Southern Zone Zone Boys 10 & under - 50 Y 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 901 | Knox Berry | 43.99 | 9 | B Min | BB: 42.89 (+1.10s | 2.5%) | Cleveland Aquatics | 10/17/2025 | 2025 MCC October Invite | |
| 902 | Owen McDonald | 44.01 | 9 | B Min | BB: 42.89 (+1.12s | 2.5%) | Houston Hydra | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 903 | Hayes Perdue | 44.03 | 10 | B Min | BB: 42.89 (+1.14s | 2.6%) | Mississippi Makos Swim Team | 12/05/2025 | 2025 SE Christmas In Auburn | |
| 904 | Ethan Gordon | 44.03 | 9 | B Min | BB: 42.89 (+1.14s | 2.6%) | North Carolina Aquatic Club | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 905 | Jacob Day | 44.05 | 10 | B Min | BB: 42.89 (+1.16s | 2.6%) | Montgomery Aquatic Race Club | 01/10/2025 | MAC 2025 Neon New Year Meet | |
| 906 | Colson Hosford | 44.06 | 10 | B Min | BB: 42.89 (+1.17s | 2.7%) | Area Tallahassee Aquatic Club | 09/19/2025 | 2025 Tropic Like It S Hot Open | |
| 907 | Nicolas Wilkes | 44.06 | 9 | B Min | BB: 42.89 (+1.17s | 2.7%) | City of Mobile Swim Associatio | 10/04/2025 | 2025 CMSA Vance Rose Invitational | |
| 908 | Easton Yu | 44.06 | 10 | B Min | BB: 42.89 (+1.17s | 2.7%) | Longhorn Aquatics | 10/11/2025 | 2025 ST WOW Great Pumpkin Plunge | |
| 909 | Jonah Friedrich | 44.06 | 10 | B Min | BB: 42.89 (+1.17s | 2.7%) | SwimMAC Carolina | 01/23/2026 | 2026 NC SwimMAC Battle Of The Crown | |
| 910 | Zakhar Biliavskyi | 44.08 | 8 | B Min | BB: 42.89 (+1.19s | 2.7%) | Tac Titans | 12/19/2025 | 2025 TAC TITANS Jingle Bells Meet | |
| 911 | Christian Kewley | 44.08 | 10 | B Min | BB: 42.89 (+1.19s | 2.7%) | Southwest Stars Swim Club | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 912 | Lucas Ding | 44.08 | 8 | B Min | BB: 42.89 (+1.19s | 2.7%) | Waterloo Swimming | 01/17/2026 | 2026 ST AQTX B Champs North | |
| 913 | Owen Cochrane | 44.09 | 8 | B Min | BB: 42.89 (+1.20s | 2.7%) | Catawba Valley Aquatic Club | 01/10/2026 | ATOM Frosty Invitational 2026 | |
| 914 | John Driver | 44.10 | 10 | B Min | BB: 42.89 (+1.21s | 2.7%) | Marshall County Swim Club | 02/06/2026 | 2026 SES Region 3 Champions | |
| 915 | Callahan Calkins | 44.10 | 10 | B Min | BB: 42.89 (+1.21s | 2.7%) | Hydro Swim Club | 10/26/2025 | 2025 Hydro Halloween Pentathlon Copied | |
| 916 | Jackson Woods | 44.12 | 9 | B Min | BB: 42.89 (+1.23s | 2.8%) | Inspire Swimming | 01/17/2026 | 2026 ST AAAA NS Frostbite | |
| 917 | Adam Johnson | 44.13 | 9 | B Min | BB: 42.89 (+1.24s | 2.8%) | The Woodlands Swim Team | 01/17/2025 | 2025 TWST Speedo Winter Classic Invitational | |
| 918 | Collin Hodges | 44.14 | 10 | B Min | BB: 42.89 (+1.25s | 2.8%) | Cullman Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 919 | Roman Jamil | 44.14 | 9 | B Min | BB: 42.89 (+1.25s | 2.8%) | Mecklenburg Swim Association | 02/07/2026 | MSA IM Tough Meet 2026 | |
| 920 | Nick Loguinov | 44.14 | 9 | B Min | BB: 42.89 (+1.25s | 2.8%) | Unattached | 11/09/2024 | 2024 LSST November Open Meet | |
| 921 | Michael Jordan | 44.16 | 9 | B Min | BB: 42.89 (+1.27s | 2.9%) | Lakewood Ranch Swim Associatio | 11/07/2025 | 2025 SYS Turkey Meet | |
| 922 | Aidan Lee | 44.16 | 9 | B Min | BB: 42.89 (+1.27s | 2.9%) | Auburn Aquatics | 09/20/2025 | OST Fall Invite | |
| 923 | Jack Arckey | 44.16 | 9 | B Min | BB: 42.89 (+1.27s | 2.9%) | Sarasota Sharks | 01/23/2026 | 2026 Hot Chocolate Invite | |
| 924 | Conrad Agar | 44.17 | 9 | B Min | BB: 42.89 (+1.28s | 2.9%) | Ensworth Aquatics | 12/13/2025 | 2025 Marshmallow Mini | |
| 925 | Grayson Choong | 44.18 | 9 | B Min | BB: 42.89 (+1.29s | 2.9%) | First Colony Swim Team, Inc. | 02/21/2025 | 2025 Gulf 12 Under Champs (PACK) | |
