USA Boys 10 & under - 50 M 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 | Jack Armbruster | 43.81 | 10 | AA Min | AAA: 43.59 (+0.22s | 0.5%) | San Clemente Aquatic Team | 06/11/2026 | 2026 SCS June AG Invite | |
| 102 | Lok Zhang | 43.83 | 10 | AA Min | AAA: 43.59 (+0.24s | 0.5%) | Pacific Dragons Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 103 | Summit Bergman | 43.84 | 10 | AA Min | AAA: 43.59 (+0.25s | 0.6%) | Life Time Southeast | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 104 | Joshua Purvis | 43.84 | 10 | AA Min | AAA: 43.59 (+0.25s | 0.6%) | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | |
| 105 | Titus Wu | 43.89 | 10 | AA Min | AAA: 43.59 (+0.30s | 0.7%) | Firefish Aquatics | 07/16/2026 | 2026 Virginia Swimming LC Age Group Champions | |
| 106 | Jason Yin | 43.90 | 9 | AA Min | AAA: 43.59 (+0.31s | 0.7%) | Quicksilver Swimming | 07/30/2026 | Long Course Far Westerns | |
| 107 | Troy Cary | 43.96 | 10 | AA Min | AAA: 43.59 (+0.37s | 0.8%) | Alamo Heights Aquatic Club ? A | 07/09/2026 | 2026 ST NIST LC STAGS | |
| 108 | Nathan Campbell | 44.00 | 9 | AA Min | AAA: 43.59 (+0.41s | 0.9%) | Southwestern Aquatics Team - S | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 109 | Elijah Braeger | 44.01 | 10 | AA Min | AAA: 43.59 (+0.42s | 1.0%) | Lakeside Swim Team | 04/25/2026 | 2026 Triton Derby Swim Festival | |
| 110 | Bennett Cordero | 44.02 | 10 | AA Min | AAA: 43.59 (+0.43s | 1.0%) | Aquatic Team Of Mecklenburg | 06/25/2026 | ONSA Independence Invitational Copied | |
| 111 | Ari Mobasseri | 44.04 | 8 | AA Min | AAA: 43.59 (+0.45s | 1.0%) | Aquazot Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 112 | Sebastian Horn-Rios | 44.06 | 10 | AA Min | AAA: 43.59 (+0.47s | 1.1%) | T2 Aquatics | 04/17/2026 | 2026 GCST Spring Open | |
| 113 | Devin Song | 44.06 | 9 | AA Min | AAA: 43.59 (+0.47s | 1.1%) | Rose Bowl Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 114 | Aaron Kim | 44.06 | 10 | AA Min | AAA: 43.59 (+0.47s | 1.1%) | The Spartans of La Canada | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 115 | Arnas Thompson | 44.11 | 10 | AA Min | AAA: 43.59 (+0.52s | 1.2%) | Saint Andrew\\\\\\'s Aquatics | 05/22/2026 | 2026 Terrapin Invite | |
| 116 | Thomas Klinger | 44.12 | 10 | AA Min | AAA: 43.59 (+0.53s | 1.2%) | Tide Swimming | 07/16/2026 | 2026 Virginia Swimming LC Age Group Champions | |
| 117 | Isaac Varner | 44.12 | 10 | AA Min | AAA: 43.59 (+0.53s | 1.2%) | Upper Arlington Swim Club | 07/23/2026 | 2026 OH LC Junior Championships | |
| 118 | Arthur Wang | 44.17 | 10 | AA Min | AAA: 43.59 (+0.58s | 1.3%) | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | |
| 119 | Owen Zeng | 44.17 | 10 | AA Min | AAA: 43.59 (+0.58s | 1.3%) | Trident Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 120 | Jonathan Li | 44.18 | 8 | AA Min | AAA: 43.59 (+0.59s | 1.3%) | Brea Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 121 | August Baikauskas | 44.18 | 9 | AA Min | AAA: 43.59 (+0.59s | 1.3%) | Loyola Blakefield Aquatics | 07/29/2026 | 2026 MD LSC LC Championship | |
| 122 | Judah Moss | 44.21 | 10 | AA Min | AAA: 43.59 (+0.62s | 1.4%) | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | |
| 123 | Matthew Ko | 44.21 | 10 | AA Min | AAA: 43.59 (+0.62s | 1.4%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 124 | Oliver Gist-Pitts | 44.29 | 10 | AA Min | AAA: 43.59 (+0.70s | 1.6%) | Riptide Swim Team | 06/26/2026 | 2026 CO Zone 2 District Meet AAC | |
