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 | |
|---|---|---|---|---|---|---|---|---|---|
| 151 | Aiden Chung | 38.75 | 10 | AAA Min | AAAA: 36.99 (+1.76s | 4.5%) | Patriot Swim Club | 07/30/2026 | Long Course Far Westerns | |
| 152 | Kai Hawkes | 38.75 | 10 | AAA Min | AAAA: 36.99 (+1.76s | 4.5%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 153 | 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 | |
| 154 | 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 | |
| 155 | Davis King | 38.81 | 9 | AAA Min | AAAA: 36.99 (+1.82s | 4.7%) | Tac Titans | 07/16/2026 | 2026 NCS LC AG Championships | |
| 156 | Bennett Montague | 38.82 | 10 | AAA Min | AAAA: 36.99 (+1.83s | 4.7%) | Cypress Fairbanks Swim Club | 06/12/2026 | 2026 ST TXLA Texas Open Invite | |
| 157 | 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 | |
| 158 | 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 | |
| 159 | Hamilton Holliday | 38.83 | 10 | AAA Min | AAAA: 36.99 (+1.84s | 4.7%) | Huntsville Swim Association | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 160 | 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 | |
| 161 | Henson Terrill | 38.86 | 10 | AAA Min | AAAA: 36.99 (+1.87s | 4.8%) | Hydro Elite Aquatic Team | 07/16/2025 | 2025 Texas Age Group Championships | |
| 162 | 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 | |
| 163 | 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 | |
| 164 | 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 | |
| 165 | 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 | |
| 166 | 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 | |
| 167 | Paxton Marvray | 38.89 | 10 | AAA Min | AAAA: 36.99 (+1.90s | 4.9%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 168 | 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 | |
| 169 | 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 | |
| 170 | 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 | |
| 171 | Heath Cobb | 38.93 | 9 | AAA Min | AAAA: 36.99 (+1.94s | 5.0%) | Metroplex Aquatics | 07/16/2025 | 2025 Texas Age Group Championships | |
| 172 | Brayden Nguyen | 38.95 | 10 | AAA Min | AAAA: 36.99 (+1.96s | 5.0%) | San Jose Goosemonkeys | 07/30/2026 | Long Course Far Westerns | |
| 173 | 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 | |
| 174 | Wyatt Larson | 38.99 | 10 | AAA Min | AAAA: 36.99 (+2.00s | 5.1%) | Denver Swim Academy | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 175 | Francis Li | 39.02 | 9 | AA Min | AAA: 38.99 (+0.03s | 0.1%) | Unattached | 08/07/2024 | 2024 EZ LC Age Group Championship | |
| 176 | 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 | |
| 177 | Logan Glick | 39.04 | 10 | AA Min | AAA: 38.99 (+0.05s | 0.1%) | Texas Ford Aquatics | 07/16/2025 | 2025 Texas Age Group Championships | |
| 178 | Luke Ford | 39.06 | 10 | AA Min | AAA: 38.99 (+0.07s | 0.2%) | The Claremont Club | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 179 | Renzhi Dong | 39.06 | 10 | AA Min | AAA: 38.99 (+0.07s | 0.2%) | Charles River Aquatics | 05/08/2026 | 2026 NE CRA MIT Team Specialty LC Meet | |
| 180 | Mitchell Eichorn | 39.07 | 10 | AA Min | AAA: 38.99 (+0.08s | 0.2%) | Buckeye Swim Club | 07/23/2026 | 2026 OH LC Junior Championships | |
| 181 | Jacob Liu | 39.09 | 10 | AA Min | AAA: 38.99 (+0.10s | 0.3%) | Aquazot Swim Club | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 182 | Qifan Gong | 39.13 | 9 | AA Min | AAA: 38.99 (+0.14s | 0.4%) | Bellevue Club Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 183 | Arlo Edwards | 39.14 | 10 | AA Min | AAA: 38.99 (+0.15s | 0.4%) | Memphis Tiger Swimming | 06/26/2026 | 2026 Dick Fadgen Tiger Classic | |
| 184 | Jayden Yuen | 39.21 | 10 | AA Min | AAA: 38.99 (+0.22s | 0.6%) | Arctic Aquatics | 04/11/2026 | 2026 NE CS Season Opener | |
| 185 | Gavin Mahrous | 39.23 | 9 | AA Min | AAA: 38.99 (+0.24s | 0.6%) | Sioux Falls Swim Team | 05/08/2026 | 2026 SD SFST Ready For Long Course Meet | |
| 186 | Yixuan Zhu | 39.24 | 10 | AA Min | AAA: 38.99 (+0.25s | 0.6%) | Pleasanton Seahawks | 07/30/2026 | Long Course Far Westerns | |
| 187 | Luke VanWoerkom | 39.25 | 10 | AA Min | AAA: 38.99 (+0.26s | 0.7%) | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | |
| 188 | Brooks Nemeth | 39.26 | 9 | AA Min | AAA: 38.99 (+0.27s | 0.7%) | SwimRVA | 07/16/2026 | 2026 Virginia Swimming LC Age Group Champions | |
| 189 | Elliott Lindley | 39.28 | 10 | AA Min | AAA: 38.99 (+0.29s | 0.7%) | Los Altos Mountain View Aquati | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 190 | Jensen Huang | 39.30 | 10 | AA Min | AAA: 38.99 (+0.31s | 0.8%) | Arcadia Riptides Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 191 | John Stitzenberg | 39.30 | 9 | AA Min | AAA: 38.99 (+0.31s | 0.8%) | North Carolina Aquatic Club | 06/25/2026 | ONSA Independence Invitational Copied | |
| 192 | Ari Thorne | 39.30 | 10 | AA Min | AAA: 38.99 (+0.31s | 0.8%) | Sarasota Sharks | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 193 | Preston Kerchusky | 39.31 | 10 | AA Min | AAA: 38.99 (+0.32s | 0.8%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 194 | Maxwell Dean | 39.31 | 10 | AA Min | AAA: 38.99 (+0.32s | 0.8%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 195 | Arlo Nagy | 39.32 | 9 | AA Min | AAA: 38.99 (+0.33s | 0.8%) | Minnetonka Swim Club | 06/11/2026 | 2026 MN AQJT Aquajets Summer Spectacular | |
| 196 | Kai Kennedy | 39.33 | 10 | BB Min | A: 37.69 (+1.64s | 4.2%) | Academy Swim Club | 07/16/2026 | 2026 HISI LCM Championships | |
| 197 | Philip Rodriguez | 39.36 | 10 | AA Min | AAA: 38.99 (+0.37s | 0.9%) | Tac Titans | 07/16/2026 | 2026 NCS LC AG Championships | |
| 198 | Austin Loving | 39.36 | 10 | AA Min | AAA: 38.99 (+0.37s | 0.9%) | Nova of Virginia | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
| 199 | Dalton Gonzalez | 39.37 | 9 | AA Min | AAA: 38.99 (+0.38s | 1.0%) | Nitro Swimming | 06/20/2026 | 2026 ST NTRO LC Summer Classic | |
| 200 | James Villarreal | 39.37 | 10 | AA Min | AAA: 38.99 (+0.38s | 1.0%) | SwimAtlanta | 06/18/2026 | 2026 Tennessee Aquatics June Invitational | |
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.