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 | |
|---|---|---|---|---|---|---|---|---|---|
| 6201 | Isaac Lee | 48.81 | 10 | B: 48.29 (+0.52s | 1.1%) | Machine Aquatics | 10/18/2025 | 2025 NCAP Autumn Kingfish Splash | ||
| 6202 | Alexander Carpenter | 48.81 | 9 | B: 48.29 (+0.52s | 1.1%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 10/17/2025 | 2025 OLY Fall Classic | ||
| 6203 | Andy Shi | 48.81 | 9 | B: 48.29 (+0.52s | 1.1%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | ||
| 6204 | Neal Grundy | 48.81 | 10 | B: 48.29 (+0.52s | 1.1%) | M.E. Lyons/Anderson Barracudas | 02/19/2026 | 2026 OH CM SC Regional Championships | ||
| 6205 | Wyatt Christopherson | 48.82 | 9 | B: 48.29 (+0.53s | 1.1%) | Tillamook YMCA Sharks | 01/25/2026 | 2026 Winter Invite | ||
| 6206 | Brendan Sherman | 48.82 | 8 | B: 48.29 (+0.53s | 1.1%) | Prince William Swim Club | 02/13/2026 | 2026 Northern District 12 Under Championship | ||
| 6207 | Noah Weinstein | 48.82 | 10 | B: 48.29 (+0.53s | 1.1%) | The Capitol Sea Devils | 02/20/2026 | 2026 Machine Qualifier | ||
| 6208 | Alex Hirata | 48.82 | 10 | B: 48.29 (+0.53s | 1.1%) | DeAnza Cupertino Aquatics | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 6209 | Micah Groysman | 48.83 | 9 | B: 48.29 (+0.54s | 1.1%) | Lifetime | 01/09/2026 | 2026 NE NSSC January 9 11 BC Meet | ||
| 6210 | Andrew Baxter | 48.83 | 8 | B: 48.29 (+0.54s | 1.1%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | ||
| 6211 | Gabriel Rhodes-Ondi | 48.83 | 10 | B: 48.29 (+0.54s | 1.1%) | Treasure Coast Swimming | 12/13/2025 | Harry Meisel Championships East Copied | ||
| 6212 | Nicolas Chapman | 48.84 | 10 | B: 48.29 (+0.55s | 1.1%) | Park City Swimming | 07/28/2025 | PC Finale | ||
| 6213 | Wyatt Harrison | 48.84 | 9 | B: 48.29 (+0.55s | 1.1%) | Univ. of Denver Hilltoppers | 02/13/2026 | 2026 CO NJ Groundhog Invite | ||
| 6214 | Joey de Bear | 48.84 | 9 | B: 48.29 (+0.55s | 1.1%) | Upper Arlington Swim Club | 02/19/2026 | 2026 OH UASC SC Regional Championships | ||
| 6215 | Kosta Petrosian | 48.84 | 9 | B: 48.29 (+0.55s | 1.1%) | Academy Swim Club | 02/07/2026 | BIG ISLAND SWIMMING @ KCAC | ||
| 6216 | Jeffrey Miller | 48.84 | 9 | B: 48.29 (+0.55s | 1.1%) | Nova of Virginia | 01/09/2026 | NOVA New Year S Kick Off | ||
| 6217 | Kaycen Rodriguez | 48.85 | 10 | B: 48.29 (+0.56s | 1.1%) | Nampa Swim Team | 12/06/2025 | Reindeer Games 2025 | ||
| 6218 | Evan Lambiotte | 48.85 | 10 | B: 48.29 (+0.56s | 1.1%) | Thurston Olympians Swim Club | 05/16/2026 | 2026 PN TOSC OST PAC May Meet Approved | ||
| 6219 | Cristian Gomez | 48.85 | 10 | B: 48.29 (+0.56s | 1.1%) | Life Time Houston Swim Team | 12/20/2024 | MAC Hosted 2024 Gulf Fall Champs | ||
| 6220 | Conor O'Donnell | 48.85 | 10 | B: 48.29 (+0.56s | 1.1%) | York Swim Club of Northern Vir | 11/14/2025 | 2025 PV November Open Franconia | ||
| 6221 | Ezekiel Logan | 48.86 | 9 | B: 48.29 (+0.57s | 1.2%) | Prime Aquatics | 01/16/2026 | 2026 TNAQ JANUARY INVITATIONAL | ||
| 6222 | Brayden Dolliver | 48.86 | 10 | B: 48.29 (+0.57s | 1.2%) | River Falls Swim Club | 12/07/2024 | 2024 MN OMNI Winter Waves | ||
| 6223 | Isaac Pearce | 48.86 | 8 | B: 48.29 (+0.57s | 1.2%) | Aces Swim Club | 01/23/2026 | 2026 CO TOPS Colorado Open | ||
| 6224 | Oscar Zheng | 48.86 | 10 | B: 48.29 (+0.57s | 1.2%) | South Shore YMCA Strypers | 06/07/2026 | 2026 NE NSSC June Invitational At BC High | ||
