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 | |
|---|---|---|---|---|---|---|---|---|---|
| 5051 | Frederick Meerkamp | 45.81 | 8 | B Min | BB: 42.89 (+2.92s | 6.4%) | Bgc-N. Westchester Marlins | 01/30/2026 | 2026 MR BGNW February Freeze Invitational | |
| 5052 | Hyrum Oswald | 45.81 | 9 | B Min | BB: 42.89 (+2.92s | 6.4%) | Utah Valley Aquatics | 10/23/2025 | 2025 Mike Harper Open | |
| 5053 | Logan Hinckle | 45.81 | 9 | B Min | BB: 42.89 (+2.92s | 6.4%) | SwimRVA | 01/16/2026 | GSA January Jump Start 2026 | |
| 5054 | Maximilian Zhou | 45.81 | 9 | B Min | BB: 42.89 (+2.92s | 6.4%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 5055 | Klein Durbin | 45.81 | 10 | B Min | BB: 42.89 (+2.92s | 6.4%) | Cypress Fairbanks Swim Club | 01/03/2025 | PACK Rubber Duckie Invite 2025 | |
| 5056 | Brycen Polackoff | 45.81 | 10 | B Min | BB: 42.89 (+2.92s | 6.4%) | Marlins Of Raleigh | 01/16/2026 | 2026 RSA Winter Tri | |
| 5057 | Heinrich Forsbach Sotelo | 45.81 | 9 | B Min | BB: 42.89 (+2.92s | 6.4%) | Quest Swimming | 09/19/2025 | Quest Swimming Kickoff Intrasquad | |
| 5058 | Calvin Luoma | 45.81 | 10 | B Min | BB: 42.89 (+2.92s | 6.4%) | Egra Waves | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 5059 | Brendan Bauer | 45.81 | 10 | B Min | BB: 42.89 (+2.92s | 6.4%) | Dublin Community Swim Team | 02/19/2026 | 2026 OH WOR SC Regional Championships | |
| 5060 | Foster Douglass | 45.82 | 9 | B Min | BB: 42.89 (+2.93s | 6.4%) | Hood River Valley Swim Team | 01/10/2026 | 2026 Hood River Winter Invitational | |
| 5061 | Matthew Merz | 45.82 | 9 | B Min | BB: 42.89 (+2.93s | 6.4%) | Los Gatos Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 5062 | Samuel Lopez Silva | 45.82 | 10 | B Min | BB: 42.89 (+2.93s | 6.4%) | Pro Swimming | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 5063 | Leo Roomet | 45.82 | 9 | B Min | BB: 42.89 (+2.93s | 6.4%) | Maui Dolphins Swim Club | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 5064 | Thomas Lam | 45.82 | 8 | B Min | BB: 42.89 (+2.93s | 6.4%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 5065 | Asa Perna | 45.83 | 10 | B Min | BB: 42.89 (+2.94s | 6.4%) | Pacific Piranha Swim Team | 11/01/2025 | 2025 PN Bob Miller Sprint Distance Classic | |
| 5066 | Henry Beilstein | 45.83 | 10 | B Min | BB: 42.89 (+2.94s | 6.4%) | Metro Dynasty Swim Team | 02/13/2026 | 39th Black History Swim Meet | |
| 5067 | William Song | 45.83 | 8 | B Min | BB: 42.89 (+2.94s | 6.4%) | Seattle Metropolitan Aquatic C | 02/13/2026 | 2026 PN UPAC 4th Annual Feb Fly In Approved | |
| 5068 | John Grewe | 45.83 | 8 | B Min | BB: 42.89 (+2.94s | 6.4%) | Sporting Jax Aquatic Club | 09/21/2025 | 2025 Planet Swim Season Opener | |
| 5069 | Remington Schwartz | 45.83 | 8 | B Min | BB: 42.89 (+2.94s | 6.4%) | Swim Florida | 01/16/2026 | 2026 T2 Aquatics Naples Open | |
| 5070 | Cedrick Lo | 45.83 | 10 | B Min | BB: 42.89 (+2.94s | 6.4%) | Sandpipers of Nevada | 11/08/2024 | 2024 NV State Championships | |
| 5071 | Everett Harrell | 45.84 | 9 | B Min | BB: 42.89 (+2.95s | 6.4%) | Com Aquatics | 11/14/2025 | 2025 ST AAAA AH PW NC Invite | |
| 5072 | Jacksyn Henry | 45.84 | 8 | B Min | BB: 42.89 (+2.95s | 6.4%) | Nu Finmen Swimming | 01/16/2026 | 2026 MR NFS 43rd Annual Dr MLK Jr Invite | |
| 5073 | Zachary Tan | 45.84 | 9 | B Min | BB: 42.89 (+2.95s | 6.4%) | Rochester Swim Club | 02/13/2026 | 2026 MN RSC President S Day Meet | |
| 5074 | Evan Schmiedeknecht | 45.84 | 10 | B Min | BB: 42.89 (+2.95s | 6.4%) | Muskegon YMCA Swim Team | 01/10/2026 | 2026 Zeeland Winter Classic | |
