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 | |
|---|---|---|---|---|---|---|---|---|---|
| 151 | Jonathan Miriovsky | 39.19 | 10 | AA Min | AAA: 38.29 (+0.90s | 2.3%) | Huntsville Swim Association | 03/19/2026 | 2026 NC TAC ESSZ Age Group Sectionals | |
| 152 | Eason Kim | 39.20 | 9 | AA Min | AAA: 38.29 (+0.91s | 2.3%) | All Star Aquatics | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 153 | Jackson Coslick | 39.23 | 9 | AA Min | AAA: 38.29 (+0.94s | 2.4%) | Annapolis Swim Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 154 | Isaac Varner | 39.24 | 9 | AA Min | AAA: 38.29 (+0.95s | 2.4%) | Upper Arlington Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 155 | Jason Ye | 39.25 | 10 | AA Min | AAA: 38.29 (+0.96s | 2.4%) | Alto Swim Club | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 156 | Sawyer Nichols | 39.26 | 10 | AA Min | AAA: 38.29 (+0.97s | 2.5%) | Opelika Swim Team | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 157 | Ilan Schiff | 39.28 | 10 | AA Min | AAA: 38.29 (+0.99s | 2.5%) | Arlington Aquatic Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 158 | Charlie Lockett | 39.30 | 10 | AA Min | AAA: 38.29 (+1.01s | 2.6%) | Nitro Swimming | 01/16/2026 | 2026 ST NTRO Winter Prelim Final Invite | |
| 159 | Cavan Clark | 39.30 | 10 | AA Min | AAA: 38.29 (+1.01s | 2.6%) | Uncle Sam Swim Team | 01/23/2026 | 2026 MR HAWKS AD Trials And Finals | |
| 160 | Brady Richeda | 39.32 | 9 | AA Min | AAA: 38.29 (+1.03s | 2.6%) | Rapids Swim Team | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 161 | Owen Tan | 39.33 | 9 | AA Min | AAA: 38.29 (+1.04s | 2.6%) | Hawaii Swimming Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 162 | Tyrus Lu | 39.33 | 10 | AA Min | AAA: 38.29 (+1.04s | 2.6%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 163 | Simon Feldman | 39.35 | 9 | AA Min | AAA: 38.29 (+1.06s | 2.7%) | Patriot Aquatics | 12/04/2025 | RAFC Winter Classic | |
| 164 | Emerson Cornelius | 39.37 | 10 | AA Min | AAA: 38.29 (+1.08s | 2.7%) | Westview | 02/14/2025 | 2025 OR HS 6a 2 | |
| 165 | Calvin Yang | 39.38 | 10 | AA Min | AAA: 38.29 (+1.09s | 2.8%) | Annapolis Swim Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 166 | Eddy Qian | 39.39 | 10 | AA Min | AAA: 38.29 (+1.10s | 2.8%) | Arctic Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 167 | Owen Vaiana | 39.41 | 9 | AA Min | AAA: 38.29 (+1.12s | 2.8%) | Michigan Lakeshore Aquatics | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 168 | Riccardo Sardena | 39.42 | 10 | AA Min | AAA: 38.29 (+1.13s | 2.9%) | Swim Team of Placentia | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 169 | Syrus Tracey | 39.43 | 10 | AA Min | AAA: 38.29 (+1.14s | 2.9%) | Lynchburg YMCA Swim Team | 01/31/2026 | LY Vs CA Y January Dual | |
| 170 | Ruslan Kondratenok | 39.43 | 10 | AA Min | AAA: 38.29 (+1.14s | 2.9%) | Charles River Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 171 | Isaac Zhang | 39.44 | 9 | AA Min | AAA: 38.29 (+1.15s | 2.9%) | First Colony Swim Team, Inc. | 12/06/2024 | 2024 Gulf Age Group Championships | |
| 172 | Lance Adams | 39.45 | 10 | AA Min | AAA: 38.29 (+1.16s | 2.9%) | Novi Sturgeons | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 173 | Allister Georgiou | 39.46 | 10 | AA Min | AAA: 38.29 (+1.17s | 3.0%) | McGrath Marlins Swim Team | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 174 | JC Marquez | 39.46 | 10 | AA Min | AAA: 38.29 (+1.17s | 3.0%) | Heritage Aquatic Team | 03/05/2026 | 2026 FG Age Group SCY Championships | |
