USA Boys 10 & under - 50 M Back
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 | Adam Aburas | 38.37 | 10 | AAA Min | AAAA: 36.99 (+1.38s | 3.6%) | First Colony Swim Team, Inc. | 07/16/2025 | 2025 Texas Age Group Championships | |
| 102 | Jeffrey Xiong | 38.38 | 10 | AAA Min | AAAA: 36.99 (+1.39s | 3.6%) | Arctic Aquatics | 04/11/2026 | 2026 NE CS Season Opener | |
| 103 | Nolan Robertson | 38.43 | 10 | AAA Min | AAAA: 36.99 (+1.44s | 3.7%) | Lakeside Swim Team | 04/25/2026 | 2026 Triton Derby Swim Festival | |
| 104 | Mason Stout | 38.44 | 10 | AAA Min | AAAA: 36.99 (+1.45s | 3.8%) | Team Minnesota | 08/06/2026 | 2026 CZ 14 U Championship Meet MN | |
| 105 | Vallen Volosov | 38.45 | 10 | AAA Min | AAAA: 36.99 (+1.46s | 3.8%) | Streamline Aquatics Club | 06/05/2026 | 2026 XCEL Meet Of XCellence | |
| 106 | Nathan Lintow | 38.45 | 10 | AAA Min | AAAA: 36.99 (+1.46s | 3.8%) | Unattached | 08/06/2026 | 2026 CZ 14 U Championship Meet MN | |
| 107 | Reid Kessel | 38.48 | 10 | AAA Min | AAAA: 36.99 (+1.49s | 3.9%) | 757swim | 05/15/2026 | NOVA Spring Splash | |
| 108 | Seth Snyder | 38.51 | 10 | AAA Min | AAAA: 36.99 (+1.52s | 3.9%) | Firefish Aquatics | 06/05/2026 | HNVR Storm Surge 2026 | |
| 109 | Aurelius Lien | 38.53 | 9 | AAA Min | AAAA: 36.99 (+1.54s | 4.0%) | Santa Clara Swim Club | 07/30/2026 | Long Course Far Westerns | |
| 110 | Caleb Stone | 38.55 | 10 | AAA Min | AAAA: 36.99 (+1.56s | 4.0%) | Bellingham Bay Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 111 | Chase Witt | 38.56 | 10 | AAA Min | AAAA: 36.99 (+1.57s | 4.1%) | Gold\\\\\\'s Aquatics Club (Camas) | 04/25/2026 | GACC Spring Invitational | |
| 112 | Dexter Danont | 38.58 | 10 | AAA Min | AAAA: 36.99 (+1.59s | 4.1%) | Arctic Aquatics | 06/12/2026 | 2026 NE CS Summer Solstice | |
| 113 | Remington Allen | 38.58 | 10 | AAA Min | AAAA: 36.99 (+1.59s | 4.1%) | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | |
| 114 | Samuel Wacek | 38.59 | 10 | AAA Min | AAAA: 36.99 (+1.60s | 4.1%) | Team Minnesota | 08/06/2026 | 2026 CZ 14 U Championship Meet MN | |
| 115 | Michael Governal | 38.62 | 10 | AAA Min | AAAA: 36.99 (+1.63s | 4.2%) | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | |
| 116 | Benjamin Russell | 38.62 | 10 | AAA Min | AAAA: 36.99 (+1.63s | 4.2%) | Csp Tideriders | 05/29/2026 | 2026 Meet Me In St Louis Invite | |
| 117 | Ethan Nicholes | 38.63 | 10 | AAA Min | AAAA: 36.99 (+1.64s | 4.2%) | Naval Academy Aquatic Club | 07/29/2026 | 2026 MD LSC LC Championship | |
| 118 | Jansen Hartzell | 38.63 | 10 | AAA Min | AAAA: 36.99 (+1.64s | 4.2%) | Unattached | 08/06/2026 | 2026 CZ 14 U Championship Meet MN | |
| 119 | Benjamin Stenson | 38.63 | 10 | AAA Min | AAAA: 36.99 (+1.64s | 4.2%) | Unattached | 08/06/2026 | 2026 CZ 14 U Championship Meet MN | |
| 120 | Gleb Nikishin | 38.63 | 10 | AAA Min | AAAA: 36.99 (+1.64s | 4.2%) | SwimRight Team | 05/22/2026 | 2026 Doral Swim Club LCM Spring Invite | |
| 121 | Leo Groneck | 38.68 | 10 | AAA Min | AAAA: 36.99 (+1.69s | 4.4%) | Northern KY Clippers | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | |
| 122 | Reid Kelly | 38.69 | 10 | AAA Min | AAAA: 36.99 (+1.70s | 4.4%) | Riptide Swim Team | 06/18/2026 | 2026 CO Grand Junction Invitational | |
| 123 | Owen Newton | 38.70 | 10 | AAA Min | AAAA: 36.99 (+1.71s | 4.4%) | SwimNation Aquatics Programs | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 124 | William Dailey | 38.70 | 10 | AAA Min | AAAA: 36.99 (+1.71s | 4.4%) | Lakeside Swim Team | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | |
| 125 | Felix Chang | 38.71 | 10 | AAA Min | AAAA: 36.99 (+1.72s | 4.4%) | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | |
