USA Boys 10 & under - 50 Y Breast
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2151 | Charles Li | 48.67 | 9 | B Min | BB: 47.69 (+0.98s | 2.0%) | South San Francisco Aquatics | 10/24/2026 | PSL Pumpkin Spice Splash | |
| 2152 | Kendrick Cui | 48.67 | 9 | B Min | BB: 47.69 (+0.98s | 2.0%) | West Coast Aquatics | 09/26/2026 | 2026 PN IST Sockeye Sprints Approved | |
| 2153 | Jayce Knoke | 48.68 | 10 | B Min | BB: 47.69 (+0.99s | 2.0%) | Grand Traverse Bay YMCA Breake | 03/07/2026 | 2026 Michigan YMCA State Championship | |
| 2154 | Adam Naftaly | 48.68 | 10 | B Min | BB: 47.69 (+0.99s | 2.0%) | Scarlet Aquatics | 01/10/2026 | 2026 PTAC Tiger Invitational | |
| 2155 | Colin Lan | 48.68 | 8 | B Min | BB: 47.69 (+0.99s | 2.0%) | Tnt Swimming | 10/02/2026 | 2026 Vance Rose Invitational | |
| 2156 | Miles Deery | 48.68 | 9 | B Min | BB: 47.69 (+0.99s | 2.0%) | Sarasota Tsunami Swim Team | 10/17/2026 | 2026 SPEEDO OCROBERFEST Swim Meet | |
| 2157 | Maximilian Zhou | 48.68 | 9 | B Min | BB: 47.69 (+0.99s | 2.0%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 2158 | Daniel Rondel | 48.69 | 9 | B Min | BB: 47.69 (+1.00s | 2.1%) | Wave Aquatics | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 2159 | Grady Wargo | 48.70 | 9 | B Min | BB: 47.69 (+1.01s | 2.1%) | YMCA of Middletown Barracudas | 01/23/2026 | 2026 MR HAWKS AD Trials And Finals | |
| 2160 | Juwon Kang | 48.70 | 10 | B Min | BB: 47.69 (+1.01s | 2.1%) | Carrollton Bluefins | 01/17/2026 | 2026 GOAT TYR Team Challenge And SYOA | |
| 2161 | Jack Cook | 48.70 | 10 | B Min | BB: 47.69 (+1.01s | 2.1%) | Swim Kauai Aquatics | 08/22/2026 | 19th Annual Kauai Classic | |
| 2162 | John Sanchez Cespedes | 48.70 | 10 | B Min | BB: 47.69 (+1.01s | 2.1%) | Coast Aquatics | 05/08/2026 | Friday Night Lights | |
| 2163 | Irving Huynh | 48.71 | 9 | B Min | BB: 47.69 (+1.02s | 2.1%) | Meadow | 11/10/2024 | Fall Jamboree Invitational 2024 | |
| 2164 | Evan Walker | 48.71 | 9 | B Min | BB: 47.69 (+1.02s | 2.1%) | Battlefield Area Star Swimmers | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 2165 | Marcus Zhu | 48.71 | 10 | B Min | BB: 47.69 (+1.02s | 2.1%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 2166 | Aiden Mayer | 48.71 | 10 | B Min | BB: 47.69 (+1.02s | 2.1%) | Htx Swims | 02/21/2025 | 2025 Gulf 12 Under Champs (NOCH) | |
| 2167 | Luiz Laurentino | 48.71 | 10 | B Min | BB: 47.69 (+1.02s | 2.1%) | YMCA of the Triangle Area Swim | 07/25/2026 | 2026 RSA Flip Flop | |
| 2168 | Jason Jang-Gutterman | 48.71 | 9 | B Min | BB: 47.69 (+1.02s | 2.1%) | Nitro Swimming | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
| 2169 | Jaden Langley | 48.72 | 9 | B Min | BB: 47.69 (+1.03s | 2.1%) | Rocky Mountain Rapids | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 2170 | Liam Servinsky | 48.72 | 10 | B Min | BB: 47.69 (+1.03s | 2.1%) | Potomac Marlins | 03/20/2026 | March Madness 2026 | |
| 2171 | Lucas Ferguson | 48.72 | 10 | B Min | BB: 47.69 (+1.03s | 2.1%) | Aquatic Team Of Mecklenburg | 01/23/2026 | 2026 TEAM Arena Western Open Copied | |
| 2172 | Sawyer Ranz | 48.72 | 10 | B Min | BB: 47.69 (+1.03s | 2.1%) | Seahawks Swim club | 09/12/2026 | 2026 Seahawks Dive Back In | |
| 2173 | Luke Allen | 48.72 | 9 | B Min | BB: 47.69 (+1.03s | 2.1%) | Life Time Northern California | 09/26/2026 | 2026 CCA Spook Tacular | |
| 2174 | Jackson May | 48.73 | 10 | B Min | BB: 47.69 (+1.04s | 2.1%) | Unattached | 02/19/2026 | 2026 OH UASC SC Regional Championships | |
| 2175 | Mason Jones | 48.73 | 10 | B Min | BB: 47.69 (+1.04s | 2.1%) | Bayside Aquatics | 05/02/2026 | 2026 MAC May Hem Mini Meet | |
