Southern Zone Zone Boys 10 & under - 50 M Back
These rankings show the swimmers' placement within their Zone.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 | Michael Bodnar | 40.52 | 10 | AA Min | AAA: 38.99 (+1.53s | 3.8%) | SwimAtlanta | 06/18/2026 | 2026 Tennessee Aquatics June Invitational | |
| 102 | Thedford Neely | 40.52 | 10 | AA Min | AAA: 38.99 (+1.53s | 3.8%) | Blue Tide Aquatics | 06/11/2026 | 2026 ST NIST George Block Invitational | |
| 103 | Graham Greenblatt | 40.59 | 10 | AA Min | AAA: 38.99 (+1.60s | 3.9%) | Swim Streamline at Northampton | 07/16/2025 | 2025 Texas Age Group Championships | |
| 104 | Alonso Andrade | 40.61 | 10 | AA Min | AAA: 38.99 (+1.62s | 4.0%) | EL Paso Border Land Swim Team | 05/16/2026 | 2026 BD SWAT School S Out Summer Bash | |
| 105 | William Peterworth | 40.61 | 9 | AA Min | AAA: 38.99 (+1.62s | 4.0%) | Lakeside Swim Team | 04/25/2026 | 2026 Triton Derby Swim Festival | |
| 106 | Yo Abe | 40.65 | 10 | AA Min | AAA: 38.99 (+1.66s | 4.1%) | Huntsville Swim Association | 05/16/2026 | NAC LC May Classic | |
| 107 | Corbin Piatt | 40.68 | 10 | AA Min | AAA: 38.99 (+1.69s | 4.2%) | Raleigh Swimming Association | 06/13/2026 | 2026 MOR Liberty Meet | |
| 108 | Lincoln Purdy | 40.69 | 10 | AA Min | AAA: 38.99 (+1.70s | 4.2%) | Greater Pensacola Aquatic Club | 04/11/2026 | 2026 GPAC LCM Time Trials | |
| 109 | Luiz Laurentino | 40.71 | 10 | AA Min | AAA: 38.99 (+1.72s | 4.2%) | YMCA of the Triangle Area Swim | 06/12/2026 | 2026 SwimRVA Summer Invitational | |
| 110 | Maddox Jordan | 40.77 | 10 | AA Min | AAA: 38.99 (+1.78s | 4.4%) | Prime Aquatics | 04/24/2026 | 2026 ARENA Long Course Invitational Meet | |
| 111 | Juan Marquez | 40.84 | 10 | AA Min | AAA: 38.99 (+1.85s | 4.5%) | Heritage Aquatic Team | 06/26/2026 | 2026 Michael Lohberg Invitational | |
| 112 | William Dailey | 40.94 | 10 | AA Min | AAA: 38.99 (+1.95s | 4.8%) | Lakeside Swim Team | 04/25/2026 | 2026 Triton Derby Swim Festival | |
| 113 | Leo Williams | 40.95 | 9 | AA Min | AAA: 38.99 (+1.96s | 4.8%) | Marlins Of Raleigh | 04/25/2026 | 2026 NCAC Quad Meet | |
| 114 | William Moreno | 40.95 | 10 | BB Min | A: 37.69 (+3.26s | 8.0%) | Carolina Aquatic Team | 06/05/2026 | STAR Andrew E Hartle Invitational | |
| 115 | Xavier Kallus | 40.95 | 10 | AA Min | AAA: 38.99 (+1.96s | 4.8%) | Victoria Texas Aquatic Club | 06/26/2026 | 2026 NEAT Long Course STX Championship | |
| 116 | Summit Bergman | 40.96 | 10 | AA Min | AAA: 38.99 (+1.97s | 4.8%) | Life Time Southeast Swim Team | 06/26/2026 | 2026 SE Richard Quick Invitational | |
| 117 | Caleb Harrison | 40.96 | 10 | AA Min | AAA: 38.99 (+1.97s | 4.8%) | Huntsville Swim Association | 06/26/2026 | 2026 HSA June Invitational | |
| 118 | Isaac Camenisch | 40.97 | 10 | AA Min | AAA: 38.99 (+1.98s | 4.8%) | Highbridge Aquatics | 06/05/2026 | 25th Annual CLPR David Webb Meet | |
| 119 | Aaron Kim | 40.99 | 10 | AA Min | AAA: 38.99 (+2.00s | 4.9%) | EL Paso Border Land Swim Team | 05/16/2026 | 2026 BD SWAT School S Out Summer Bash | |
| 120 | Ethan Hood | 41.01 | 10 | AA Min | AAA: 38.99 (+2.02s | 4.9%) | SwimMAC Carolina | 06/19/2026 | GSA 70th Annual Eastern Invitational | |
| 121 | Samuel Leven | 41.04 | 10 | AA Min | AAA: 38.99 (+2.05s | 5.0%) | Unattached | 06/10/2026 | Splash Into Summer | |
| 122 | Nicholas Leonard | 41.07 | 10 | AA Min | AAA: 38.99 (+2.08s | 5.1%) | SwimMAC Carolina | 06/19/2026 | GSA 70th Annual Eastern Invitational | |
| 123 | James Ludington | 41.08 | 10 | AA Min | AAA: 38.99 (+2.09s | 5.1%) | Carolina Aquatic Team | 05/15/2026 | 2026 ECA Beach Invitational | |
| 124 | Leo Lafferty | 41.09 | 10 | AA Min | AAA: 38.99 (+2.10s | 5.1%) | Westlake Aquatic Facility | 06/19/2026 | 2026 ST ASC Firecracker | |
