USA Boys 10 & under - 50 M Free
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 | Jack McRae | 53.76 | 8 | B: 43.89 (+9.87s | 18.4%) | Univ. of Denver Hilltoppers | 04/12/2025 | 2025 CO TOPS Suburban League Pentathlon | ||
| 1952 | Andrew Mastilenko | 53.76 | 10 | B: 43.89 (+9.87s | 18.4%) | Lakeshore Swim Club | 06/07/2025 | 2025 NCAT Summer Swimfest | ||
| 1953 | Frank Rodriguez | 53.77 | 10 | B: 43.89 (+9.88s | 18.4%) | Tide Swimming | 06/07/2024 | 2024 TIDE Swimming Schools Out Classic | ||
| 1954 | Jayman Duran | 53.78 | 9 | B: 43.89 (+9.89s | 18.4%) | Lamarlins Swim Team, Inc. | 06/06/2025 | 2025 CO La Junta Invitational | ||
| 1955 | Bodhi Etchells | 53.78 | 9 | B: 43.89 (+9.89s | 18.4%) | Issaquah Swim Team | 06/14/2025 | 2025 IST June Invtational | ||
| 1956 | Mateo Relling Ramos | 53.78 | 9 | B: 43.89 (+9.89s | 18.4%) | Y Wooster Rec Club | 06/27/2025 | 2025 55th FREEDLANDER MEET | ||
| 1957 | Zackary Benyaminov | 53.79 | 8 | B: 43.89 (+9.90s | 18.4%) | Torpedo Swim School | 05/03/2025 | 2025 Sea Dragon May Open | ||
| 1958 | Charles Storm | 53.80 | 8 | B: 43.89 (+9.91s | 18.4%) | Red Wing Swim Club | 05/03/2025 | 2025 MN RSC Pentathlon | ||
| 1959 | Isaac Good | 53.82 | 10 | B: 43.89 (+9.93s | 18.5%) | Sandpoint Sharks Swim Club | 07/25/2025 | 2025 IES LC CHAMPIONSHIPS | ||
| 1960 | Andrew Nechayev | 53.83 | 9 | B: 43.89 (+9.94s | 18.5%) | Unattached | 06/20/2025 | 2025 Planet Swim Summer Championships | ||
| 1961 | Henry Zhao | 53.84 | 7 | B: 43.89 (+9.95s | 18.5%) | Blue Dolphin Swim Team | 06/14/2025 | 2025 IST June Invtational | ||
| 1962 | Mason Slocumb | 53.87 | 10 | B: 43.89 (+9.98s | 18.5%) | Hydro Swim Club | 05/30/2025 | Hydro4 Summer Open | ||
| 1963 | Amet Cypert | 53.88 | 6 | B: 43.89 (+9.99s | 18.5%) | South San Francisco Aquatics | 04/19/2025 | Alto Spring Jam Meet | ||
| 1964 | Charles Barber | 53.92 | 9 | B: 43.89 (+10.03s | 18.6%) | SwimEnergy Aquatics | 06/20/2025 | 2025 GCST MARK MCCAW SUMMER | ||
| 1965 | Oliver Gremban | 53.92 | 9 | B: 43.89 (+10.03s | 18.6%) | North Coast Aquatics | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | ||
| 1966 | Chen Lin | 53.94 | 9 | B: 43.89 (+10.05s | 18.6%) | Gator Swim Club | 04/05/2025 | EAJ Spring Into Long Course | ||
| 1967 | Alexander Suits | 53.95 | 8 | B: 43.89 (+10.06s | 18.6%) | Tampa Y Swimming | 04/11/2025 | 2025 Stingrays Early LCM Season Opener | ||
| 1968 | Ethan Tan | 53.95 | 9 | B: 43.89 (+10.06s | 18.6%) | Alamo Area Aquatic Association | 05/31/2025 | 2025 AAAA NE Arena Summer Classic | ||
| 1969 | Albert Shifrin | 53.97 | 9 | B: 43.89 (+10.08s | 18.7%) | Mjcc Stingrays | 08/02/2025 | GACC 2025 End Of Season Meet | ||
| 1970 | Henry Huisenga | 53.97 | 10 | B: 43.89 (+10.08s | 18.7%) | Riptide Swim Team | 07/12/2025 | 2025 CO TOPS SBL Summer Sizzler | ||
| 1971 | Jeffrey Huang | 53.97 | 7 | B: 43.89 (+10.08s | 18.7%) | Life Time Michigan Swim Team | 10/16/2025 | October 2025 Life Time Michigan Intersquad | ||
| 1972 | Martin Li | 53.99 | 9 | B: 43.89 (+10.10s | 18.7%) | Wave Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | ||
| 1973 | Ezekiel Sauve | 53.99 | 10 | B: 43.89 (+10.10s | 18.7%) | Saint Petersburg Aquatics | 05/16/2025 | 2025 SAINT PETE S 2nd LONG COURSE MEET | ||
| 1974 | Theodore Sohn | 54.00 | 9 | B: 43.89 (+10.11s | 18.7%) | Sarasota Sharks | 05/16/2025 | 2025 SYS Memorial Meet | ||
| 1975 | Sawyer Andrews | 54.03 | 8 | B: 43.89 (+10.14s | 18.8%) | Mission Aurora Colorado Swimmi | 05/16/2025 | 2025 CO ACES Spring Invite | ||
