC Invitational At BC High | ||
| 9113 | Charles London | 54.55 | 9 | B: 48.29 (+6.26s | 11.5%) | Kent County YMCA | 02/28/2026 | 2026 NE KCY A SENECY LEAGUE CHAMPS | ||
| 9114 | Landon Fleshman | 54.55 | 10 | B: 48.29 (+6.26s | 11.5%) | Obx Swim Club | 02/13/2026 | 2026 Southeast District 9 12 Championship | ||
| 9115 | Adam Moussawel | 54.55 | 7 | B: 48.29 (+6.26s | 11.5%) | Sporting Jax Aquatic Club | 06/26/2026 | 2026 SwimRise Season Finale | ||
| 9116 | Emerson Mitchell | 54.56 | 7 | B: 48.29 (+6.27s | 11.5%) | Mason Makos Swim Team | 02/07/2026 | 2026 MAKO QUALIFIER | ||
| 9117 | Julian Villegas | 54.56 | 7 | B: 48.29 (+6.27s | 11.5%) | Southwest Aquatic Team | 02/22/2026 | 2026 BD SC Jr Border Championship | ||
| 9118 | Benjamin Gianakas | 54.56 | 9 | B: 48.29 (+6.27s | 11.5%) | Stingrays Swim Team | 10/18/2025 | 2025 RAYS Great Pumpkin Splash Invitational | ||
| 9119 | Aditya Anand | 54.57 | 8 | B: 48.29 (+6.28s | 11.5%) | Cottonwood Heights Aquatics | 09/12/2025 | 2025 CHAT SDAT September Dual | ||
| 9120 | Quinnton Epperson | 54.57 | 10 | B: 48.29 (+6.28s | 11.5%) | Sharks Swim Club | 10/12/2024 | 2024 DADS October Developmental Tri Meet | ||
| 9121 | Reyansh Shah | 54.57 | 9 | B: 48.29 (+6.28s | 11.5%) | South Valley Makos | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | ||
| 9122 | Armin Valdes | 54.57 | 8 | B: 48.29 (+6.28s | 11.5%) | EL Paso Border Land Swim Team | 12/07/2025 | 2025 BD Del Norte #3 | ||
| 9123 | Beckett Leigh | 54.57 | 9 | B: 48.29 (+6.28s | 11.5%) | Los Gatos Swim Club | 03/01/2025 | Santa Clara Swim Club Race To AG Champs | ||
| 9124 | Tyler Miller | 54.57 | 7 | B: 48.29 (+6.28s | 11.5%) | North Jeffco Swim Team | 02/13/2026 | 2026 CO NJ Groundhog Invite | ||
| 9125 | Hunter Parsill | 54.57 | 10 | B: 48.29 (+6.28s | 11.5%) | West | 10/06/2024 | 2024 ST TXLA 10 U Fall Kick Off | ||
| 9126 | Jacob Thannisch | 54.58 | 7 | B: 48.29 (+6.29s | 11.5%) | Rocky Mountain Rapids | 12/19/2025 | 2025 CO Falfins Holiday Open | ||
| 9127 | Jacob Vedra | 54.58 | 9 | B: 48.29 (+6.29s | 11.5%) | Foothills Swim Team | 01/16/2026 | 2026 CO CUDA Classic | ||
| 9128 | Maverick Scoggin | 54.59 | 8 | B: 48.29 (+6.30s | 11.5%) | Napa Valley Swim Team | 09/20/2025 | WANV CBA+ Endless Summer Meet | ||
| 9129 | Finneran Chen | 54.59 | 10 | B: 48.29 (+6.30s | 11.5%) | Chinook Aquatic Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 2 | ||
| 9130 | Louis Vito | 54.60 | 7 | B: 48.29 (+6.31s | 11.6%) | Durango Swim Club | 04/17/2026 | 2026 CO Jolean Scott Memorial | ||
| 9131 | Yang Peng | 54.60 | 7 | B: 48.29 (+6.31s | 11.6%) | Aquajets Swim Team | 06/20/2026 | 2026 MN AQJT June | ||