| 175 | Bennett Cordero | 39.46 | 10 | AA Min | AAA: 38.29 (+1.17s | 3.0%) | Aquatic Team Of Mecklenburg | 03/06/2026 | Speedo Southern Premier | |
| 176 | Dylan sun | 39.47 | 10 | AA Min | AAA: 38.29 (+1.18s | 3.0%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 177 | Jett Manion | 39.47 | 9 | AA Min | AAA: 38.29 (+1.18s | 3.0%) | Huntsville Swim Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 178 | Justin Wiederhold | 39.47 | 10 | AA Min | AAA: 38.29 (+1.18s | 3.0%) | Long Island Aquatic Club | 12/11/2025 | 2025 MR HAUP Eagle Invitational | |
| 179 | John Calvet | 39.49 | 9 | AA Min | AAA: 38.29 (+1.20s | 3.0%) | Lakeridge | 02/13/2026 | 2026 OR HS 6A 5 | |
| 180 | Jacob Liu | 39.50 | 10 | AA Min | AAA: 38.29 (+1.21s | 3.1%) | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 181 | Leo Williams | 39.50 | 9 | AA Min | AAA: 38.29 (+1.21s | 3.1%) | Marlins Of Raleigh | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 182 | Jefferson Chiang | 39.52 | 10 | AA Min | AAA: 38.29 (+1.23s | 3.1%) | Tokyo-Red | 01/24/2026 | 2026 SCS Swim Festival | |
| 183 | Ari Thorne | 39.53 | 10 | AA Min | AAA: 38.29 (+1.24s | 3.1%) | Sarasota Sharks | 01/23/2026 | 2026 Hot Chocolate Invite | |
| 184 | Emmett Curry | 39.54 | 10 | AA Min | AAA: 38.29 (+1.25s | 3.2%) | Seattle Metropolitan Aquatic C | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 185 | Joseph Hanik | 39.54 | 9 | AA Min | AAA: 38.29 (+1.25s | 3.2%) | Fairfax Foxes Swimming | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 186 | Luca Axente | 39.55 | 10 | AA Min | AAA: 38.29 (+1.26s | 3.2%) | Dynamo Swim Club | 03/06/2026 | Speedo Southern Premier | |
| 187 | Brayden Bajuscak | 39.57 | 10 | AA Min | AAA: 38.29 (+1.28s | 3.2%) | Shorewood | 02/13/2026 | 2026 OR HS 6A 3 | |
| 188 | Ziqian Liu | 39.58 | 10 | AA Min | AAA: 38.29 (+1.29s | 3.3%) | Tac Titans | 03/24/2026 | 2026 TAC TITANS March Intrasquad Meet | |
| 189 | Reid Kessel | 39.59 | 10 | AA Min | AAA: 38.29 (+1.30s | 3.3%) | 757swim | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 190 | Misha Bolton | 39.59 | 10 | AA Min | AAA: 38.29 (+1.30s | 3.3%) | Royal Swim Team | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 191 | Hunter Jankowski | 39.60 | 10 | AA Min | AAA: 38.29 (+1.31s | 3.3%) | Twisters Swim Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 192 | Luke Gamino | 39.61 | 9 | AA Min | AAA: 38.29 (+1.32s | 3.3%) | Stingrays | 03/27/2026 | 2026 Sunshine State Showcase | |
| 193 | Zane Deshayes | 39.61 | 10 | AA Min | AAA: 38.29 (+1.32s | 3.3%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 194 | Aden Sun | 39.61 | 10 | AA Min | AAA: 38.29 (+1.32s | 3.3%) | Burlingame Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 195 | William Truong | 39.62 | 10 | AA Min | AAA: 38.29 (+1.33s | 3.4%) | Harbor Seals | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 196 | Collin James | 39.62 | 10 | AA Min | AAA: 38.29 (+1.33s | 3.4%) | West Linn | 02/13/2026 | 2026 OR HS 6A 5 | |
| 197 | Peter Petkov | 39.63 | 10 | AA Min | AAA: 38.29 (+1.34s | 3.4%) | Triton Aquatics Club | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 198 | Henry Goddard | 39.63 | 10 | AA Min | AAA: 38.29 (+1.34s | 3.4%) | Lake Oswego Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 199 | Summit Bergman | 39.65 | 10 | AA Min | AAA: 38.29 (+1.36s | 3.4%) | Life Time Southeast | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 200 | John Robisky | 39.66 | 10 | AA Min | AAA: 38.29 (+1.37s | 3.5%) | Freedom Aquatics | 03/13/2026 | 2026 MR SC Junior Metropolitan 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.