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 | |
|---|---|---|---|---|---|---|---|---|---|
| 7951 | Nash Greder | 52.15 | 10 | B: 48.29 (+3.86s | 7.4%) | Club Husker | 09/27/2025 | 2025 MW HLA September Splash | ||
| 7952 | Oliver Zurita | 52.15 | 7 | B: 48.29 (+3.86s | 7.4%) | Mid Hudson Heatwaves | 03/07/2026 | 2026 MR Metro 8 Under Championships | ||
| 7953 | Leonard kim | 52.15 | 9 | B: 48.29 (+3.86s | 7.4%) | Ridgewood YMCA Breakers Swim T | 03/20/2026 | 2026 NE NSSC March Madness At MIT | ||
| 7954 | Bryce Carmen | 52.15 | 10 | B: 48.29 (+3.86s | 7.4%) | Swim Melbourne | 11/16/2025 | November 2025 Racer | ||
| 7955 | Louis Collier | 52.16 | 10 | B: 48.29 (+3.87s | 7.4%) | Nitro Swimming | 10/26/2025 | 2025 ST TXLA 10 U Fall Kick Off | ||
| 7956 | Theodore Kunzi | 52.16 | 7 | B: 48.29 (+3.87s | 7.4%) | Swim Melbourne | 10/11/2025 | TCSC Fall Invitational | ||
| 7957 | Jude Nystrom | 52.16 | 9 | B: 48.29 (+3.87s | 7.4%) | T2 Aquatics | 12/13/2025 | 2025 T2 Candy Cane Meet | ||
| 7958 | Paul Murphy | 52.16 | 8 | B: 48.29 (+3.87s | 7.4%) | Maverick Aquatics | 04/25/2026 | 2026 CO Aspen Spring Invite | ||
| 7959 | Wyatt Boots | 52.16 | 10 | B: 48.29 (+3.87s | 7.4%) | St Johns Sea Lions | 02/15/2026 | 2026 MTSL Championship | ||
| 7960 | Julian Polito | 52.16 | 10 | B: 48.29 (+3.87s | 7.4%) | Corvallis Aquatic Team | 12/13/2025 | 2025 OR HEAT Winter Invitational | ||
| 7961 | Branden Walters | 52.17 | 9 | B: 48.29 (+3.88s | 7.4%) | Quest Swimming | 10/24/2025 | NOVA Halloween Haunt | ||
| 7962 | Shinji Byer | 52.17 | 9 | B: 48.29 (+3.88s | 7.4%) | Seattle Metropolitan Aquatic C | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | ||
| 7963 | Jax Julien | 52.17 | 9 | B: 48.29 (+3.88s | 7.4%) | Htx Swims | 12/20/2024 | 2024 Gulf Fall Champs (TASC) | ||
| 7964 | Rowan O'Brien | 52.18 | 9 | B: 48.29 (+3.89s | 7.5%) | Lakes Region Wavemakers | 03/13/2026 | 2026 NE UVAC NHSA State Championships | ||
| 7965 | Ian Schwegman | 52.18 | 10 | B: 48.29 (+3.89s | 7.5%) | Rockfish Swimming | 11/07/2025 | 2025 CAC 5th Annual Zachary Spain Memorial Me | ||
| 7966 | Eugene McCarthy | 52.18 | 10 | B: 48.29 (+3.89s | 7.5%) | Mighty Marlins Swim Club | 12/07/2024 | 2024 PN Fall Divisional, Division 2 | ||
| 7967 | James Dwyer | 52.18 | 10 | B: 48.29 (+3.89s | 7.5%) | Prince William Swim Club | 01/17/2026 | 2026 Duck Bowl | ||
| 7968 | Zac Nunez | 52.19 | 8 | B: 48.29 (+3.90s | 7.5%) | North State Narwhals | 11/22/2025 | Thankswimming Classic 2025 | ||
| 7969 | Matt Shen | 52.19 | 9 | B: 48.29 (+3.90s | 7.5%) | Nitro Swimming | 10/26/2025 | 2025 ST TXLA 10 U Fall Kick Off | ||
| 7970 | Vance Buck | 52.19 | 10 | B: 48.29 (+3.90s | 7.5%) | YMCA of the Triangle Area Swim | 09/28/2025 | 2025 YOTA Intrasquad Meet | ||
| 7971 | Connor Donohue | 52.20 | 9 | B: 48.29 (+3.91s | 7.5%) | Ygb Sea Dragons | 01/10/2026 | 2026 NE YNS YMCA Eastern MA Districts | ||
| 7972 | Micah Groysman | 52.20 | 9 | B: 48.29 (+3.91s | 7.5%) | Lifetime | 01/16/2026 | 2026 NE SAC Bronze Championships | ||
| 7973 | Daniel Ferris | 52.20 | 9 | B: 48.29 (+3.91s | 7.5%) | Crimson Aquatics | 12/12/2025 | 2025 NE CRIM Frosty Frenzy Trials Finals | ||
| 7974 | Grant Smith | 52.20 | 7 | B: 48.29 (+3.91s | 7.5%) | Prince William Swim Club | 10/18/2025 | 2025 RAYS Great Pumpkin Splash Invitational | ||
| 7975 | Hugh Christianson | 52.20 | 7 | B: 48.29 (+3.91s | 7.5%) | Aquajets Swim Team | 02/07/2026 | 2026 MN AQJT February Invite | ||