| 2176 | Tristan Zhang | 48.73 | 9 | B Min | BB: 47.69 (+1.04s | 2.1%) | SwimMAC Carolina | 03/07/2026 | 2026 SwimMAC BC Championship | |
| 2177 | Barrett Wright | 48.73 | 9 | B Min | BB: 47.69 (+1.04s | 2.1%) | North Coast Aquatics | 10/17/2026 | 2026 SI RSD All Ages NTS Meet | |
| 2178 | Ian Sickles | 48.74 | 9 | B Min | BB: 47.69 (+1.05s | 2.2%) | Hawks Swimming Association | 11/14/2025 | 2025 MR VAC Viking Classic Invitational | |
| 2179 | Kairui Yang | 48.74 | 10 | B Min | BB: 47.69 (+1.05s | 2.2%) | Lifetime Swim Team North Carol | 12/12/2025 | 2025 NC QCD Holiday Invite | |
| 2180 | Barron Vellonen | 48.74 | 10 | B Min | BB: 47.69 (+1.05s | 2.2%) | Monterey Bay Swim Club | 10/03/2026 | Quicksilver Santa Cruz Competencia 2026 | |
| 2181 | Shun Mohri | 48.75 | 10 | B Min | BB: 47.69 (+1.06s | 2.2%) | Spartan Aquatic Club | 11/01/2025 | Greater Kalamazoo Arena Challenge | |
| 2182 | Kian Ray | 48.75 | 10 | B Min | BB: 47.69 (+1.06s | 2.2%) | Bethesda-Chevy Chase YMCA | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 2183 | Massimo Sclafani | 48.75 | 9 | B Min | BB: 47.69 (+1.06s | 2.2%) | Webbs Tornadoes Swim Team | 01/30/2026 | 2026 NE CS Silver Championships | |
| 2184 | Janav Sompalli | 48.75 | 7 | B Min | BB: 47.69 (+1.06s | 2.2%) | Gilroy Gators Swim Team | 09/19/2026 | 2026 Milpitas Aquatic Club Season Kick Off | |
| 2185 | Enoch Wang | 48.75 | 9 | B Min | BB: 47.69 (+1.06s | 2.2%) | Bainbridge Island Swim Club | 09/13/2026 | 2026 PN BISC Season Opening Blue Gold Appr | |
| 2186 | Kaden Chiu | 48.75 | 10 | B Min | BB: 47.69 (+1.06s | 2.2%) | Pack Swim Team of Pittsford | 10/24/2026 | 2026 Victor Halloween Classic | |
| 2187 | Zimo Xu | 48.76 | 10 | B Min | BB: 47.69 (+1.07s | 2.2%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 2188 | Finn Demarest | 48.76 | 9 | B Min | BB: 47.69 (+1.07s | 2.2%) | Suburban Aquatics | 12/21/2025 | 2025 PAC 10 U Reindeer Games | |
| 2189 | Cooper Proulx | 48.76 | 10 | B Min | BB: 47.69 (+1.07s | 2.2%) | Kent County YMCA | 01/24/2026 | 2026 NE KCY New Year S Splash | |
| 2190 | Eli Li | 48.76 | 10 | B Min | BB: 47.69 (+1.07s | 2.2%) | Rockville Montgomery Swim Club | 11/01/2025 | 2025 RMSC Autumn 350 Challenge Meet | |
| 2191 | Yooahn Chang | 48.76 | 9 | B Min | BB: 47.69 (+1.07s | 2.2%) | Jersey Aquatic Club | 02/21/2026 | CAT 12 Under Silver Bronze Champs Region A | |
| 2192 | Benjamin Liang | 48.76 | 10 | B Min | BB: 47.69 (+1.07s | 2.2%) | Waterloo Swimming | 09/27/2025 | 2025 ST ASC IMR IMX Challenge | |
| 2193 | Seamus Kelly | 48.76 | 8 | B Min | BB: 47.69 (+1.07s | 2.2%) | Greenwood Tiger Sharks | 10/10/2026 | 2026 CO FST Swim Pink | |
| 2194 | Shang Huang | 48.76 | 9 | B Min | BB: 47.69 (+1.07s | 2.2%) | Saint Petersburg Aquatics | 09/18/2026 | Kiefer Speedo Fall Invitational | |
| 2195 | Christopher Roeder | 48.76 | 10 | B Min | BB: 47.69 (+1.07s | 2.2%) | Aspen Swim Club | 10/10/2026 | 2026 CO Aspen Swim Meet | |
| 2196 | Nicholas Galvin | 48.77 | 10 | B Min | BB: 47.69 (+1.08s | 2.2%) | Sarasota Sharks | 11/07/2025 | 2025 SYS Turkey Meet | |
| 2197 | John Sanchez Cespedes | 48.77 | 10 | B Min | BB: 47.69 (+1.08s | 2.2%) | Coast Aquatics | 02/13/2026 | 2026 SES Region 4 Championships | |
| 2198 | Houston Coghill | 48.77 | 10 | B Min | BB: 47.69 (+1.08s | 2.2%) | SwimEnergy Aquatics | 11/21/2025 | 2025 RAFC Almost Turkey Invitational | |
| 2199 | Wesley Baird | 48.77 | 10 | B Min | BB: 47.69 (+1.08s | 2.2%) | Empire Swimming | 07/30/2026 | 2026 NE CRA Prelim Final SCY Meet | |
| 2200 | Beckham Allen | 48.77 | 10 | B Min | BB: 47.69 (+1.08s | 2.2%) | Pikes Peak Athletics | 10/16/2026 | 2026 CO PPA Harvest Heats | |
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.