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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Ely Marsh | 10.25 | 10 | AAAA Min | Sarasota Tsunami Swim Team | 02/22/2025 | 2025 Winter Intrasquad Meet | ||
| 2 | Gentry Blomme | 15.22 | 10 | AAAA Min | Central Minnesota Aquatics | 02/15/2026 | 2026 MN WAVE Frosty February Invite | ||
| 3 | Cavin Spruiell | 28.54 | 6 | AAAA Min | Walnut Creek Aquabears | 12/05/2025 | PC SC Senior Open PF | ||
| 4 | George Xuan | 32.10 | 10 | AAAA Min | Commonwealth Swimming | 08/06/2026 | 2026 NE LA August SCY Invitational | ||
| 5 | Kevin Zou | 34.10 | 10 | AAAA Min | Alto Swim Club | 03/20/2026 | SCY Spring Age Group Championships | ||
| 6 | Zhecheng Zhu | 34.40 | 10 | AAAA Min | Irvine Novaquatics | 04/09/2026 | 2026 Far Western SC Hosted By SCSC | ||
| 7 | Ethan Lucas | 34.78 | 10 | AAAA Min | Delaware Swim Team | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | ||
| 8 | Jercey Zhao | 34.81 | 10 | AAAA Min | Bellevue Club Swim Team | 03/19/2026 | 2026 Northwest Region AG Champs Approved | ||
| 9 | Changda Xun | 35.01 | 10 | AAAA Min | Delaware Swim Team | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | ||
| 10 | Thomas Afonin | 35.09 | 10 | AAAA Min | Shorefront Ym-Ywha | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | ||
| 11 | William Skinner | 35.13 | 12 | AAAA Min | Atlantis Swimming | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | ||
| 12 | Ethan Duncan | 35.26 | 10 | AAAA Min | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | ||
| 13 | Isaac Chapman | 35.31 | 10 | AAAA Min | SwimRVA | 03/12/2026 | 2026 Virginia Swimming SC Age Group Champions | ||
| 14 | Alexander Lyavzin | 35.38 | 10 | AAAA Min | SwimRight Team | 12/06/2025 | 2025 Pompano Beach Santa Claus Meet | ||
| 15 | Qurtis Lo | 35.40 | 10 | AAAA Min | Marlins Of Raleigh | 02/26/2026 | 2026 NCS SC AG CHAMPS | ||
| 16 | Shawn Wu | 35.72 | 10 | AAAA Min | Brea Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | ||
| 17 | Grant Geisler | 35.80 | 10 | AAAA Min | Huntsville Swim Association | 03/19/2026 | 2026 NC TAC ESSZ Age Group Sectionals | ||
| 18 | Sebastian Gash | 35.89 | 10 | AAAA Min | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | ||
| 19 | Matthew Gonzalez | 35.96 | 10 | AAAA Min | Parkland Aquatic Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | ||
| 20 | Robert Mulder | 36.00 | 10 | AAAA Min | Badger Swim Club,Inc. | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | ||
| 21 | Tim Slafsky | 36.03 | 10 | AAAA Min | Nelson | 02/13/2026 | 2026 OR HS 6A 4 | ||
| 22 | Jeffrey Xiong | 36.07 | 10 | AAAA Min | Arctic Aquatics | 05/01/2026 | 2026 NE ARCT Spring Specialty Meet | ||
| 23 | Samik Dangol | 36.14 | 10 | AAAA Min | Stingrays Swim Team | 03/12/2026 | 2026 Virginia Swimming SC Age Group Champions | ||
| 24 | Logan Liew | 36.21 | 10 | AAAA Min | Streamliner Aquatics | 04/09/2026 | 2026 Far Western SC Hosted By SCSC | ||
| 25 | Arnas Thompson | 36.33 | 10 | AAAA Min | Saint Andrew\\\\\\'s Aquatics | 03/05/2026 | 2026 FG Age Group SCY Championships | ||
| 26 | Eli Stitzenberg | 36.37 | 9 | AAAA Min | North Carolina Aquatic Club | 02/26/2026 | 2026 NCS SC AG CHAMPS | ||
| 27 | Robert Legg | 36.38 | 10 | AAAA Min | Pleasanton Seahawks | 01/10/2026 | Pleasanton Seahawks SCY C B BB+ Meet | ||