| 9132 | Jackson Markham | 54.60 | 9 | B: 48.29 (+6.31s | 11.6%) | Team Sopris Swimming | 05/17/2025 | 2025 CO Western Slope IM Challenge | ||
| 9133 | Myles Dreher | 54.60 | 9 | B: 48.29 (+6.31s | 11.6%) | Carolina Aquatic Team | 12/13/2025 | 2025 Ugly Sweater Meet | ||
| 9134 | Gavin Tong | 54.60 | 7 | B: 48.29 (+6.31s | 11.6%) | Blue Dolphin Swim Team | 10/18/2025 | 2025 PN IST Fall Open | ||
| 9135 | Julian Shreibati | 54.60 | 10 | B: 48.29 (+6.31s | 11.6%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | ||
| 9136 | Sage McGoogan | 54.61 | 8 | B: 48.29 (+6.32s | 11.6%) | Portland Aquatic Club | 04/24/2026 | 2026 Celebrate PAC Team Intrasquad Meet | ||
| 9137 | Henry Seay | 54.61 | 8 | B: 48.29 (+6.32s | 11.6%) | Memphis Thunder Aquatic Club | 02/14/2026 | 2026 SC MTAC Last Chance Meet | ||
| 9138 | Sebastian Flores | 54.61 | 10 | B: 48.29 (+6.32s | 11.6%) | Sea to Desert Swim Association | 10/04/2025 | 2025 SI CAST Pentathlon 14 U Copied | ||
| 9139 | Lucas LeJanairo | 54.62 | 8 | B: 48.29 (+6.33s | 11.6%) | DeAnza Cupertino Aquatics | 12/06/2025 | Alto Dec 6 7 CBA | ||
| 9140 | Alexander Shih | 54.62 | 8 | B: 48.29 (+6.33s | 11.6%) | Bend Swim Club | 02/04/2026 | 2026 Bend Swim Club Intersquad Challenger | ||
| 9141 | Liam Watt | 54.62 | 9 | B: 48.29 (+6.33s | 11.6%) | Alamo Heights Aquatic Club ? A | 02/24/2026 | 2026 ST AAAA NS End Of Season Race Nights | ||
| 9142 | Wesley Koo | 54.62 | 9 | B: 48.29 (+6.33s | 11.6%) | South Shore YMCA Strypers | 06/07/2026 | 2026 NE NSSC June Invitational At BC High | ||
| 9143 | Emmett Collison | 54.63 | 9 | B: 48.29 (+6.34s | 11.6%) | Bemidji Area Super Swimmers | 01/31/2026 | 2026 MN DL Sunfish Invite | ||
| 9144 | Kenzo Kanzaki | 54.63 | 7 | B: 48.29 (+6.34s | 11.6%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR Metro 8 Under Championships | ||
| 9145 | Adam Lindahl | 54.63 | 10 | B: 48.29 (+6.34s | 11.6%) | Andover-North Andover YMCA Hur | 01/03/2026 | 2026 NE GLYB A Cookie Classic | ||
| 9146 | Brock Georgievski | 54.63 | 9 | B: 48.29 (+6.34s | 11.6%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | ||
| 9147 | Gabriel Netsch | 54.64 | 8 | B: 48.29 (+6.35s | 11.6%) | Club Wolverine | 01/16/2026 | SLA Arctic Blast 2026 | ||
| 9148 | Edward Nogler | 54.64 | 8 | B: 48.29 (+6.35s | 11.6%) | Metro Marlins Swim Team | 01/10/2026 | 2026 MN MONC New Years Invite | ||
| 9149 | Ryan Kane | 54.64 | 9 | B: 48.29 (+6.35s | 11.6%) | Greater Lowell Family YMCA | 11/01/2025 | 2025 NE GLYB A Halloween Spook Tacu;ar Copi | ||
| 9150 | Owen Iammarino | 54.64 | 8 | B: 48.29 (+6.35s | 11.6%) | Great Lakes Sailfish Swimming | 02/19/2026 | 2026 OH Cleveland SC Regional Championships | ||
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.