USA Boys 10 & under - 50 Y 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3051 | Jack Campbell | 43.06 | 9 | B Min | BB: 42.89 (+0.17s | 0.4%) | Moraga Valley Pool | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 3052 | Cameron Em | 43.06 | 10 | B Min | BB: 42.89 (+0.17s | 0.4%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 3053 | Deniz Gokbulut | 43.06 | 10 | B Min | BB: 42.89 (+0.17s | 0.4%) | Pro Swimming | 03/06/2026 | 2026 PN PRO March Last Chance Intra Apprived | |
| 3054 | Isaac Davis | 43.07 | 9 | B Min | BB: 42.89 (+0.18s | 0.4%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 10/17/2025 | 2025 OLY Fall Classic | |
| 3055 | Kevin Richard Nguyen | 43.07 | 10 | B Min | BB: 42.89 (+0.18s | 0.4%) | Seattle Metropolitan Aquatic C | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 3056 | Bryan Xia | 43.08 | 7 | B Min | BB: 42.89 (+0.19s | 0.4%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 3057 | Conner Lemon | 43.08 | 10 | B Min | BB: 42.89 (+0.19s | 0.4%) | Nitro Swimming | 01/31/2026 | 2026 ST NTRO Fiery Flames | |
| 3058 | Gage Sena | 43.08 | 10 | B Min | BB: 42.89 (+0.19s | 0.4%) | Lamarlins Swim Team, Inc. | 07/25/2025 | 2025 CO SECAL Championships | |
| 3059 | Zai Russell | 43.08 | 9 | B Min | BB: 42.89 (+0.19s | 0.4%) | Sarasota Sharks | 04/18/2026 | CCS Spring Classic 2026 | |
| 3060 | Theodore Ellington | 43.08 | 9 | B Min | BB: 42.89 (+0.19s | 0.4%) | Stingray Swim Team | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 3061 | Micah Odrzywolski | 43.08 | 10 | B Min | BB: 42.89 (+0.19s | 0.4%) | Piranhas YMCA of the Suncoast | 11/02/2025 | SUNDAY MORNING RACES NOV 2 | |
| 3062 | Leo Miyamoto | 43.08 | 10 | B Min | BB: 42.89 (+0.19s | 0.4%) | Napa Valley Swim Team | 11/15/2025 | NVST Swimming Into Fall 2025 | |
| 3063 | Greyson Eatherly | 43.09 | 10 | B Min | BB: 42.89 (+0.20s | 0.5%) | Cascade Swim Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 2 | |
| 3064 | DongHyuk Kang | 43.09 | 9 | B Min | BB: 42.89 (+0.20s | 0.5%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 3065 | Beckett Alvord | 43.09 | 10 | B Min | BB: 42.89 (+0.20s | 0.5%) | Team Sopris Swimming | 01/10/2025 | 2025 CO MAValanche Invitational | |
| 3066 | Kayeung Ho | 43.09 | 10 | B Min | BB: 42.89 (+0.20s | 0.5%) | Nation\\\\\\'s Capital Swim Club | 01/17/2026 | PVS January Open 2026 Fairland | |
| 3067 | Auden Farley | 43.09 | 9 | B Min | BB: 42.89 (+0.20s | 0.5%) | Sporting Jax Aquatic Club | 01/17/2026 | 2026 GOAT TYR Team Challenge And SYOA | |
| 3068 | Arvin Laine | 43.10 | 10 | B Min | BB: 42.89 (+0.21s | 0.5%) | CAC Stingrays Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 3069 | Erik Hai | 43.10 | 10 | B Min | BB: 42.89 (+0.21s | 0.5%) | The Claremont Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 3070 | Truman Moderski | 43.10 | 7 | B Min | BB: 42.89 (+0.21s | 0.5%) | Evergreen Hurricanes | 03/13/2026 | Mile High Championship Invitational | |
| 3071 | Connor DeMaria | 43.10 | 10 | B Min | BB: 42.89 (+0.21s | 0.5%) | Grosse Pointe Gators | 03/07/2026 | 2026 Lake Erie Regional Meet | |
| 3072 | Wyatt Oberschlake | 43.10 | 9 | B Min | BB: 42.89 (+0.21s | 0.5%) | Mercy HealthPlex Sea Wolves | 03/12/2026 | 2026 OH SC Junior Championships | |
| 3073 | Hunter Lamar | 43.10 | 9 | B Min | BB: 42.89 (+0.21s | 0.5%) | Detroit All Star Aquatics | 03/07/2026 | 2026 Lake Erie Regional Meet | |
| 3074 | Declan Scheid | 43.11 | 10 | B Min | BB: 42.89 (+0.22s | 0.5%) | Ridgewood YMCA Breakers Swim T | 10/10/2025 | 2025 MR COND October Fall Festival | |
| 3075 | Bennett Fraser | 43.11 | 8 | B Min | BB: 42.89 (+0.22s | 0.5%) | Aquawolves Swimming | 03/06/2026 | 2026 CO 14 U Silver State | |