| 28 | Jordan Hong | 36.45 | 10 | AAA Min | AAAA: 36.39 (+0.06s | 0.2%) | Jersey Flyers Aquatic Club | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 29 | Nathan Huo | 36.47 | 5 | AAA Min | AAAA: 36.39 (+0.08s | 0.2%) | Soda Fall | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 30 | Rubix Szolusha | 36.58 | 10 | AAA Min | AAAA: 36.39 (+0.19s | 0.5%) | Santa Clara Swim Club | 10/25/2025 | GGST Spooktacular 2025 | |
| 31 | Benjamin Balmaceda | 36.65 | 10 | AAA Min | AAAA: 36.39 (+0.26s | 0.7%) | Alamo Heights Aquatic Club ? A | 02/20/2026 | 2026 ST AAAA SC STAGS | |
| 32 | Rossi Cofield | 36.68 | 9 | AAA Min | AAAA: 36.39 (+0.29s | 0.8%) | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 33 | Isen Wolfe | 36.68 | 10 | AAA Min | AAAA: 36.39 (+0.29s | 0.8%) | Saint Petersburg Aquatics | 02/27/2026 | 2026 Spring Area 3 Championships | |
| 34 | Will Parker | 36.68 | 10 | AAA Min | AAAA: 36.39 (+0.29s | 0.8%) | Tidal Wave Aquatics | 03/12/2026 | 2026 OH SC Junior Championships | |
| 35 | Joshua Bond | 36.74 | 10 | AAA Min | AAAA: 36.39 (+0.35s | 1.0%) | Socal Aquatics Association | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 36 | Simon Thai | 36.75 | 10 | AAA Min | AAAA: 36.39 (+0.36s | 1.0%) | Adrienne C Nelson | 02/15/2025 | 2025 OR HS 6a 4 | |
| 37 | Jorden Li | 36.86 | 10 | AAA Min | AAAA: 36.39 (+0.47s | 1.3%) | Arctic Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 38 | Cristiano Dawson | 36.88 | 10 | AAA Min | AAAA: 36.39 (+0.49s | 1.3%) | SwimMAC Carolina | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 39 | Dennis Hauser | 36.92 | 10 | AAA Min | AAAA: 36.39 (+0.53s | 1.4%) | Asphalt Green Unified Aquatics | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 40 | Tyrus Lu | 36.96 | 10 | AAA Min | AAAA: 36.39 (+0.57s | 1.5%) | Tac Titans | 03/19/2026 | 2026 NC TAC ESSZ Age Group Sectionals | |
| 41 | Johann Gomez Ugalde | 36.97 | 10 | AAA Min | AAAA: 36.39 (+0.58s | 1.6%) | Sharks | 03/27/2026 | 2026 Sunshine State Showcase | |
| 42 | Leo Stevens | 36.97 | 10 | AAA Min | AAAA: 36.39 (+0.58s | 1.6%) | YMCA of the Triangle Area Swim | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 43 | Mason Petrocelli | 37.02 | 10 | AAA Min | AAAA: 36.39 (+0.63s | 1.7%) | Team Suffolk | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 44 | Daniel Lazar | 37.05 | 10 | AAA Min | AAAA: 36.39 (+0.66s | 1.8%) | Coast Aquatics | 05/08/2026 | Friday Night Lights | |
| 45 | Aurelius Lien | 37.06 | 9 | AAA Min | AAAA: 36.39 (+0.67s | 1.8%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 46 | Ezz Abdelhadi | 37.14 | 10 | AAA Min | AAAA: 36.39 (+0.75s | 2.0%) | Palo Alto Stanford Aquatics | 04/09/2026 | 2026 Far Western SC Hosted By SCSC | |
| 47 | Max Lin | 37.14 | 10 | AAA Min | AAAA: 36.39 (+0.75s | 2.0%) | Irvine Novaquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 48 | Benjamin Rozensztroch | 37.15 | 7 | AAA Min | AAAA: 36.39 (+0.76s | 2.0%) | Miami Country Day School | 10/15/2025 | 2025 South Florida MS Champs USA S OBS | |
| 49 | Marco Sun | 37.23 | 10 | AAA Min | AAAA: 36.39 (+0.84s | 2.3%) | Pleasanton Seahawks | 04/09/2026 | 2026 Far Western SC Hosted By SCSC | |
| 50 | Keegan Donnelly | 37.26 | 10 | AAA Min | AAAA: 36.39 (+0.87s | 2.3%) | Mason Makos Swim Team | 12/04/2025 | 2025 Sport Fair Winter 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.