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 | |
|---|---|---|---|---|---|---|---|---|---|
| 851 | Emmett Chen | 36.84 | 10 | A Min | AA: 35.79 (+1.05s | 2.9%) | San Ramon Valley Aquatics | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 852 | Roman Euseppi | 36.85 | 10 | A Min | AA: 35.79 (+1.06s | 2.9%) | North Palm Beach Swim Club | 02/20/2026 | 2026 FG SCY BB Championships (NORTH) | |
| 853 | Jose Braga | 36.85 | 10 | A Min | AA: 35.79 (+1.06s | 2.9%) | North Baltimore Aquatic Club | 10/17/2025 | 2025 NBAC Fall Fastival Meet | |
| 854 | Tanner Graham | 36.86 | 10 | A Min | AA: 35.79 (+1.07s | 2.9%) | Florida Atlantic Aquatics | 02/20/2026 | 2026 FG SCY BB Championships (NORTH) | |
| 855 | Ethan Zhang | 36.87 | 8 | A Min | AA: 35.79 (+1.08s | 2.9%) | Vacaville Swim Club | 11/15/2025 | NVST Swimming Into Fall 2025 | |
| 856 | Emil Radosevich | 36.87 | 10 | A Min | AA: 35.79 (+1.08s | 2.9%) | North Shore Swim Club | 01/30/2026 | 2026 NE GS Silver Championships | |
| 857 | Chase Gilbert | 36.87 | 10 | A Min | AA: 35.79 (+1.08s | 2.9%) | Seahawks Swim club | 02/27/2026 | Ozark Division I Championship | |
| 858 | Nico Losada-Saputo | 36.87 | 10 | A Min | AA: 35.79 (+1.08s | 2.9%) | Orinda Aquatics | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 859 | Yoshua Castro | 36.87 | 10 | A Min | AA: 35.79 (+1.08s | 2.9%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 860 | Nathan Zammit | 36.88 | 10 | A Min | AA: 35.79 (+1.09s | 3.0%) | Atlantis Swimming | 01/16/2026 | 2026 Odd Age Classic | |
| 861 | Jaden Shin | 36.88 | 10 | A Min | AA: 35.79 (+1.09s | 3.0%) | Stingray Swim Team | 11/15/2025 | 2025 PN IST November Invitational | |
| 862 | Edoardo Marelli | 36.89 | 10 | A Min | AA: 35.79 (+1.10s | 3.0%) | Irvine Novaquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 863 | Ozzy Su | 36.90 | 10 | A Min | AA: 35.79 (+1.11s | 3.0%) | Quicksilver Swimming | 12/06/2024 | 2024 Pacific Swimming Winter Age Group Champs | |
| 864 | Landon Wang | 36.90 | 10 | A Min | AA: 35.79 (+1.11s | 3.0%) | Seattle Metropolitan Aquatic C | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 865 | Archer Macmillan | 36.90 | 10 | A Min | AA: 35.79 (+1.11s | 3.0%) | Oly Swimming | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 866 | Gareth Oldham | 36.90 | 10 | A Min | AA: 35.79 (+1.11s | 3.0%) | Castle Rock Swimming | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 867 | Nolan Jetton | 36.90 | 10 | A Min | AA: 35.79 (+1.11s | 3.0%) | Loyola Blakefield Aquatics | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 868 | Connor Woo | 36.91 | 10 | A Min | AA: 35.79 (+1.12s | 3.0%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 869 | Eli Bolten | 36.91 | 10 | A Min | AA: 35.79 (+1.12s | 3.0%) | Nation\\\\\\'s Capital Swim Club | 02/13/2026 | 2026 ASA President S Day Classic | |
| 870 | Owen Bradford | 36.92 | 10 | A Min | AA: 35.79 (+1.13s | 3.1%) | Waves Of Wilmington Inc | 01/24/2026 | 2026 WOW Tri County Classic | |
| 871 | Thomas Nash | 36.92 | 9 | A Min | AA: 35.79 (+1.13s | 3.1%) | Coast Gaurd Blue Dolphins | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 872 | Mark Kouzmenko | 36.93 | 10 | A Min | AA: 35.79 (+1.14s | 3.1%) | Scorpion Swim Club | 11/14/2025 | 2025 NECRA Nov Distance Specialty Meet Co | |
| 873 | Jameson Levering | 36.93 | 10 | A Min | AA: 35.79 (+1.14s | 3.1%) | Crimson Aquatics | 01/30/2026 | 2026 NE CS Silver Championships | |
| 874 | Mason Lam | 36.93 | 9 | A Min | AA: 35.79 (+1.14s | 3.1%) | Eagle Swim Team Inc. | 02/14/2026 | EST Vs NAAC Dual Meet | |
| 875 | Davis Chappell | 36.93 | 9 | A Min | AA: 35.79 (+1.14s | 3.1%) | Coast Gaurd Blue Dolphins | 03/12/2026 | 2026 Virginia Swimming SC Age Group Champions | |
