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 | |
|---|---|---|---|---|---|---|---|---|---|
| 51 | Franklin Chao | 39.43 | 10 | AA Min | AAA: 38.99 (+0.44s | 1.1%) | North Carolina Aquatic Club | 06/25/2026 | ONSA Independence Invitational Copied | |
| 52 | Nicholas Leonard | 39.47 | 10 | AA Min | AAA: 38.99 (+0.48s | 1.2%) | SwimMAC Carolina | 07/16/2026 | 2026 NCS LC AG Championships | |
| 53 | Thiago Mantilla | 39.52 | 10 | AA Min | AAA: 38.99 (+0.53s | 1.3%) | South Florida Aquatic Club | 07/16/2026 | 2026 FGC Summer LC Age Group Championships | |
| 54 | Michael Krumme | 39.56 | 10 | AA Min | AAA: 38.99 (+0.57s | 1.4%) | Northern KY Clippers | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | |
| 55 | Charles Sanders | 39.67 | 10 | AA Min | AAA: 38.99 (+0.68s | 1.7%) | Tac Titans | 05/22/2026 | 2026 TAC TITANS Memorial Day Meet | |
| 56 | Alister Carlton | 39.70 | 10 | AA Min | AAA: 38.99 (+0.71s | 1.8%) | Nitro Swimming | 06/11/2026 | 2026 ST NIST George Block Invitational | |
| 57 | Arsenii Chebaev | 39.71 | 10 | AA Min | AAA: 38.99 (+0.72s | 1.8%) | Bravo Swim Team | 07/16/2026 | 2026 FGC Summer LC Age Group Championships | |
| 58 | Maddox Jordan | 39.71 | 10 | AA Min | AAA: 38.99 (+0.72s | 1.8%) | Prime Aquatics | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 59 | Ziqian Liu | 39.74 | 10 | AA Min | AAA: 38.99 (+0.75s | 1.9%) | Tac Titans | 05/15/2026 | 2026 TAC TITANS Spring Fling Meet | |
| 60 | Merrick Harner | 39.85 | 10 | AA Min | AAA: 38.99 (+0.86s | 2.2%) | Brevard Swim Club | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 61 | Samuel Fuetsch | 39.86 | 9 | AA Min | AAA: 38.99 (+0.87s | 2.2%) | Tac Titans | 06/11/2026 | 2026 CMC Triangle Classic Meet | |
| 62 | Danyil Himpilevych | 39.86 | 10 | AA Min | AAA: 38.99 (+0.87s | 2.2%) | Peddie Aquatic Association | 06/20/2026 | 2026 Hot Summer Nights | |
| 63 | Charles Swinsick | 40.00 | 10 | AA Min | AAA: 38.99 (+1.01s | 2.5%) | Marlins Of Raleigh | 06/13/2026 | 2026 MOR Liberty Meet | |
| 64 | Theo Whitson | 40.01 | 10 | AA Min | AAA: 38.99 (+1.02s | 2.5%) | Tac Titans | 07/16/2026 | 2026 NCS LC AG Championships | |
| 65 | Holton Lika | 40.02 | 10 | AA Min | AAA: 38.99 (+1.03s | 2.6%) | Swim Florida | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 66 | Johann Gomez Ugalde | 40.02 | 10 | AA Min | AAA: 38.99 (+1.03s | 2.6%) | Southwest Stars Swim Club | 05/15/2026 | 2026 PA Long Course Invite | |
| 67 | Rafael Hewett | 40.08 | 9 | AA Min | AAA: 38.99 (+1.09s | 2.7%) | New Wave Swim Team | 05/15/2026 | 2026 TAC TITANS Spring Fling Meet | |
| 68 | Randall Plaisance | 40.08 | 10 | AA Min | AAA: 38.99 (+1.09s | 2.7%) | Opelika Swim Team | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 69 | Greyson Huddleston | 40.09 | 10 | AA Min | AAA: 38.99 (+1.10s | 2.7%) | Patriot Aquatics | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 70 | Grant Zimmermann | 40.12 | 10 | AA Min | AAA: 38.99 (+1.13s | 2.8%) | YMCA of the Triangle Area Swim | 07/16/2026 | 2026 NCS LC AG Championships | |
| 71 | George Mergeani | 40.13 | 9 | AA Min | AAA: 38.99 (+1.14s | 2.8%) | Aquatic Team Of Mecklenburg | 07/16/2026 | 2026 NCS LC AG Championships | |
| 72 | Matias Franco Delgado | 40.15 | 10 | AA Min | AAA: 38.99 (+1.16s | 2.9%) | Fast Falcons | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 73 | Troy Cary | 40.18 | 10 | AA Min | AAA: 38.99 (+1.19s | 3.0%) | Alamo Heights Aquatic Club ? A | 07/09/2026 | 2026 ST NIST LC STAGS | |