| 7976 | Jayden Zhang | 52.20 | 10 | B: 48.29 (+3.91s | 7.5%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | ||
| 7977 | Liam Tobias | 52.21 | 9 | B: 48.29 (+3.92s | 7.5%) | Hammerhead Aquatics | 09/20/2025 | September Open 2025 | ||
| 7978 | Niyol Scall | 52.22 | 8 | B: 48.29 (+3.93s | 7.5%) | FireFish Swim Team | 11/14/2025 | 2025 NE KING CAC Fall Invite Copied | ||
| 7979 | Adam Hugenberger | 52.23 | 8 | B: 48.29 (+3.94s | 7.5%) | Otter Swim Club | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | ||
| 7980 | William Tierney | 52.23 | 9 | B: 48.29 (+3.94s | 7.5%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | ||
| 7981 | Jadler McMillan | 52.23 | 10 | B: 48.29 (+3.94s | 7.5%) | Rockingham Area Youth Swimming | 10/18/2025 | 2025 NE RAYS Oktoberfest Specialty Copied | ||
| 7982 | Paul Beshara | 52.23 | 9 | B: 48.29 (+3.94s | 7.5%) | Sharks Swim Club | 09/28/2024 | Sharks Pentathalon 2024 | ||
| 7983 | Bodhi Viprakasit | 52.24 | 9 | B: 48.29 (+3.95s | 7.6%) | North Carolina Aquatic Club | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | ||
| 7984 | Sy Davidson-Rodgers | 52.24 | 10 | B: 48.29 (+3.95s | 7.6%) | DC Dept Of Parks and Recreatio | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | ||
| 7985 | Kilo Hamada-Durant | 52.24 | 10 | B: 48.29 (+3.95s | 7.6%) | Swim Kauai Aquatics | 02/07/2026 | SKA Home Meet 2726 | ||
| 7986 | Amos Taub | 52.24 | 10 | B: 48.29 (+3.95s | 7.6%) | Otter Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 7987 | Leonardo Jia | 52.24 | 9 | B: 48.29 (+3.95s | 7.6%) | Mei\\\\\\'s Typhoons Swimming Club | 12/12/2025 | 2025 NE NSSC Dec Holiday Celebration! | ||
| 7988 | Steven Shi | 52.25 | 8 | B: 48.29 (+3.96s | 7.6%) | Phoenix Aquatic Club | 11/08/2025 | 2025 MR PAC Maria Parmanan Invitational | ||
| 7989 | MacClellan Menzies | 52.25 | 9 | B: 48.29 (+3.96s | 7.6%) | Mighty Marlins Swim Club | 04/25/2026 | 2026 PN SSCD Spring Open Approved | ||
| 7990 | Grant Reutter | 52.25 | 7 | B: 48.29 (+3.96s | 7.6%) | Sporting Jax Aquatic Club | 02/20/2026 | 2026 Area 1 Spring Championships | ||
| 7991 | Jacob Arnold | 52.25 | 9 | B: 48.29 (+3.96s | 7.6%) | Baylor Swim Club | 01/09/2026 | 2026 MCC January Invite | ||
| 7992 | Leo Yin | 52.25 | 7 | B: 48.29 (+3.96s | 7.6%) | Bellevue Club Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | ||
| 7993 | Nihaal Grewal | 52.25 | 9 | B: 48.29 (+3.96s | 7.6%) | Pflugerville Pflamingos | 11/03/2024 | 2024 ST TXLA 10 U November Unclassified | ||
| 7994 | Ace Allen | 52.25 | 9 | B: 48.29 (+3.96s | 7.6%) | Scottsboro Swim Association | 04/11/2026 | 2026 Sprint Medal Meet | ||
| 7995 | Easton Takeda | 52.26 | 8 | B: 48.29 (+3.97s | 7.6%) | Sharks Swim Club | 11/08/2024 | Sharks November Invitational | ||
| 7996 | Mithren Vijay | 52.26 | 9 | B: 48.29 (+3.97s | 7.6%) | Valley Splash | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | ||
| 7997 | Ayaan Agrawal | 52.26 | 9 | B: 48.29 (+3.97s | 7.6%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | ||
| 7998 | Noah Bustamante | 52.26 | 10 | B: 48.29 (+3.97s | 7.6%) | San Antonio Wave | 02/24/2026 | 2026 ST AAAA NS End Of Season Race Nights | ||
| 7999 | Luke Mattinson | 52.26 | 10 | B: 48.29 (+3.97s | 7.6%) | Piranha Aquatics | 02/20/2026 | 2026 OH Akron SC Regional Championships | ||
| 8000 | Alexander Scullin | 52.26 | 8 | B: 48.29 (+3.97s | 7.6%) | West Valley Aquatics | 11/01/2025 | Dive Into The Unknown 2025 | ||
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.