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 | Bandon Smith | 49.45 | 9 | B Min | BB: 49.29 (+0.16s | 0.3%) | Lake Oswego Swim Club | 06/26/2026 | 2026 TEAM Summer Invitational | |
| 1952 | James Sharkey | 49.45 | 10 | B Min | BB: 49.29 (+0.16s | 0.3%) | Commonwealth Swimming | 04/11/2026 | 2026 NE CS Season Opener | |
| 1953 | Luke Cheng | 49.45 | 10 | B Min | BB: 49.29 (+0.16s | 0.3%) | Otter Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 1954 | Milo Gordon | 49.45 | 8 | B Min | BB: 49.29 (+0.16s | 0.3%) | Flatiron Athletic Club | 06/06/2025 | 2025 CO NJ Summer Solstice Invitational | |
| 1955 | Bolden Rapuzzi | 49.45 | 9 | B Min | BB: 49.29 (+0.16s | 0.3%) | Highlands Ranch Aquatics | 06/26/2026 | 2026 CO Zone 2 District Meet DU | |
| 1956 | Anderson Miller | 49.46 | 8 | B Min | BB: 49.29 (+0.17s | 0.3%) | YMCA of the Triangle Area Swim | 04/24/2026 | 2026 RSA Warm Up To LC Copied Copied | |
| 1957 | Jude Nystrom | 49.47 | 9 | B Min | BB: 49.29 (+0.18s | 0.4%) | T2 Aquatics | 05/22/2026 | 2026 T2 Aquatics Norris Foundation LC Meet | |
| 1958 | Jacob Lambert | 49.47 | 8 | B Min | BB: 49.29 (+0.18s | 0.4%) | Northern KY Clippers | 06/05/2026 | 25th Annual CLPR David Webb Meet | |
| 1959 | Mason Park | 49.47 | 9 | B Min | BB: 49.29 (+0.18s | 0.4%) | Olympic Cascade Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 1960 | Ratu Bukarau | 49.50 | 8 | B Min | BB: 49.29 (+0.21s | 0.4%) | Stingrays Swim Team | 06/05/2026 | HNVR Storm Surge 2026 | |
| 1961 | Maddox Fish | 49.50 | 9 | B Min | BB: 49.29 (+0.21s | 0.4%) | Pikes Peak Athletics | 06/19/2026 | 2026 CO Falfins Long Course Open | |
| 1962 | Brendan Gao | 49.50 | 10 | B Min | BB: 49.29 (+0.21s | 0.4%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 1963 | Jackson Hiser | 49.50 | 8 | B Min | BB: 49.29 (+0.21s | 0.4%) | Dolphin Club | 04/18/2026 | 2026 SwimRVA Carnation Clash | |
| 1964 | Samuel Hoftiezer | 49.50 | 8 | B Min | BB: 49.29 (+0.21s | 0.4%) | Watertown Area Swim Club | 06/19/2026 | 2026 SD Aberdeen Summer High Point Swim Meet | |
| 1965 | Barrett Zubke | 49.51 | 9 | B Min | BB: 49.29 (+0.22s | 0.4%) | Sarasota Sharks | 06/19/2025 | 2025 Shark Open | |
| 1966 | Youcheng Yin | 49.51 | 9 | B Min | BB: 49.29 (+0.22s | 0.4%) | Arctic Aquatics | 05/08/2026 | 2026 NE CRA MIT Team Specialty LC Meet | |
| 1967 | Zachary DeLozier | 49.52 | 9 | B Min | BB: 49.29 (+0.23s | 0.5%) | Lake Oswego Swim Club | 04/25/2026 | GACC Spring Invitational | |
| 1968 | Marcelo Valdez Salda'a | 49.53 | 7 | B Min | BB: 49.29 (+0.24s | 0.5%) | Municipio DE San Pedro | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 1969 | Asher Kim | 49.54 | 10 | B Min | BB: 49.29 (+0.25s | 0.5%) | Huntsville Swim Association | 05/16/2026 | NAC LC May Classic | |
| 1970 | Srii Bezawada | 49.54 | 10 | B Min | BB: 49.29 (+0.25s | 0.5%) | Front Range Barracudas | 05/29/2026 | 2026 CO Barracuda Summer Sizzler Invite | |
| 1971 | Isaiah Fadillah | 49.54 | 10 | B Min | BB: 49.29 (+0.25s | 0.5%) | California Dolphins Swim Team | 05/02/2026 | Alto Spring Jam CBA | |
| 1972 | Lane Markham | 49.54 | 9 | B Min | BB: 49.29 (+0.25s | 0.5%) | Minnetonka Swim Club | 05/15/2026 | 2026 MN HURR LC Spring Opener | |
| 1973 | Shayan Sarkar | 49.55 | 10 | B Min | BB: 49.29 (+0.26s | 0.5%) | Diablo Aquatics | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 1974 | Ives Peredo | 49.55 | 9 | B Min | BB: 49.29 (+0.26s | 0.5%) | Nation\\\\\\'s Capital Swim Club | 06/05/2026 | HNVR Storm Surge 2026 | |
| 1975 | Jack Webber | 49.56 | 9 | B Min | BB: 49.29 (+0.27s | 0.5%) | Cincinnati Aquatic Club | 05/01/2026 | CLPR 3rd Annual Northern KY Derby | |
