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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4051 | Mark Perelman | 44.96 | 8 | B Min | BB: 42.89 (+2.07s | 4.6%) | Staten Island Aquatics Club | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 4052 | Landon Lewis | 44.97 | 9 | B Min | BB: 42.89 (+2.08s | 4.6%) | Mason Makos Swim Team | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 4053 | Cooper White | 44.97 | 6 | B Min | BB: 42.89 (+2.08s | 4.6%) | Williamsburg Aquatic Club | 02/07/2026 | 2026 8 And Under Southeastern District Champs | |
| 4054 | Elijah White | 44.97 | 10 | B Min | BB: 42.89 (+2.08s | 4.6%) | Hampton Virginia Current | 03/21/2026 | HVAC Spring Intra Squad Meet | |
| 4055 | Finnegan Dunn | 44.97 | 10 | B Min | BB: 42.89 (+2.08s | 4.6%) | New York Sharks Aquatics | 03/27/2026 | 2026 MR Metro Bronze Championship North | |
| 4056 | Ian Liu | 44.97 | 9 | B Min | BB: 42.89 (+2.08s | 4.6%) | Riptide Swim Team | 03/15/2025 | 2025 MN FOXJ Short Course 10 U State Champion | |
| 4057 | Jadon Lee | 44.97 | 10 | B Min | BB: 42.89 (+2.08s | 4.6%) | Wave Aquatics | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 4058 | Graham Talton | 44.97 | 10 | B Min | BB: 42.89 (+2.08s | 4.6%) | Enfinity Aquatic Club | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 4059 | Caden Paterson | 44.97 | 10 | B Min | BB: 42.89 (+2.08s | 4.6%) | Livermore AquaCowboys | 12/12/2025 | Winter SC Age Group Championships | |
| 4060 | Clay Carter | 44.97 | 9 | B Min | BB: 42.89 (+2.08s | 4.6%) | Potomac Marlins | 11/14/2025 | 2025 PV November Open PWCS | |
| 4061 | Aaron O'Shea | 44.97 | 8 | B Min | BB: 42.89 (+2.08s | 4.6%) | YMCA East Hampton Hurricanes | 10/11/2025 | 2025 MR TVSC Ann Wycoff Memorial Swim Meet | |
| 4062 | Dominic Morris | 44.98 | 10 | B Min | BB: 42.89 (+2.09s | 4.6%) | Three Rivers Swimming | 01/17/2026 | Club Mountaineer January Age Group Winter Spl | |
| 4063 | Jacob Ramos | 44.98 | 10 | B Min | BB: 42.89 (+2.09s | 4.6%) | Tac Titans | 05/02/2026 | 2026 TAC TITANS Oceanus Challenge Meet | |
| 4064 | Owen Hodge | 44.98 | 10 | B Min | BB: 42.89 (+2.09s | 4.6%) | Seahawks Swim club | 03/07/2026 | 2026 GTWY 8 Under Champs | |
| 4065 | Myles Self | 44.98 | 9 | B Min | BB: 42.89 (+2.09s | 4.6%) | YMCA of the Triangle Area Swim | 03/06/2026 | Jon Jolley GYSSA 2026 | |
| 4066 | Lleyton Thompson | 44.98 | 10 | B Min | BB: 42.89 (+2.09s | 4.6%) | Hurricanes Swim Team | 02/27/2026 | 2026 MN WEST Minnesota Regional Championship | |
| 4067 | Max Castrillon | 44.98 | 9 | B Min | BB: 42.89 (+2.09s | 4.6%) | Tollefson Swimming | 01/17/2026 | PVS January Open 2026 Fairland | |
| 4068 | Bryant Xin | 44.98 | 7 | B Min | BB: 42.89 (+2.09s | 4.6%) | Westchester Aquatic Club | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 4069 | Tenuun Bayarjargal | 44.99 | 10 | B Min | BB: 42.89 (+2.10s | 4.7%) | Life Time Mid Atlantic Swim Te | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 4070 | Jason Ma | 44.99 | 10 | B Min | BB: 42.89 (+2.10s | 4.7%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 4071 | Blake Morris | 44.99 | 10 | B Min | BB: 42.89 (+2.10s | 4.7%) | Naval Academy Aquatic Club | 01/17/2026 | 2026 Duck Bowl | |
| 4072 | Carson DeMarco | 44.99 | 10 | B Min | BB: 42.89 (+2.10s | 4.7%) | O\\\\\\'Neal Aquatics | 12/12/2025 | Triad Tropic Invitational Copied | |
| 4073 | Keone Sheriff | 45.00 | 8 | B Min | BB: 42.89 (+2.11s | 4.7%) | Victory Lane Aquatic Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 4074 | Khai Cho-Khaliq | 45.00 | 9 | B Min | BB: 42.89 (+2.11s | 4.7%) | Rockville Montgomery Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 4075 | Jude Zlotnik | 45.00 | 10 | B Min | BB: 42.89 (+2.11s | 4.7%) | Empire Swimming | 11/08/2025 | 2025 MR PAC Maria Parmanan Invitational | |