| 125 | Ari Thorne | 41.11 | 10 | A Min | AA: 41.09 (+0.02s | 0.0%) | Sarasota Sharks | 06/11/2026 | 2026 Sarastoa Shark Open | |
| 126 | Nicholas Galvin | 41.12 | 10 | A Min | AA: 41.09 (+0.03s | 0.1%) | Sarasota Sharks | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 127 | Owen McDonald | 41.13 | 10 | A Min | AA: 41.09 (+0.04s | 0.1%) | Houston Hydra | 06/05/2026 | 2026 ST SRG Arena Surge Shark Sizzler | |
| 128 | Troy Cary | 41.14 | 10 | A Min | AA: 41.09 (+0.05s | 0.1%) | Alamo Heights Aquatic Club ? A | 05/15/2026 | 2026 ST NIST Salute To The Troops | |
| 129 | Jett Manion | 41.18 | 9 | A Min | AA: 41.09 (+0.09s | 0.2%) | Huntsville Swim Association | 06/26/2026 | 2026 HSA June Invitational | |
| 130 | Henry Havens | 41.28 | 10 | A Min | AA: 41.09 (+0.19s | 0.5%) | Northern KY Clippers | 06/05/2026 | 25th Annual CLPR David Webb Meet | |
| 131 | Bennett Upton | 41.29 | 9 | A Min | AA: 41.09 (+0.20s | 0.5%) | Greensboro Community YMCA | 06/12/2026 | 2026 GCY Sprint And Distance | |
| 132 | Charles Qiao | 41.32 | 9 | A Min | AA: 41.09 (+0.23s | 0.6%) | Dynamo Swim Club | 06/26/2026 | 2026 HSA June Invitational | |
| 133 | Holton Lika | 41.33 | 10 | A Min | AA: 41.09 (+0.24s | 0.6%) | Swim Florida | 06/19/2026 | 2026 GCST MARK MCCAW SUMMER INVITE | |
| 134 | Blake Hathorn | 41.34 | 10 | A Min | AA: 41.09 (+0.25s | 0.6%) | Com Aquatics | 05/15/2026 | 2026 ST SRG LCM Bud Dallmann Memorial | |
| 135 | Peter Enberg | 41.34 | 9 | A Min | AA: 41.09 (+0.25s | 0.6%) | Raleigh Swimming Association | 06/13/2026 | 2026 MOR Liberty Meet | |
| 136 | Yu Xu | 41.35 | 10 | A Min | AA: 41.09 (+0.26s | 0.6%) | SwimMAC Carolina | 04/17/2026 | 2026 NC SwimMAC Blue Orange LC | |
| 137 | Ethan Ramon | 41.36 | 10 | A Min | AA: 41.09 (+0.27s | 0.7%) | Nitro Swimming | 05/30/2026 | 2026 ST NTRO LC May Splashdown | |
| 138 | Benjamin Hankinson | 41.39 | 9 | A Min | AA: 41.09 (+0.30s | 0.7%) | Jupiter Dragons Swim Team | 06/13/2026 | 2026 TCA Aaron Vaughn Memorial | |
| 139 | Qurtis Lo | 41.40 | 10 | A Min | AA: 41.09 (+0.31s | 0.7%) | Marlins Of Raleigh | 06/13/2026 | 2026 MOR Liberty Meet | |
| 140 | Kyrie Song | 41.47 | 9 | A Min | AA: 41.09 (+0.38s | 0.9%) | SwimMAC Carolina | 05/01/2026 | 2026 NC SwimMAC Spring Splash | |
| 141 | Nan-Yi Yeh | 41.48 | 10 | A Min | AA: 41.09 (+0.39s | 0.9%) | Marlins Of Raleigh | 04/25/2026 | 2026 NCAC Quad Meet | |
| 142 | Hayden Reed | 41.48 | 10 | A Min | AA: 41.09 (+0.39s | 0.9%) | C.M. Gatton Beaumont YMCA | 06/26/2026 | 2026 Colonel Summer Classic Copied | |
| 143 | Cullen Owen | 41.52 | 10 | A Min | AA: 41.09 (+0.43s | 1.0%) | SwimMAC Carolina | 06/19/2026 | GSA 70th Annual Eastern Invitational | |
| 144 | Henry Lampley | 41.54 | 9 | A Min | AA: 41.09 (+0.45s | 1.1%) | YMCA of Florida\\\\\\'s First Coast | 06/26/2026 | 2026 SwimRise Season Finale | |
| 145 | Christian Bland | 41.57 | 10 | A Min | AA: 41.09 (+0.48s | 1.2%) | Northeast Family YMCA | 06/26/2026 | 2026 Colonel Summer Classic Copied | |
| 146 | Emilio Retana | 41.58 | 10 | A Min | AA: 41.09 (+0.49s | 1.2%) | El Paso Aqua Posse | 05/16/2026 | 2026 BD SWAT School S Out Summer Bash | |
| 147 | Oliver Klauke | 41.64 | 9 | A Min | AA: 41.09 (+0.55s | 1.3%) | Unattached | 06/26/2026 | 2026 MOR Long Course Qualifier | |
| 148 | Koki Tsujiuchi | 41.65 | 10 | A Min | AA: 41.09 (+0.56s | 1.3%) | Huntsville Swim Association | 05/16/2026 | NAC LC May Classic | |
| 149 | Potter Wright | 41.66 | 10 | A Min | AA: 41.09 (+0.57s | 1.4%) | Lexington Dolphins | 06/26/2026 | 2026 Colonel Summer Classic Copied | |
| 150 | Arsenii Chebaev | 41.68 | 10 | A Min | AA: 41.09 (+0.59s | 1.4%) | Bravo Swim Team | 05/22/2026 | 2026 Terrapin Invite | |
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.