| 5075 | Lukas Fort | 45.84 | 8 | B Min | BB: 42.89 (+2.95s | 6.4%) | Bainbridge Island Swim Club | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 5076 | Owen Mast | 45.84 | 9 | B Min | BB: 42.89 (+2.95s | 6.4%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 5077 | Oliver Haddon | 45.84 | 9 | B Min | BB: 42.89 (+2.95s | 6.4%) | YMCA of Virginia\\\\\\'s Blue Ridge | 01/02/2026 | 2026 LY Winter Invitational | |
| 5078 | Jonah Lin | 45.84 | 8 | B Min | BB: 42.89 (+2.95s | 6.4%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 5079 | Enzo Schoen | 45.84 | 9 | B Min | BB: 42.89 (+2.95s | 6.4%) | La Crosse Area Family YMCA Swi | 02/13/2026 | 2026 MN RSC President S Day Meet | |
| 5080 | Rowan Rothman | 45.85 | 7 | B Min | BB: 42.89 (+2.96s | 6.5%) | Evergreen Hurricanes | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 5081 | Gavin Decker | 45.85 | 10 | B Min | BB: 42.89 (+2.96s | 6.5%) | Worthington Swim Club | 02/19/2026 | 2026 OH WOR SC Regional Championships | |
| 5082 | Ethan O'Brien | 45.85 | 9 | B Min | BB: 42.89 (+2.96s | 6.5%) | Gleason Family YMCA | 02/28/2026 | 2026 NE KCY A SENECY LEAGUE CHAMPS | |
| 5083 | Lucas Hersh | 45.85 | 10 | B Min | BB: 42.89 (+2.96s | 6.5%) | Hawks Swimming Association | 11/14/2025 | 2025 MR VAC Viking Classic Invitational | |
| 5084 | Henry Iovito | 45.85 | 9 | B Min | BB: 42.89 (+2.96s | 6.5%) | The Capitol Sea Devils | 02/13/2026 | 39th Black History Swim Meet | |
| 5085 | Bodhi Sharma | 45.86 | 10 | B Min | BB: 42.89 (+2.97s | 6.5%) | Opelika Swim Team | 09/20/2025 | OST Fall Invite | |
| 5086 | Ryder Whitten | 45.86 | 10 | B Min | BB: 42.89 (+2.97s | 6.5%) | North Coast Aquatics | 10/11/2025 | 2025 SI RSD All Ages B C Meet | |
| 5087 | Evan Hu | 45.86 | 10 | B Min | BB: 42.89 (+2.97s | 6.5%) | Atlantic Coast Athletic Club | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 5088 | Sebastian Perez | 45.86 | 10 | B Min | BB: 42.89 (+2.97s | 6.5%) | Unattached | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 5089 | Lane Hutmacher | 45.86 | 10 | B Min | BB: 42.89 (+2.97s | 6.5%) | Watertown Area Swim Club | 07/10/2025 | 2025 Milbank Swim Meet | |
| 5090 | Clyde Olver | 45.86 | 9 | B Min | BB: 42.89 (+2.97s | 6.5%) | Nation\\\\\\'s Capital Swim Club | 10/18/2025 | 2025 NCAP Autumn Kingfish Splash | |
| 5091 | William Hamric | 45.86 | 10 | B Min | BB: 42.89 (+2.97s | 6.5%) | Excel Aquatics | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 5092 | Lincoln Sparhawk | 45.86 | 10 | B Min | BB: 42.89 (+2.97s | 6.5%) | Burlingame Aquatics | 02/02/2024 | Alto Valentines Classic Meet | |
| 5093 | Baylee Gurczynski | 45.87 | 9 | B Min | BB: 42.89 (+2.98s | 6.5%) | Old Dominion Aquatic Club | 02/07/2026 | 2026 8 And Under Southeastern District Champs | |
| 5094 | Norman Matthew | 45.87 | 10 | B Min | BB: 42.89 (+2.98s | 6.5%) | Edina Swim Club | 10/05/2025 | 2025 EDI October Sunday At The Races | |
| 5095 | Carlo Fumei | 45.87 | 9 | B Min | BB: 42.89 (+2.98s | 6.5%) | Atlantis Swimming | 10/17/2025 | 2025 OLY Fall Classic | |
| 5096 | Julian Gardner | 45.87 | 10 | B Min | BB: 42.89 (+2.98s | 6.5%) | Metro Surge Aquatic Club | 01/17/2026 | PVS January Open 2026 Fairland | |
| 5097 | Lyle Arnold | 45.87 | 10 | B Min | BB: 42.89 (+2.98s | 6.5%) | Piranha Swimming | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 5098 | Frank Rodriguez | 45.88 | 10 | B Min | BB: 42.89 (+2.99s | 6.5%) | Memphis Tiger Swimming | 11/21/2025 | 2025 Tiger Turkey Tumble | |
| 5099 | Joseph Kenney | 45.88 | 10 | B Min | BB: 42.89 (+2.99s | 6.5%) | Nocatee Bluetide Swim Team | 07/26/2025 | 2025 NFSSL Champs | |
| 5100 | Mikhail Kulpanovich | 45.88 | 9 | B Min | BB: 42.89 (+2.99s | 6.5%) | YMCA of the North Shore Sharks | 11/14/2025 | 2025 NE CRIM November Specialty Copied C | |
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.