| 3076 | Atulit Gaur | 43.11 | 10 | B Min | BB: 42.89 (+0.22s | 0.5%) | United Swim Club | 02/06/2026 | 2026 NE CRA Last Chance February Invite | |
| 3077 | Lehai Li | 43.12 | 10 | B Min | BB: 42.89 (+0.23s | 0.5%) | Alto Swim Club | 03/29/2025 | Alto Rock The Blocks Invitational | |
| 3078 | Matthew Neuss | 43.12 | 10 | B Min | BB: 42.89 (+0.23s | 0.5%) | YMCA of the Triangle Area Swim | 03/06/2026 | Jon Jolley GYSSA 2026 | |
| 3079 | Simon Zvenigorodskiy | 43.12 | 9 | B Min | BB: 42.89 (+0.23s | 0.5%) | Jcc Sea Serpents | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 3080 | Alexi Covarrubias | 43.12 | 10 | B Min | BB: 42.89 (+0.23s | 0.5%) | West Texas Typhoon | 02/22/2026 | 2026 BD SC Jr Border Championship | |
| 3081 | Charlie Jones | 43.12 | 9 | B Min | BB: 42.89 (+0.23s | 0.5%) | Everett | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 3082 | Alexander Bago | 43.13 | 10 | B Min | BB: 42.89 (+0.24s | 0.6%) | Badger Swim Club,Inc. | 01/17/2026 | 2026 MR AGUA MLK Invitational | |
| 3083 | Elliott Horng | 43.13 | 8 | B Min | BB: 42.89 (+0.24s | 0.6%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 3084 | Edison Cois | 43.13 | 10 | B Min | BB: 42.89 (+0.24s | 0.6%) | Life Time Oregon Swim Team | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 3085 | Beckham Pannel | 43.14 | 10 | B Min | BB: 42.89 (+0.25s | 0.6%) | Shock Wave | 11/07/2025 | 2025 SE BSL Cranberry Classic | |
| 3086 | Vincent McAndrews | 43.14 | 10 | B Min | BB: 42.89 (+0.25s | 0.6%) | Saint Andrew\\\\\\'s Aquatics | 02/06/2026 | Friendship Meet 2026 | |
| 3087 | Theodore Post | 43.14 | 9 | B Min | BB: 42.89 (+0.25s | 0.6%) | Swim Team of Placentia | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 3088 | Benjamin Matson | 43.15 | 9 | B Min | BB: 42.89 (+0.26s | 0.6%) | Annapolis Swim Club | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 3089 | Jeffrey Yang | 43.15 | 9 | B Min | BB: 42.89 (+0.26s | 0.6%) | Swim Torrance | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 3090 | Adam Wang | 43.15 | 9 | B Min | BB: 42.89 (+0.26s | 0.6%) | Riptide Swim Team | 02/27/2026 | 2026 MN MAN Minnesota Regional Championship | |
| 3091 | Ruben Pulido | 43.16 | 7 | B Min | BB: 42.89 (+0.27s | 0.6%) | Blue Marlins Of Hialeah Garden | 06/20/2026 | NMST BMHG June Summer Invite 26 (SCY) Cop | |
| 3092 | Carter Schwenk | 43.16 | 10 | B Min | BB: 42.89 (+0.27s | 0.6%) | Burlingame Aquatics | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 3093 | Conor Valdez | 43.16 | 9 | B Min | BB: 42.89 (+0.27s | 0.6%) | Greater Pensacola Aquatic Club | 02/13/2026 | 2026 SES Region 4 Championships | |
| 3094 | John Henry | 43.16 | 10 | B Min | BB: 42.89 (+0.27s | 0.6%) | 92ny Flying Dolphins | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | |
| 3095 | Jacob Gamio | 43.16 | 9 | B Min | BB: 42.89 (+0.27s | 0.6%) | Unattached | 01/10/2026 | 2026 ST AHAC B Champs South Copied | |
| 3096 | Edmund Merrill | 43.17 | 9 | B Min | BB: 42.89 (+0.28s | 0.6%) | Westbrook Seals | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 3097 | Joseph Fernandez | 43.18 | 9 | B Min | BB: 42.89 (+0.29s | 0.7%) | Staten Island Aquatics Club | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 3098 | Sahand Saeidi | 43.18 | 9 | B Min | BB: 42.89 (+0.29s | 0.7%) | Commonwealth Swimming | 06/26/2026 | 2026 NE CS Summer Classic | |
| 3099 | Benjamin Uriburu-Routh | 43.18 | 10 | B Min | BB: 42.89 (+0.29s | 0.7%) | Frederick Area Swim Team | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 3100 | Paton Sawyer | 43.19 | 9 | B Min | BB: 42.89 (+0.30s | 0.7%) | Bellingham Bay Swim Team | 05/15/2026 | 2026 PN TAC Spring Thunderbird Approved | |
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.