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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1951 | Eli Svenningsen | 1:00.02 | 10 | B: 55.39 (+4.63s | 7.7%) | Piranhas YMCA of the Suncoast | 04/11/2025 | 2025 Stingrays Early LCM Season Opener | ||
| 1952 | Drew Carabio | 1:00.02 | 8 | B: 55.39 (+4.63s | 7.7%) | Wahoo\\\\\\'s of Wellington | 06/07/2025 | 2025 TCA Aaron Vaughn Memorial | ||
| 1953 | Emmett Baertlein | 1:00.03 | 9 | B: 55.39 (+4.64s | 7.7%) | Prineville Swim Team | 07/25/2025 | 2025 OR East Cascade Season Finale | ||
| 1954 | William Hebert | 1:00.03 | 8 | B: 55.39 (+4.64s | 7.7%) | Fmy Gators | 06/07/2024 | 2024 WFF Summer Explosion | ||
| 1955 | Daniel Basaly | 1:00.04 | 7 | B: 55.39 (+4.65s | 7.7%) | Swim Melbourne | 05/03/2025 | TCSC Go For The Gold Invitational | ||
| 1956 | Owen King | 1:00.05 | 8 | B: 55.39 (+4.66s | 7.8%) | Rushmore Swim Team | 06/21/2024 | 2024 RST Rushmore Classic Swim Meet | ||
| 1957 | Alexander Malcomson | 1:00.07 | 7 | B: 55.39 (+4.68s | 7.8%) | Bellevue Club Swim Team | 05/29/2025 | 2025 IE VS Apple Capital | ||
| 1958 | Minchan Lee | 1:00.07 | 9 | B: 55.39 (+4.68s | 7.8%) | Reno Aquatic Club | 05/23/2025 | 2025 Intermountain Classic Long Course Meet | ||
| 1959 | Otto Myers | 1:00.14 | 7 | B: 55.39 (+4.75s | 7.9%) | Greater Orlando Aquatics Team | 04/26/2025 | 10th Annual Hohne Memorial Invitational | ||
| 1960 | Gage Larsen | 1:00.15 | 8 | B: 55.39 (+4.76s | 7.9%) | Utah Valley Aquatics | 04/13/2024 | 2024 UT HAST LC Kickoff Dev Meet | ||
| 1961 | Jackson Power | 1:00.19 | 7 | B: 55.39 (+4.80s | 8.0%) | Unattached | 06/27/2025 | Valley Splash | ||
| 1962 | Bishoy Basaly | 1:00.19 | 10 | B: 55.39 (+4.80s | 8.0%) | Swim Melbourne | 05/03/2025 | TCSC Go For The Gold Invitational | ||
| 1963 | Elijah Johnson | 1:00.20 | 9 | B: 55.39 (+4.81s | 8.0%) | Barracuda Aquatics Club | 06/07/2025 | 2025 MN STRM Summer Slam | ||
| 1964 | Titus White | 1:00.21 | 7 | B: 55.39 (+4.82s | 8.0%) | Hydro Swim Club | 06/20/2025 | 2025 Planet Swim Summer Championships | ||
| 1965 | Noah Hauck | 1:00.22 | 8 | B: 55.39 (+4.83s | 8.0%) | Foxjets Swim Team | 05/03/2025 | 2025 MN RSC Pentathlon | ||
| 1966 | Maxim Gilszmer | 1:00.23 | 9 | B: 55.39 (+4.84s | 8.0%) | Seattle Metropolitan Aquatic C | 06/27/2025 | 2025 PN SMAC Summer Classic Invitational | ||
| 1967 | Andy Yu | 1:00.26 | 9 | B: 55.39 (+4.87s | 8.1%) | Burlingame Aquatics | 05/17/2025 | 2025 LAMV SCM C B A+ | ||
| 1968 | Benson Amspacher | 1:00.27 | 9 | B: 55.39 (+4.88s | 8.1%) | King Aquatic Club | 06/14/2025 | 2025 IST June Invtational | ||
| 1969 | Alonzo Rodriguez | 1:00.27 | 7 | B: 55.39 (+4.88s | 8.1%) | Fast Falcons | 06/28/2025 | 2025 Gator Last Chomp | ||
| 1970 | Trace Takahashi | 1:00.28 | 6 | B: 55.39 (+4.89s | 8.1%) | Beaverton Area Aquatics Club | 05/30/2025 | LA OPEN 2025 | ||
| 1971 | Royce Reed | 1:00.28 | 7 | B: 55.39 (+4.89s | 8.1%) | King Aquatic Club | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | ||
| 1972 | Jason Dorenkott | 1:00.30 | 9 | B: 55.39 (+4.91s | 8.1%) | Canton City Swimming | 06/27/2025 | 2025 55th FREEDLANDER MEET | ||
| 1973 | Asher Friedlander | 1:00.31 | 8 | B: 55.39 (+4.92s | 8.2%) | Life Time Colorado Swim Club | 06/27/2025 | 2025 CO Zone 2 VMAC Meet | ||
| 1974 | Zackery Vergara | 1:00.33 | 8 | B: 55.39 (+4.94s | 8.2%) | Gilroy Gators Swim Team | 05/23/2025 | Zone 1 South May Firecracker 500 | ||
| 1975 | Finnegan Jackson | 1:00.35 | 10 | B: 55.39 (+4.96s | 8.2%) | Austin Swim Club | 05/31/2025 | 2025 ST ASC June Bug | ||