| 4076 | Abhinav Yadavalli | 45.00 | 9 | B Min | BB: 42.89 (+2.11s | 4.7%) | Monocacy Aquatic Club | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 4077 | Charles Lininger | 45.00 | 10 | B Min | BB: 42.89 (+2.11s | 4.7%) | Byron Center Aquatics | 12/13/2025 | 2025 Holiday Cup | |
| 4078 | Alexander Howell | 45.01 | 10 | B Min | BB: 42.89 (+2.12s | 4.7%) | Byron Center Aquatics | 10/17/2025 | 2025 WMS Boo Bash | |
| 4079 | Westley Butler | 45.01 | 10 | B Min | BB: 42.89 (+2.12s | 4.7%) | Greater Omaha Aquatics Leopard | 02/20/2026 | 2026 MW Midwestern Age Group Short Course | |
| 4080 | Solomon Shum | 45.01 | 10 | B Min | BB: 42.89 (+2.12s | 4.7%) | Bgc-N. Westchester Marlins | 12/05/2025 | 2025 MR BGNW December 14 Under Invitational | |
| 4081 | Sebastian Monroy Reyes | 45.01 | 10 | B Min | BB: 42.89 (+2.12s | 4.7%) | Sunnyvale Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 4082 | Nathan Chen | 45.01 | 9 | B Min | BB: 42.89 (+2.12s | 4.7%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 4083 | Axel Danielsen | 45.01 | 10 | B Min | BB: 42.89 (+2.12s | 4.7%) | Hood River Valley Swim Team | 05/09/2026 | 2026 Spring Sprinter Invitational | |
| 4084 | Jude Mitchell | 45.02 | 8 | B Min | BB: 42.89 (+2.13s | 4.7%) | New Wave Swim Team | 02/07/2026 | 2026 MOR Snowflake 3 Meet | |
| 4085 | Evan Tsuchitani | 45.02 | 7 | B Min | BB: 42.89 (+2.13s | 4.7%) | Mason Makos Swim Team | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 4086 | Miles Platt | 45.02 | 10 | B Min | BB: 42.89 (+2.13s | 4.7%) | King Aquatic Club | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 4087 | Ian Paredes | 45.02 | 10 | B Min | BB: 42.89 (+2.13s | 4.7%) | Northeast Houston Aquatics | 02/21/2025 | 2025 Gulf 12 Under Champs (NOCH) | |
| 4088 | Royce Reed | 45.02 | 8 | B Min | BB: 42.89 (+2.13s | 4.7%) | King Aquatic Club | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 4089 | Maxwell Kelsey | 45.03 | 9 | B Min | BB: 42.89 (+2.14s | 4.8%) | Almaden Riptide | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 4090 | Yadier Cruz-Cruz | 45.03 | 9 | B Min | BB: 42.89 (+2.14s | 4.8%) | Mississippi Makos Swim Team | 12/05/2025 | 2025 SE Christmas In Auburn | |
| 4091 | Aaron Vainshtein | 45.03 | 9 | B Min | BB: 42.89 (+2.14s | 4.8%) | Rockville Montgomery Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 4092 | Nicholas McFarlin | 45.03 | 10 | B Min | BB: 42.89 (+2.14s | 4.8%) | Magnolia Aquatic Club | 01/10/2025 | MAC 2025 Neon New Year Meet | |
| 4093 | Andrew Kenly | 45.03 | 10 | B Min | BB: 42.89 (+2.14s | 4.8%) | Avon Swim Club | 05/16/2026 | 2026 CO Sopris FAST Challenge | |
| 4094 | Colin Swisher | 45.03 | 10 | B Min | BB: 42.89 (+2.14s | 4.8%) | Sioux Center Seahawks | 01/31/2026 | 2026 MW SCH Lorna Moss Winter Splash | |
| 4095 | Lowen Joyce | 45.03 | 10 | B Min | BB: 42.89 (+2.14s | 4.8%) | Team Sopris Swimming | 05/16/2026 | 2026 CO Sopris FAST Challenge | |
| 4096 | Walter Ogdon | 45.03 | 10 | B Min | BB: 42.89 (+2.14s | 4.8%) | Tualatin Hills Swim Club | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 4097 | Jack Willey | 45.04 | 10 | B Min | BB: 42.89 (+2.15s | 4.8%) | Almaden Riptide | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 4098 | Tyler Furie | 45.04 | 9 | B Min | BB: 42.89 (+2.15s | 4.8%) | Bgc-N. Westchester Marlins | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 4099 | Emmett Gasior | 45.04 | 10 | B Min | BB: 42.89 (+2.15s | 4.8%) | Naval Academy Aquatic Club | 11/07/2025 | 2025 CAC 5th Annual Zachary Spain Memorial Me | |
| 4100 | Bennett Rhodes | 45.04 | 10 | B Min | BB: 42.89 (+2.15s | 4.8%) | Nation\\\\\\'s Capital Swim Club | 12/04/2025 | 2025 RAYS Nutcracker Classic Copied | |
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.