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 | |
|---|---|---|---|---|---|---|---|---|---|
| 101 | Grant Geisler | 38.20 | 10 | AAA Min | AAAA: 36.39 (+1.81s | 4.7%) | Huntsville Swim Association | 10/17/2025 | 2025 HSA Fran Norris Meet | |
| 102 | Aldar Khamutaev | 38.20 | 9 | AAA Min | AAAA: 36.39 (+1.81s | 4.7%) | Matchpoint Nyc | 11/15/2025 | 2025 MR FREE Freedom IMX Challenge | |
| 103 | Johann Gomez Ugalde | 38.22 | 10 | AAA Min | AAAA: 36.39 (+1.83s | 4.8%) | Southwest Stars Swim Club | 02/06/2026 | 2026 Stanton C Craigie Memorial Invite | |
| 104 | Kyle Dotts | 38.22 | 10 | AAA Min | AAAA: 36.39 (+1.83s | 4.8%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 105 | Mason Petrocelli | 38.22 | 10 | AAA Min | AAAA: 36.39 (+1.83s | 4.8%) | Team Suffolk | 11/14/2025 | 2025 MR VAC Viking Classic Invitational | |
| 106 | Ben Lin | 38.25 | 14 | AAA Min | AAAA: 36.39 (+1.86s | 4.9%) | Soda Fall | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 107 | Joshua Bond | 38.28 | 10 | AAA Min | AAAA: 36.39 (+1.89s | 4.9%) | Socal Aquatics Association | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 108 | Jozua Sugianto | 38.29 | 10 | AAA Min | AAAA: 36.39 (+1.90s | 5.0%) | California Dolphins Swim Team | 12/12/2025 | Winter SC Age Group Championships | |
| 109 | Riaan Patel | 38.36 | 10 | AA Min | AAA: 38.29 (+0.07s | 0.2%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/13/2026 | 2026 Showdown In Motown | |
| 110 | Artin Bonakchi | 38.39 | 10 | AA Min | AAA: 38.29 (+0.10s | 0.3%) | Unattached | 12/12/2025 | 2025 ST AAAA NS Winter Wonderland | |
| 111 | Dylan Laidlaw | 38.39 | 10 | AA Min | AAA: 38.29 (+0.10s | 0.3%) | Three Village Swim Club | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | |
| 112 | Yutaka Marescot | 38.39 | 9 | AA Min | AAA: 38.29 (+0.10s | 0.3%) | Phoenix Aquatic Club | 10/18/2025 | 2025 MR WEST Tricia Dewey Tails Of Hope | |
| 113 | Tyrus Lu | 38.41 | 9 | AA Min | AAA: 38.29 (+0.12s | 0.3%) | Tac Titans | 12/19/2025 | 2025 TAC TITANS Jingle Bells Meet | |
| 114 | Nathan Purifoy | 38.43 | 10 | AA Min | AAA: 38.29 (+0.14s | 0.4%) | Rockville Montgomery Swim Club | 12/05/2025 | 2025 Christmas Championships | |
| 115 | Rory Cullen | 38.44 | 10 | AA Min | AAA: 38.29 (+0.15s | 0.4%) | Sarasota Sharks | 01/23/2026 | 2026 Hot Chocolate Invite | |
| 116 | Kevin Zou | 38.50 | 9 | AA Min | AAA: 38.29 (+0.21s | 0.5%) | Alto Swim Club | 04/03/2025 | Pacific Swimming SC Far Western Champs | |
| 117 | Logan Liew | 38.51 | 9 | AA Min | AAA: 38.29 (+0.22s | 0.6%) | Streamliner Aquatics | 12/04/2025 | 2025 Holiday Swim Festival | |
| 118 | Shawn Wu | 38.53 | 10 | AA Min | AAA: 38.29 (+0.24s | 0.6%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 119 | Reid Flanagan | 38.53 | 10 | AA Min | AAA: 38.29 (+0.24s | 0.6%) | Life Time Southeast | 02/06/2026 | 2026 SES Region 3 Champions | |
| 120 | Max Lin | 38.54 | 9 | AA Min | AAA: 38.29 (+0.25s | 0.6%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 121 | Titus Wu | 38.55 | 10 | AA Min | AAA: 38.29 (+0.26s | 0.7%) | Lynchburg YMCA Swim Team | 01/31/2026 | LY Vs CA Y January Dual | |
| 122 | Jacob Zechmeister | 38.55 | 10 | AA Min | AAA: 38.29 (+0.26s | 0.7%) | Minnetonka Swim Club | 01/30/2026 | 2026 MN MTKA TYR Team Challenge | |
| 123 | James Parker | 38.56 | 10 | AA Min | AAA: 38.29 (+0.27s | 0.7%) | Machine Aquatics | 11/06/2025 | 2025 TAC TITANS Big Southern Classic | |
| 124 | Jack Nash | 38.57 | 10 | AA Min | AAA: 38.29 (+0.28s | 0.7%) | Ryan YMCA Tidal Waves | 11/08/2025 | 2025 SI SDSA All Ages NTS Meet | |
| 125 | Andrew Branach | 38.59 | 10 | AA Min | AAA: 38.29 (+0.30s | 0.8%) | Bergen Barracudas Swim Team | 01/23/2026 | 2026 MR HAWKS AD Trials And Finals | |