| 125 | Leon Escarcega Hernandez | 44.34 | 10 | AA Min | AAA: 43.59 (+0.75s | 1.7%) | Halcones Marinos Capn | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 126 | Ryan Latronica | 44.40 | 10 | AA Min | AAA: 43.59 (+0.81s | 1.8%) | Hills Hurricane Swimming | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 127 | Blake Porteus | 44.44 | 10 | AA Min | AAA: 43.59 (+0.85s | 1.9%) | Westerville Aquatic Club | 07/23/2026 | 2026 OH LC Junior Championships | |
| 128 | Francis Li | 44.45 | 9 | AA Min | AAA: 43.59 (+0.86s | 1.9%) | Unattached | 08/07/2024 | 2024 EZ LC Age Group Championship | |
| 129 | Leonardo Mora Carrillo | 44.45 | 10 | AA Min | AAA: 43.59 (+0.86s | 1.9%) | Blue Marlins Aquatic Club | 06/11/2026 | 2026 RAFC Summer Solstice Invitational | |
| 130 | Max Ong | 44.48 | 10 | AA Min | AAA: 43.59 (+0.89s | 2.0%) | Pacific Swim | 07/23/2026 | 2026 SI LC AGE GROUP CHAMPIONSHIPS | |
| 131 | Leo Williams | 44.48 | 9 | AA Min | AAA: 43.59 (+0.89s | 2.0%) | Marlins Of Raleigh | 04/25/2026 | 2026 NCAC Quad Meet | |
| 132 | Everett Cassidy | 44.51 | 10 | AA Min | AAA: 43.59 (+0.92s | 2.1%) | Nsea Swim | 07/16/2026 | 2026 NCS LC AG Championships | |
| 133 | Wyatt Larson | 44.51 | 10 | AA Min | AAA: 43.59 (+0.92s | 2.1%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 134 | Juan Marquez | 44.54 | 10 | AA Min | AAA: 43.59 (+0.95s | 2.1%) | Heritage Aquatic Team | 04/18/2026 | SCS Under The Sun Invitational | |
| 135 | Luke Sweetser | 44.55 | 10 | AA Min | AAA: 43.59 (+0.96s | 2.2%) | Columbia Aquatics Association | 07/29/2026 | 2026 MD LSC LC Championship | |
| 136 | Reyan Dhwajad | 44.57 | 10 | AA Min | AAA: 43.59 (+0.98s | 2.2%) | SwimMAC Carolina | 07/16/2026 | 2026 NCS LC AG Championships | |
| 137 | Nicholas Scarpitti | 44.58 | 10 | AA Min | AAA: 43.59 (+0.99s | 2.2%) | Cincinnati Aquatic Club | 07/23/2026 | 2026 OH LC Junior Championships | |
| 138 | Anderson Grant | 44.59 | 10 | AA Min | AAA: 43.59 (+1.00s | 2.2%) | Upper Arlington Swim Club | 07/23/2026 | 2026 OH LC Junior Championships | |
| 139 | Michael Krumme | 44.60 | 10 | AA Min | AAA: 43.59 (+1.01s | 2.3%) | Northern KY Clippers | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | |
| 140 | Dylan Deahn | 44.61 | 9 | AA Min | AAA: 43.59 (+1.02s | 2.3%) | Csp Tideriders | 07/23/2026 | 2026 Ozark Long Course Champs Copied | |
| 141 | Renzhi Dong | 44.61 | 10 | AA Min | AAA: 43.59 (+1.02s | 2.3%) | Charles River Aquatics | 06/26/2026 | 2026 NE SUN Summer Solstice | |
| 142 | Daniel Heilman | 44.62 | 10 | AA Min | AAA: 43.59 (+1.03s | 2.3%) | San Francisco Seals Swim Team | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 143 | Easson Ji | 44.63 | 9 | AA Min | AAA: 43.59 (+1.04s | 2.3%) | Xtreme Swim Club | 06/12/2026 | 2026 NE CS Summer Solstice | |
| 144 | Arick Eisler | 44.65 | 9 | AA Min | AAA: 43.59 (+1.06s | 2.4%) | Tac Titans | 07/16/2026 | 2026 NCS LC AG Championships | |
| 145 | Titus Wu | 44.66 | 10 | AA Min | AAA: 43.59 (+1.07s | 2.4%) | Unattached | 05/01/2026 | 2026 HOKI May Day Invite Copied | |
| 146 | Henry Goddard | 44.70 | 10 | AA Min | AAA: 43.59 (+1.11s | 2.5%) | Lake Oswego Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 147 | Miles Lee | 44.72 | 10 | AA Min | AAA: 43.59 (+1.13s | 2.5%) | New Wave Swim Team | 05/15/2026 | 2026 TAC TITANS Spring Fling Meet | |
| 148 | Gavin Johnston | 44.74 | 10 | AA Min | AAA: 43.59 (+1.15s | 2.6%) | Manta Ray Aquatics | 07/23/2026 | 2026 SI LC AGE GROUP CHAMPIONSHIPS | |
| 149 | James Martin | 44.75 | 10 | AA Min | AAA: 43.59 (+1.16s | 2.6%) | Nova of Virginia | 07/16/2026 | 2026 Virginia Swimming LC Age Group Champions | |
| 150 | Silas Sebera | 44.76 | 10 | AA Min | AAA: 43.59 (+1.17s | 2.6%) | Unattached | 05/29/2026 | 2026 SwimRVA Success Bell | |
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.