| 6225 | Malek Abdallah | 48.86 | 10 | B: 48.29 (+0.57s | 1.2%) | Houston Cougars | 02/21/2025 | 2025 Gulf 12 Under Champs (DADS) | ||
| 6226 | Scott Malfi | 48.86 | 10 | B: 48.29 (+0.57s | 1.2%) | Naval Academy Aquatic Club | 02/14/2026 | EST Vs NAAC Dual Meet | ||
| 6227 | Sam Lin | 48.86 | 10 | B: 48.29 (+0.57s | 1.2%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | ||
| 6228 | Jaechul Jung | 48.87 | 9 | B: 48.29 (+0.58s | 1.2%) | Palo Alto Stanford Aquatics | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | ||
| 6229 | Kyle Jung | 48.87 | 10 | B: 48.29 (+0.58s | 1.2%) | Excel Aquatics | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | ||
| 6230 | Franco Proietto | 48.87 | 10 | B: 48.29 (+0.58s | 1.2%) | East Carolina Aquatics | 03/27/2026 | 2026 ECA ECSL Championships | ||
| 6231 | Kaspian Hsu | 48.88 | 9 | B: 48.29 (+0.59s | 1.2%) | Kingfish Swimming Medfield | 03/13/2026 | 2026 NE CRA End Of Season March Invite | ||
| 6232 | Elam Frazier | 48.88 | 10 | B: 48.29 (+0.59s | 1.2%) | Colorado Blue | 02/01/2026 | 2026 CO FORM February Freeze | ||
| 6233 | Milan Miljkovic | 48.88 | 9 | B: 48.29 (+0.59s | 1.2%) | Raleigh Swimming Association | 10/11/2025 | 2025 CAT Rock The Block | ||
| 6234 | Benjamin Schmitz | 48.88 | 9 | B: 48.29 (+0.59s | 1.2%) | The Fish | 01/17/2026 | 2026 PV January Open Audrey Moore | ||
| 6235 | Theo Rogalsky | 48.88 | 10 | B: 48.29 (+0.59s | 1.2%) | Gold Coast Swim Team | 11/07/2025 | SCAT Open | ||
| 6236 | Jeon Spears | 48.89 | 10 | B: 48.29 (+0.60s | 1.2%) | COSA Swimming | 03/14/2026 | 2026 CO Zone 5 Championships | ||
| 6237 | Ashwath Kaligotla | 48.89 | 8 | B: 48.29 (+0.60s | 1.2%) | Benton Harbor-St. Joseph YMCA | 03/07/2026 | 2026 Michigan YMCA State Championship | ||
| 6238 | Benjamin Xu | 48.89 | 10 | B: 48.29 (+0.60s | 1.2%) | Greensboro Community YMCA | 12/05/2025 | 2025 TYDE Winter Championship | ||
| 6239 | Max Bai | 48.89 | 8 | B: 48.29 (+0.60s | 1.2%) | Rockville Montgomery Swim Club | 11/08/2025 | 2025 Autumn Mini Meet | ||
| 6240 | Archie Aguirres | 48.89 | 9 | B: 48.29 (+0.60s | 1.2%) | Laramie Swim Club | 01/23/2026 | 2026 CO FAST Winter Open | ||
| 6241 | Sahil Patel | 48.90 | 9 | B: 48.29 (+0.61s | 1.2%) | Ensworth Aquatics | 09/20/2025 | 2025 September Invitational | ||
| 6242 | Hudson Kraner | 48.90 | 10 | B: 48.29 (+0.61s | 1.2%) | Fast | 03/07/2026 | 2026 GTWY 8 Under Champs | ||
| 6243 | Faddey Nosenko | 48.90 | 10 | B: 48.29 (+0.61s | 1.2%) | Sporting Jax Aquatic Club | 10/25/2025 | 2025 SJAC Halloween Invitational | ||
| 6244 | Rishi Ladner | 48.90 | 8 | B: 48.29 (+0.61s | 1.2%) | Nova of Virginia | 01/09/2026 | NOVA New Year S Kick Off | ||
| 6245 | Max Rufe | 48.91 | 10 | B: 48.29 (+0.62s | 1.3%) | Potomac Marlins | 03/20/2026 | March Madness 2026 | ||
| 6246 | Austin Lockrem | 48.91 | 10 | B: 48.29 (+0.62s | 1.3%) | Red Wing Swim Club | 03/27/2026 | 2026 MN RWSC Fall Winter Mini Meet Champs | ||
| 6247 | Ethan James | 48.91 | 10 | B: 48.29 (+0.62s | 1.3%) | Quince Orchard Swim Academy | 03/20/2026 | 2026 RMSC Spring Finale | ||
| 6248 | Shiv Bhatt | 48.91 | 10 | B: 48.29 (+0.62s | 1.3%) | Herndon Aquatic Club | 03/21/2026 | 2026 MAKO SPRING FLING | ||
| 6249 | Lakota Hayden | 48.91 | 10 | B: 48.29 (+0.62s | 1.3%) | Unattached | 10/25/2025 | Superior Aquatics Monster Splash | ||
| 6250 | Lowell Salazar | 48.91 | 10 | B: 48.29 (+0.62s | 1.3%) | Tule Nation Tritons | 12/07/2024 | TNT Winterfest ABC Swim 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.