| 876 | Lucas Li | 36.94 | 9 | A Min | AA: 35.79 (+1.15s | 3.1%) | Dedham Health Hydra | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 877 | Ethan Vasilescu | 36.94 | 10 | A Min | AA: 35.79 (+1.15s | 3.1%) | All Star Aquatics | 01/17/2026 | PVS January Open 2026 Fairland | |
| 878 | Graham Larkin | 36.95 | 10 | A Min | AA: 35.79 (+1.16s | 3.1%) | Moses Lake | 01/11/2025 | 2025 Kentridge HS Invitational BOYS OBSERVED | |
| 879 | David Shoer | 36.95 | 10 | A Min | AA: 35.79 (+1.16s | 3.1%) | Patriot Aquatics | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 880 | George Yu | 36.96 | 10 | A Min | AA: 35.79 (+1.17s | 3.2%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 881 | Danylo Marshchivskyi | 36.96 | 8 | A Min | AA: 35.79 (+1.17s | 3.2%) | Blast Sharks | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 882 | James Ludington | 36.97 | 10 | A Min | AA: 35.79 (+1.18s | 3.2%) | Carolina Aquatic Team | 11/21/2025 | 2025 ECA Southeastern Classic | |
| 883 | Drexton Dorvil | 36.97 | 10 | A Min | AA: 35.79 (+1.18s | 3.2%) | Southwest Stars Swim Club | 06/28/2025 | 2025 FL Summer Area 2 Championships Working | |
| 884 | Kellan Simpkins | 36.97 | 10 | A Min | AA: 35.79 (+1.18s | 3.2%) | Sharks | 03/27/2026 | 2026 Sunshine State Showcase | |
| 885 | Jarvis Naveen | 36.97 | 9 | A Min | AA: 35.79 (+1.18s | 3.2%) | Life Time Swim Team - Central | 03/28/2026 | 2026 ST SGA Spring Fling Meet | |
| 886 | Owen Gray | 36.97 | 10 | A Min | AA: 35.79 (+1.18s | 3.2%) | Newberg | 02/13/2026 | 2026 OR HS 6A 3 | |
| 887 | Grayson Bachkosky | 36.98 | 9 | A Min | AA: 35.79 (+1.19s | 3.2%) | Bgc-N. Westchester Marlins | 01/30/2026 | 2026 MR BGNW February Freeze Invitational | |
| 888 | Rex Zhao | 36.98 | 10 | A Min | AA: 35.79 (+1.19s | 3.2%) | Machine Aquatics | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 889 | Judah Resnick | 36.99 | 10 | A Min | AA: 35.79 (+1.20s | 3.2%) | Fox Chapel Killer Whales | 02/13/2026 | 39th Black History Swim Meet | |
| 890 | Brian Pan | 36.99 | 10 | A Min | AA: 35.79 (+1.20s | 3.2%) | Badger Swim Club,Inc. | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 891 | Brayden Li | 36.99 | 9 | A Min | AA: 35.79 (+1.20s | 3.2%) | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 892 | Yutaka Marescot | 37.00 | 10 | A Min | AA: 35.79 (+1.21s | 3.3%) | Phoenix Aquatic Club | 01/23/2026 | 2026 MR PAC Winter Classic Invitational | |
| 893 | Arlo Edwards | 37.00 | 10 | A Min | AA: 35.79 (+1.21s | 3.3%) | Memphis Tiger Swimming | 10/03/2025 | 2025 Tiger Fall Classic | |
| 894 | Robert Mulder | 37.00 | 10 | A Min | AA: 35.79 (+1.21s | 3.3%) | Badger Swim Club,Inc. | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 895 | Wesley Wei | 37.01 | 10 | A Min | AA: 35.79 (+1.22s | 3.3%) | Seattle Metropolitan Aquatic C | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 896 | Eric Ruan | 37.02 | 9 | A Min | AA: 35.79 (+1.23s | 3.3%) | South East Metro Sharks | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 897 | Logan Liew | 37.03 | 10 | A Min | AA: 35.79 (+1.24s | 3.3%) | Streamliner Aquatics | 11/22/2025 | 57th Annual Thanksgiving Invitational | |
| 898 | Vincent Kaldau | 37.03 | 10 | A Min | AA: 35.79 (+1.24s | 3.3%) | VillaSport Swim Team | 01/18/2025 | 2025 LSST January Frosty Meet | |
| 899 | William Huang | 37.05 | 8 | A Min | AA: 35.79 (+1.26s | 3.4%) | Charles River Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 900 | Austin Shillman | 37.05 | 10 | A Min | AA: 35.79 (+1.26s | 3.4%) | Pine Crest Swimming | 02/20/2026 | 2026 FG SCY BB Championships (NORTH) | |
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.