| 126 | Jacob Stanwix | 38.61 | 10 | AA Min | AAA: 38.29 (+0.32s | 0.8%) | Nova of Virginia | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 127 | Evan Neary | 38.65 | 10 | AA Min | AAA: 38.29 (+0.36s | 0.9%) | Mecklenburg Swim Association | 12/05/2025 | ATOM Winter Invite 2025 | |
| 128 | Krish Samanta | 38.66 | 10 | AA Min | AAA: 38.29 (+0.37s | 1.0%) | Blast Sharks | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 129 | Roman Kuleshov | 38.67 | 9 | AA Min | AAA: 38.29 (+0.38s | 1.0%) | Saint Andrew\\\\\\'s Aquatics | 12/11/2025 | 35th Annual Winter Championships | |
| 130 | Cameron Boitano | 38.71 | 9 | AA Min | AAA: 38.29 (+0.42s | 1.1%) | Pleasanton Seahawks | 12/12/2025 | Winter SC Age Group Championships | |
| 131 | Benjamin Hankinson | 38.73 | 9 | AA Min | AAA: 38.29 (+0.44s | 1.1%) | Jupiter Dragons Swim Team | 12/11/2025 | 35th Annual Winter Championships | |
| 132 | Nathan Zammit | 38.74 | 10 | AA Min | AAA: 38.29 (+0.45s | 1.2%) | Atlantis Swimming | 02/01/2026 | February Closed Invite | |
| 133 | David Ash | 38.74 | 10 | AA Min | AAA: 38.29 (+0.45s | 1.2%) | SwimMAC Carolina | 12/05/2025 | ATOM Winter Invite 2025 | |
| 134 | Mason Dodd | 38.75 | 10 | AA Min | AAA: 38.29 (+0.46s | 1.2%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 135 | Sebastian Michel | 38.78 | 9 | AA Min | AAA: 38.29 (+0.49s | 1.3%) | Katy Aquatic Team For Youth | 02/21/2025 | 2025 Gulf 12 Under Champs (KATY) | |
| 136 | Ryan Latronica | 38.78 | 9 | AA Min | AAA: 38.29 (+0.49s | 1.3%) | Hills Hurricane Swimming | 07/18/2025 | 2025 Redwood Empire Swim League Championship | |
| 137 | Charles Liu Bates | 38.78 | 10 | AA Min | AAA: 38.29 (+0.49s | 1.3%) | Unattached | 09/13/2025 | East Bay Silver Dolphins Short Course C B BB+ | |
| 138 | Joss Werr | 38.79 | 10 | AA Min | AAA: 38.29 (+0.50s | 1.3%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 139 | Jacob Bao | 38.79 | 9 | AA Min | AAA: 38.29 (+0.50s | 1.3%) | Tac Titans | 12/19/2025 | 2025 TAC TITANS Jingle Bells Meet | |
| 140 | Jack Nayar | 38.80 | 10 | AA Min | AAA: 38.29 (+0.51s | 1.3%) | Long Island Aquatic Club | 11/21/2025 | 2025 MR LIAC Thanksgiving Invite | |
| 141 | Andy Wang | 38.80 | 9 | AA Min | AAA: 38.29 (+0.51s | 1.3%) | Tualatin Hills Swim Club | 11/07/2025 | 2025 THSC November Open | |
| 142 | HanJun Zhang | 38.81 | 10 | AA Min | AAA: 38.29 (+0.52s | 1.3%) | Wasc | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 143 | Demian Jarmy | 38.81 | 10 | AA Min | AAA: 38.29 (+0.52s | 1.3%) | Pleasanton Seahawks | 11/08/2025 | Albany Armada Aquatics C B BB+ Meet | |
| 144 | Mason Bailey | 38.81 | 10 | AA Min | AAA: 38.29 (+0.52s | 1.3%) | SwimRVA | 12/11/2025 | 2025 East Coast WinterFest | |
| 145 | Renzhi Dong | 38.81 | 9 | AA Min | AAA: 38.29 (+0.52s | 1.3%) | Charles River Aquatics | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 146 | Conrad Chiu | 38.82 | 10 | AA Min | AAA: 38.29 (+0.53s | 1.4%) | Corvallis Aquatic Team | 12/12/2025 | 2025 OR HEAT Age Group Jubilee | |
| 147 | Lucas Guo | 38.83 | 10 | AA Min | AAA: 38.29 (+0.54s | 1.4%) | Santa Clara Swim Club | 11/08/2025 | Folsom Classic 2025 | |
| 148 | Ryan Wang | 38.83 | 9 | AA Min | AAA: 38.29 (+0.54s | 1.4%) | Stamford Sailfish Aquatic Club | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 149 | Erik Serbinenko | 38.87 | 10 | AA Min | AAA: 38.29 (+0.58s | 1.5%) | Crimson Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 150 | Ethan An | 38.87 | 11 | AA Min | AAA: 38.29 (+0.58s | 1.5%) | Long Island Aquatic Club | 12/11/2025 | 2025 East Coast WinterFest | |
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.