| 126 | Lincoln Purdy | 38.74 | 10 | AAA Min | AAAA: 36.99 (+1.75s | 4.5%) | Greater Pensacola Aquatic Club | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 127 | Aiden Chung | 38.75 | 10 | AAA Min | AAAA: 36.99 (+1.76s | 4.5%) | Patriot Swim Club | 07/30/2026 | Long Course Far Westerns | |
| 128 | Liam Hacker | 38.77 | 10 | AAA Min | AAAA: 36.99 (+1.78s | 4.6%) | Unattached | 08/06/2026 | 2026 CZ 14 U Championship Meet MN | |
| 129 | Sebastian Gutierrez | 38.78 | 9 | AAA Min | AAAA: 36.99 (+1.79s | 4.6%) | Anglerfish Aquatics | 07/17/2026 | 2026 NE MST ESC LCM 12 Under Championship | |
| 130 | Layton Groneck | 38.79 | 10 | AAA Min | AAAA: 36.99 (+1.80s | 4.6%) | Northern KY Clippers | 06/05/2026 | 25th Annual CLPR David Webb Meet | |
| 131 | Davis King | 38.81 | 9 | AAA Min | AAAA: 36.99 (+1.82s | 4.7%) | Tac Titans | 07/16/2026 | 2026 NCS LC AG Championships | |
| 132 | Branimir Petkov | 38.82 | 10 | AAA Min | AAAA: 36.99 (+1.83s | 4.7%) | Evolution Racing Club | 06/11/2026 | 2026 SCS June AG Invite | |
| 133 | Dongxin Xian | 38.83 | 10 | AAA Min | AAAA: 36.99 (+1.84s | 4.7%) | Arcadia Riptides Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 134 | Hamilton Holliday | 38.83 | 10 | AAA Min | AAAA: 36.99 (+1.84s | 4.7%) | Huntsville Swim Association | 06/26/2026 | 2026 HSA June Invitational | |
| 135 | Caleb Horvath | 38.84 | 9 | AAA Min | AAAA: 36.99 (+1.85s | 4.8%) | Mecklenburg Swim Association | 07/16/2026 | 2026 NCS LC AG Championships | |
| 136 | Tatsumasa Sekine | 38.87 | 9 | AAA Min | AAAA: 36.99 (+1.88s | 4.8%) | Santa Clara Swim Club | 07/30/2026 | Long Course Far Westerns | |
| 137 | Yuning Huang | 38.87 | 10 | AAA Min | AAAA: 36.99 (+1.88s | 4.8%) | Rose Bowl Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 138 | Arthur Wang | 38.88 | 10 | AAA Min | AAAA: 36.99 (+1.89s | 4.9%) | Fort Meigs YMCA Stingrays | 07/23/2026 | 2026 OH LC Junior Championships | |
| 139 | Oliver Gist-Pitts | 38.88 | 10 | AAA Min | AAAA: 36.99 (+1.89s | 4.9%) | Riptide Swim Team | 06/12/2026 | 2026 CO CSI Long Course Open | |
| 140 | Paxton Marvray | 38.89 | 10 | AAA Min | AAAA: 36.99 (+1.90s | 4.9%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 141 | Dylan Kemmish | 38.89 | 9 | AAA Min | AAAA: 36.99 (+1.90s | 4.9%) | Kentucky Aquatics | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | |
| 142 | Leon Escarcega Hernandez | 38.90 | 10 | AAA Min | AAAA: 36.99 (+1.91s | 4.9%) | Halcones Marinos Capn | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 143 | Miles Lee | 38.91 | 10 | AAA Min | AAAA: 36.99 (+1.92s | 4.9%) | New Wave Swim Team | 05/15/2026 | 2026 TAC TITANS Spring Fling Meet | |
| 144 | Heath Cobb | 38.93 | 9 | AAA Min | AAAA: 36.99 (+1.94s | 5.0%) | Metroplex Aquatics | 07/16/2025 | 2025 Texas Age Group Championships | |
| 145 | Nathan Campbell | 38.93 | 9 | AAA Min | AAAA: 36.99 (+1.94s | 5.0%) | Southwestern Aquatics Team - S | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 146 | Manning Xia | 38.95 | 10 | AAA Min | AAAA: 36.99 (+1.96s | 5.0%) | X-Cel Swimming | 07/23/2026 | 2026 NJ Swim LC Gold Championships | |
| 147 | Brayden Nguyen | 38.95 | 10 | AAA Min | AAAA: 36.99 (+1.96s | 5.0%) | San Jose Goosemonkeys | 07/30/2026 | Long Course Far Westerns | |
| 148 | Jerry Ji | 38.98 | 10 | AAA Min | AAAA: 36.99 (+1.99s | 5.1%) | Brea Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 149 | Wyatt Larson | 38.99 | 10 | AAA Min | AAAA: 36.99 (+2.00s | 5.1%) | Denver Swim Academy | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 150 | Brayden Herald | 39.03 | 9 | AA Min | AAA: 38.99 (+0.04s | 0.1%) | Mason Manta Rays | 07/23/2026 | 2026 OH LC Junior 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.