| 1976 | George He | 54.07 | 9 | B: 43.89 (+10.18s | 18.8%) | Seattle Metropolitan Aquatic C | 06/27/2025 | 2025 PN SMAC Summer Classic Invitational | ||
| 1977 | Everett Duvall | 54.09 | 10 | B: 43.89 (+10.20s | 18.9%) | Apex | 06/06/2025 | 2025 CST Summer Invitational | ||
| 1978 | Albert Yan | 54.10 | 10 | B: 43.89 (+10.21s | 18.9%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | ||
| 1979 | Luke Beard | 54.14 | 10 | B: 43.89 (+10.25s | 18.9%) | SwimRise Aquatics | 05/03/2025 | SwimRise IMX IMR Challenge | ||
| 1980 | Luke Park | 54.15 | 9 | B: 43.89 (+10.26s | 18.9%) | Life Time Michigan Swim Team | 12/09/2025 | November 2025 Life Time Michigan Intersquad | ||
| 1981 | Jacob Mickels | 54.19 | 10 | B: 43.89 (+10.30s | 19.0%) | Fmy Gators | 06/14/2024 | 2024 SD Aberdeen Summer High Point Swim Meet | ||
| 1982 | Aidan Hodges | 54.22 | 9 | B: 43.89 (+10.33s | 19.1%) | Alamo Area Aquatic Association | 07/25/2025 | 2025 ST AAAA NE LC End Of Season Splash | ||
| 1983 | Tyler Amstutz | 54.24 | 10 | B: 43.89 (+10.35s | 19.1%) | Saint Petersburg Aquatics | 04/18/2025 | 2025 SPA Spring First Long Course Meet | ||
| 1984 | Evan Yang | 54.25 | 8 | B: 43.89 (+10.36s | 19.1%) | Lake Oswego Swim Club | 06/06/2025 | 2025 THSC June Invitational | ||
| 1985 | Albert Shapiro | 54.26 | 9 | B: 43.89 (+10.37s | 19.1%) | Burlingame Aquatics | 06/07/2024 | Burlingame Aquatic Club Long Course CBA+ | ||
| 1986 | Ryan Shen | 54.28 | 7 | B: 43.89 (+10.39s | 19.1%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | ||
| 1987 | Nolan Root | 54.31 | 10 | B: 43.89 (+10.42s | 19.2%) | Falfins Swimming | 06/20/2025 | 2025 Falfins Long Course Open | ||
| 1988 | Luke Xu | 54.31 | 8 | B: 43.89 (+10.42s | 19.2%) | Seattle Metropolitan Aquatic C | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | ||
| 1989 | Elliott Goforth | 54.31 | 10 | B: 43.89 (+10.42s | 19.2%) | Thunderbird Aquatic Club | 06/20/2025 | 2025 IE VS Starlight Open | ||
| 1990 | Kanishk Mahesha | 54.32 | 10 | B: 43.89 (+10.43s | 19.2%) | Pleasanton Seahawks | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | ||
| 1991 | Gabriel Mendez | 54.32 | 9 | B: 43.89 (+10.43s | 19.2%) | Rochester Swim Club | 07/18/2025 | 2025 MN MTKA Minnesota Regional Championship | ||
| 1992 | Asher Kellogg | 54.36 | 9 | B: 43.89 (+10.47s | 19.3%) | Unattached | 05/24/2025 | 2025 Mike Snyder Memorial | ||
| 1993 | Jason Johnston | 54.39 | 9 | B: 43.89 (+10.50s | 19.3%) | Aberdeen Swim Club | 05/09/2025 | 2025 SD SFST Ready For Long Course | ||
| 1994 | Andrew Goldberg | 54.40 | 8 | B: 43.89 (+10.51s | 19.3%) | Swim Tampa Aquatics | 04/11/2025 | 2025 Stingrays Early LCM Season Opener | ||
| 1995 | Conor Campanelli | 54.43 | 10 | B: 43.89 (+10.54s | 19.4%) | Burlingame Aquatics | 06/07/2024 | Burlingame Aquatic Club Long Course CBA+ | ||
| 1996 | Thane Maddox | 54.47 | 10 | B: 43.89 (+10.58s | 19.4%) | Columbia River Swim Team | 07/05/2025 | 2025 OR CRST Summer Blast 3 | ||
| 1997 | Declan Carter | 54.53 | 10 | B: 43.89 (+10.64s | 19.5%) | Lehi Aquatics | 06/27/2025 | WFFM Red White And Black 2025 | ||
| 1998 | Kent Carnahan | 54.53 | 10 | B: 43.89 (+10.64s | 19.5%) | Platinum Aquatics | 05/02/2025 | 2025 ST ASC Cinco De Mayo | ||
| 1999 | Ace Lee | 54.53 | 8 | B: 43.89 (+10.64s | 19.5%) | Beaches Quicksilver | 06/27/2025 | SwimRise Season Finale | ||
| 2000 | Dimitri Khaleel | 54.53 | 8 | B: 43.89 (+10.64s | 19.5%) | Pine Island Aquatics | 05/16/2025 | 2025 SYS Memorial Meet | ||
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.