| 74 | Ryan Kashani | 40.21 | 10 | AA Min | AAA: 38.99 (+1.22s | 3.0%) | Houston Hydra | 06/05/2026 | 2026 ST SRG Arena Surge Shark Sizzler | |
| 75 | Noah Thomas | 40.24 | 10 | AA Min | AAA: 38.99 (+1.25s | 3.1%) | Longhorn Aquatics | 04/19/2026 | 2026 ST TXLA 10 U Long Course Kick Off | |
| 76 | Roman Kuleshov | 40.24 | 10 | AA Min | AAA: 38.99 (+1.25s | 3.1%) | Saint Andrew\\\\\\'s Aquatics | 05/22/2026 | 2026 Terrapin Invite | |
| 77 | Evan Wik | 40.24 | 9 | AA Min | AAA: 38.99 (+1.25s | 3.1%) | Southwest Stars Swim Club | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 78 | Marcus Burger | 40.27 | 10 | AA Min | AAA: 38.99 (+1.28s | 3.2%) | SwimMAC Carolina | 07/16/2026 | 2026 NCS LC AG Championships | |
| 79 | Simon Feldman | 40.27 | 9 | AA Min | AAA: 38.99 (+1.28s | 3.2%) | Fast Lane Aquatics | 05/15/2026 | 2026 PA Long Course Invite | |
| 80 | Andrei Emelianov | 40.33 | 10 | AA Min | AAA: 38.99 (+1.34s | 3.3%) | Nitro Swimming | 05/09/2026 | 2026 ST NTRO LC School S Out | |
| 81 | Wesley Kissel | 40.46 | 8 | AA Min | AAA: 38.99 (+1.47s | 3.6%) | SwimAtlanta | 06/18/2026 | 2026 Tennessee Aquatics June Invitational | |
| 82 | Justin Huang | 40.48 | 10 | AA Min | AAA: 38.99 (+1.49s | 3.7%) | Tac Titans | 06/11/2026 | 2026 CMC Triangle Classic Meet | |
| 83 | Lucas Ni | 40.50 | 9 | AA Min | AAA: 38.99 (+1.51s | 3.7%) | Makos Aquatics Club of Gainesv | 05/15/2026 | 2026 FAST May Invite | |
| 84 | Caleb Nash | 40.51 | 10 | AA Min | AAA: 38.99 (+1.52s | 3.8%) | Old North State Aquatics | 07/16/2026 | 2026 NCS LC AG Championships | |
| 85 | Drexton Dorvil | 40.51 | 10 | AA Min | AAA: 38.99 (+1.52s | 3.8%) | Southwest Stars Swim Club | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 86 | Michael Bodnar | 40.52 | 10 | AA Min | AAA: 38.99 (+1.53s | 3.8%) | SwimAtlanta | 06/18/2026 | 2026 Tennessee Aquatics June Invitational | |
| 87 | Jon Miriovsky | 40.54 | 10 | AA Min | AAA: 38.99 (+1.55s | 3.8%) | Huntsville Swim Association | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 88 | William Johnson | 40.56 | 9 | AA Min | AAA: 38.99 (+1.57s | 3.9%) | Swim Florida | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 89 | 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 | |
| 90 | 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 | |
| 91 | 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 | |
| 92 | 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 | |
| 93 | Xavier Kallus | 40.83 | 10 | AA Min | AAA: 38.99 (+1.84s | 4.5%) | Victoria Texas Aquatic Club | 07/09/2026 | 2026 ST NIST LC STAGS | |
| 94 | Juan Marquez | 40.84 | 10 | AA Min | AAA: 38.99 (+1.85s | 4.5%) | Heritage Aquatic Team | 06/26/2026 | 2026 Michael Lohberg Invitational | |
| 95 | Leo Williams | 40.95 | 9 | AA Min | AAA: 38.99 (+1.96s | 4.8%) | Marlins Of Raleigh | 04/25/2026 | 2026 NCAC Quad Meet | |
| 96 | Caleb Harrison | 40.96 | 10 | AA Min | AAA: 38.99 (+1.97s | 4.8%) | Huntsville Swim Association | 06/26/2026 | 2026 HSA June Invitational | |
| 97 | 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 | |
| 98 | Qurtis Lo | 40.99 | 10 | AA Min | AAA: 38.99 (+2.00s | 4.9%) | Marlins Of Raleigh | 07/16/2026 | 2026 NCS LC AG Championships | |
| 99 | Yu Xu | 41.03 | 10 | AA Min | AAA: 38.99 (+2.04s | 5.0%) | SwimMAC Carolina | 07/24/2026 | 2026 NC SwimMAC LC Summer Sun Sational | |
| 100 | Sawyer Ludeker | 41.03 | 10 | AA Min | AAA: 38.99 (+2.04s | 5.0%) | Stingrays Swim Team | 07/16/2026 | 2026 Virginia Swimming LC Age Group Champions | |
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.