| 1976 | Ezekiel Sauve | 1:00.35 | 9 | B: 55.39 (+4.96s | 8.2%) | Saint Petersburg Aquatics | 05/16/2025 | 2025 SAINT PETE S 2nd LONG COURSE MEET | ||
| 1977 | Oliver Ryan | 1:00.38 | 8 | B: 55.39 (+4.99s | 8.3%) | San Gabriel Aquatics | 05/04/2025 | 2025 ST TXLA 10 U End Of School Splash | ||
| 1978 | Max Ross | 1:00.38 | 8 | B: 55.39 (+4.99s | 8.3%) | Gulf Coast Swim Team | 06/20/2025 | 2025 GCST MARK MCCAW SUMMER | ||
| 1979 | William Clark | 1:00.39 | 9 | B: 55.39 (+5.00s | 8.3%) | Hilltop Aquatic Swim Team | 06/21/2025 | 2025 UT HAST RWB BC Medals Meet | ||
| 1980 | Ian Jones | 1:00.40 | 9 | B: 55.39 (+5.01s | 8.3%) | Ladera Oaks | 05/16/2025 | 2025 DACA LC CBA Meet | ||
| 1981 | Benjamin Kearney | 1:00.42 | 9 | B: 55.39 (+5.03s | 8.3%) | Burlingame Aquatics | 06/06/2025 | BAC C B A Meet | ||
| 1982 | Jasper Zhong | 1:00.42 | 7 | B: 55.39 (+5.03s | 8.3%) | Seattle Metropolitan Aquatic C | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | ||
| 1983 | Aaron Yang | 1:00.45 | 9 | B: 55.39 (+5.06s | 8.4%) | Wave Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | ||
| 1984 | Ezekiel Tally | 1:00.47 | 9 | B: 55.39 (+5.08s | 8.4%) | Vandal Aquatic Club | 05/16/2025 | 2025 Chris Engledow Memorial Meet | ||
| 1985 | Maximus Johnson | 1:00.47 | 8 | B: 55.39 (+5.08s | 8.4%) | Bolles School Sharks | 06/20/2025 | 2025 Planet Swim Summer Championships | ||
| 1986 | Maximilian Kuo | 1:00.49 | 6 | B: 55.39 (+5.10s | 8.4%) | California Dolphins Swim Team | 05/23/2025 | Zone 1 South May Firecracker 500 | ||
| 1987 | Christopher Chang | 1:00.49 | 9 | B: 55.39 (+5.10s | 8.4%) | Bellingham Bay Swim Team | 04/25/2025 | 2025 PN KING Spring Derby | ||
| 1988 | Nickolas Parasimenco | 1:00.52 | 8 | B: 55.39 (+5.13s | 8.5%) | Tooele Sea Serpents | 06/04/2025 | 2025 Utah Summer Games Age Group Long Course | ||
| 1989 | Jaden Feng | 1:00.53 | 6 | B: 55.39 (+5.14s | 8.5%) | Blue Dolphin Swim Team | 06/14/2025 | 2025 IST June Invtational | ||
| 1990 | Layden Lechner | 1:00.55 | 9 | B: 55.39 (+5.16s | 8.5%) | Blue Dolfins | 05/16/2025 | 2025 PA Long Course Invite | ||
| 1991 | Walter Speicher | 1:00.55 | 8 | B: 55.39 (+5.16s | 8.5%) | Monocacy Aquatic Club | 06/14/2024 | 2024 Winchester Long Course Inviational | ||
| 1992 | Mateo Relling Ramos | 1:00.55 | 8 | B: 55.39 (+5.16s | 8.5%) | Y Wooster Rec Club | 06/27/2025 | 2025 55th FREEDLANDER MEET | ||
| 1993 | Benjamin Huang | 1:00.56 | 9 | B: 55.39 (+5.17s | 8.5%) | Otter Swim Club | 04/19/2025 | Alto Spring Jam Meet | ||
| 1994 | Oakley Aase | 1:00.56 | 8 | B: 55.39 (+5.17s | 8.5%) | Boise Swim Club | 05/16/2025 | 2025 Spring Fling LC Invitational | ||
| 1995 | Isaac Pearce | 1:00.58 | 7 | B: 55.39 (+5.19s | 8.6%) | Aces Swim Club | 07/11/2025 | 2025 CO ACES DSA Summer Blast Last Chance | ||
| 1996 | Jake Lu | 1:00.59 | 9 | B: 55.39 (+5.20s | 8.6%) | Burlingame Aquatics | 05/17/2025 | 2025 LAMV SCM C B A+ | ||
| 1997 | Maximilian Krumholtz | 1:00.63 | 8 | B: 55.39 (+5.24s | 8.6%) | T2 Aquatics | 05/23/2025 | 2025 T2 Aquatics Norris Foundation LC Meet | ||
| 1998 | James Liu | 1:00.66 | 8 | B: 55.39 (+5.27s | 8.7%) | Quicksilver Swimming | 05/19/2023 | 2023 Quicksilver Swimming LC CBA+ Meet | ||
| 1999 | Asher Orourke | 1:00.68 | 8 | B: 55.39 (+5.29s | 8.7%) | Aquawolves Swimming | 05/30/2025 | 2025 CO Barracuda Summer Sizzler Invite | ||
| 2000 | Jackson Goldner | 1:00.68 | 9 | B: 55.39 (+5.29s | 8.7%) | YMCA of Central Florida | 04/26/2025 | 2025 Ron Nardozzi Pre Derby Sprint Invite | ||
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.