| 1976 | Adam Sherman | 49.56 | 10 | B Min | BB: 49.29 (+0.27s | 0.5%) | Lakewood Ranch Swim Associatio | 06/19/2025 | 2025 Shark Open | |
| 1977 | Hudson Goodrich | 49.57 | 9 | B Min | BB: 49.29 (+0.28s | 0.6%) | Denver Swim Academy | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 1978 | Luke Atanasov | 49.57 | 8 | B Min | BB: 49.29 (+0.28s | 0.6%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 1979 | Luke Xu | 49.58 | 10 | B Min | BB: 49.29 (+0.29s | 0.6%) | California Dolphins Swim Team | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 1980 | Eli Kerley | 49.58 | 10 | B Min | BB: 49.29 (+0.29s | 0.6%) | Treasure Coast Swimming | 05/02/2026 | TCSC Go For The Gold Invitational | |
| 1981 | Cosmo McGrath | 49.58 | 10 | B Min | BB: 49.29 (+0.29s | 0.6%) | Bellingham Bay Swim Team | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 1982 | Lazar Mercado | 49.58 | 10 | B Min | BB: 49.29 (+0.29s | 0.6%) | Northern KY Clippers | 06/05/2026 | 25th Annual CLPR David Webb Meet | |
| 1983 | Samuel Moyer | 49.59 | 10 | B Min | BB: 49.29 (+0.30s | 0.6%) | Smac | 04/18/2026 | 2026 SwimRVA Carnation Clash | |
| 1984 | Jackson Ezell | 49.60 | 8 | B Min | BB: 49.29 (+0.31s | 0.6%) | Highbridge Aquatics | 06/26/2026 | 2026 Colonel Summer Classic Copied | |
| 1985 | Yogesh Kumar | 49.60 | 9 | B Min | BB: 49.29 (+0.31s | 0.6%) | YMCA of Central Massachusetts | 04/26/2026 | 2026 NE RIAC Quahog Cup | |
| 1986 | Jaden Feng | 49.60 | 7 | B Min | BB: 49.29 (+0.31s | 0.6%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 1987 | Carter Trauth | 49.61 | 9 | B Min | BB: 49.29 (+0.32s | 0.6%) | SlipStream Aquatics | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 1988 | Jack Griego | 49.62 | 9 | B Min | BB: 49.29 (+0.33s | 0.7%) | Waterloo Swimming | 06/22/2025 | 2025 ST WLOO LC Last Chance | |
| 1989 | Nikshay Gupta | 49.62 | 10 | B Min | BB: 49.29 (+0.33s | 0.7%) | Mecklenburg Swim Association | 04/25/2026 | 2026 MSA April LC Meet | |
| 1990 | Jace Gordon | 49.62 | 9 | B Min | BB: 49.29 (+0.33s | 0.7%) | Los Gatos Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 1991 | August Speziale | 49.62 | 10 | B Min | BB: 49.29 (+0.33s | 0.7%) | Great Lakes Sailfish Swimming | 06/12/2025 | Holtrey Summer Classic | |
| 1992 | Reid Siemens | 49.62 | 9 | B Min | BB: 49.29 (+0.33s | 0.7%) | Hurricanes Swim Team | 06/19/2026 | 2026 SD Aberdeen Summer High Point Swim Meet | |
| 1993 | Emmett Kirsch | 49.63 | 9 | B Min | BB: 49.29 (+0.34s | 0.7%) | Rec-Plex Sharks | 05/29/2026 | 2026 Meet Me In St Louis Invite | |
| 1994 | Karson Tate | 49.63 | 10 | B Min | BB: 49.29 (+0.34s | 0.7%) | Cypress Fairbanks Swim Club | 06/12/2026 | 2026 ST TXLA Texas Open Invite | |
| 1995 | Micah Parris | 49.63 | 9 | B Min | BB: 49.29 (+0.34s | 0.7%) | Sunnyvale Swim Club | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 1996 | Emmett Raj | 49.63 | 10 | B Min | BB: 49.29 (+0.34s | 0.7%) | York Swim Club of Northern Vir | 05/01/2026 | Speedo Spring Splash | |
| 1997 | Greyson Straka | 49.63 | 9 | B Min | BB: 49.29 (+0.34s | 0.7%) | Evergreen Hurricanes | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 1998 | Edmund Lin | 49.64 | 9 | B Min | BB: 49.29 (+0.35s | 0.7%) | California Dolphins Swim Team | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 1999 | Alexander Linck | 49.64 | 10 | B Min | BB: 49.29 (+0.35s | 0.7%) | Parkway-Rockwood Gateway Swim | 05/01/2026 | John Traube Memorial 2026 | |
| 2000 | Edison Cois | 49.64 | 10 | B Min | BB: 49.29 (+0.35s | 0.7%) | Life Time Oregon Swim Team | 06/05/2026 | 2026 CST Summer Invitational | |
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.