| 926 | Edward Kranz | 44.20 | 9 | B Min | BB: 42.89 (+1.31s | 3.0%) | Y-Spartaquatics Swim Club | 01/16/2026 | 2026 TNAQ JANUARY INVITATIONAL | |
| 927 | Anderson Miller | 44.20 | 7 | B Min | BB: 42.89 (+1.31s | 3.0%) | YMCA of the Triangle Area Swim | 03/06/2026 | Jon Jolley GYSSA 2026 | |
| 928 | Hendrix Kelly | 44.23 | 9 | B Min | BB: 42.89 (+1.34s | 3.0%) | Madison Swimming Association | 01/30/2026 | MSA Ray Fogg Memorial Meet 2026 | |
| 929 | Orlando Godoy | 44.25 | 9 | B Min | BB: 42.89 (+1.36s | 3.1%) | City of Mobile Swim Associatio | 02/13/2026 | 2026 SES Region 4 Championships | |
| 930 | William Massie | 44.26 | 10 | B Min | BB: 42.89 (+1.37s | 3.1%) | O\\\\\\'Neal Aquatics | 12/12/2025 | Triad Tropic Invitational Copied | |
| 931 | Leonardo Madrigal Jimenez | 44.27 | 10 | B Min | BB: 42.89 (+1.38s | 3.1%) | South Florida Aquatic Club | 04/18/2026 | SoFlo 12 Under Spring Invitational | |
| 932 | Adam Elshamy | 44.29 | 10 | B Min | BB: 42.89 (+1.40s | 3.2%) | The Woodlands Swim Team | 12/20/2024 | MAC Hosted 2024 Gulf Fall Champs | |
| 933 | Andrew Kibbe | 44.30 | 10 | B Min | BB: 42.89 (+1.41s | 3.2%) | Rocky Mount Family YMCA Racers | 03/06/2026 | Jon Jolley GYSSA 2026 | |
| 934 | Hongyi Shu | 44.30 | 8 | B Min | BB: 42.89 (+1.41s | 3.2%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 935 | John Dollar | 44.30 | 8 | B Min | BB: 42.89 (+1.41s | 3.2%) | Marshall County Swim Club | 01/16/2026 | 2026 HSA TYR Invitational | |
| 936 | Rutianyi Han | 44.30 | 9 | B Min | BB: 42.89 (+1.41s | 3.2%) | Saint Petersburg Aquatics | 01/23/2026 | BLOOMIN FAST SWIM MEET | |
| 937 | Sam Yuan | 44.31 | 9 | B Min | BB: 42.89 (+1.42s | 3.2%) | Katy Aquatic Team For Youth | 01/18/2025 | 2025 LSST January Frosty Meet | |
| 938 | Samuel Ollestad | 44.31 | 8 | B Min | BB: 42.89 (+1.42s | 3.2%) | Lone Star Aquatic Club | 10/26/2025 | 2025 ST TXLA 10 U Fall Kick Off | |
| 939 | Jack Tan | 44.31 | 10 | B Min | BB: 42.89 (+1.42s | 3.2%) | Texas Elite Swim Team | 11/09/2024 | 2024 LSST November Open Meet | |
| 940 | Owen Adalia | 44.33 | 9 | B Min | BB: 42.89 (+1.44s | 3.2%) | Sporting Jax Aquatic Club | 10/25/2025 | 2025 SJAC Halloween Invitational | |
| 941 | Axl Landers | 44.34 | 9 | B Min | BB: 42.89 (+1.45s | 3.3%) | Starkville Swim Team | 11/21/2025 | 2025 Tiger Turkey Tumble | |
| 942 | James McCreary | 44.34 | 10 | B Min | BB: 42.89 (+1.45s | 3.3%) | Madison Swimming Association | 01/30/2026 | MSA Ray Fogg Memorial Meet 2026 | |
| 943 | Jayden Silveira | 44.34 | 10 | B Min | BB: 42.89 (+1.45s | 3.3%) | Fast Falcons | 09/21/2025 | 2025 FAST Pentathlon | |
| 944 | Cooper Koehn | 44.34 | 10 | B Min | BB: 42.89 (+1.45s | 3.3%) | Starkville Swim Team | 11/21/2025 | 2025 Tiger Turkey Tumble | |
| 945 | Jasper Senko | 44.34 | 10 | B Min | BB: 42.89 (+1.45s | 3.3%) | Swim Streamline at Northampton | 01/03/2025 | 2025 SSAN Winter Invite | |
| 946 | Aaron Kostogorov | 44.34 | 10 | B Min | BB: 42.89 (+1.45s | 3.3%) | Asheville Jewish Community Cen | 11/15/2025 | 2025 The Gourd Time Gathering | |
| 947 | Benjamin Zhang | 44.35 | 8 | B Min | BB: 42.89 (+1.46s | 3.3%) | SwimMAC Carolina | 03/07/2026 | 2026 SwimMAC BC Championship | |
| 948 | Cameron Roberts | 44.37 | 8 | B Min | BB: 42.89 (+1.48s | 3.3%) | Sailfish | 03/28/2026 | 2026 ST SGA Spring Fling Meet | |
| 949 | Mason Park | 44.38 | 10 | B Min | BB: 42.89 (+1.49s | 3.4%) | Auburn Aquatics | 01/16/2026 | 2026 SE Ralph Crocker Classic | |
| 950 | Alvaro Hernandez | 44.38 | 9 | B Min | BB: 42.89 (+1.49s | 3.4%) | YMCA of Northwest North Caroli | 10/10/2025 | 2025 TYDE Andy Craver Autumn Leaves Inv | |
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.