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 | |
|---|---|---|---|---|---|---|---|---|---|
| 951 | Symon Kartsev | 42.18 | 9 | B Min | BB: 39.79 (+2.39s | 5.7%) | Sailfish | 04/05/2025 | 2025 ST TXLA 10 U Long Course Kick Off | |
| 952 | Damon Sparling | 42.18 | 8 | B Min | BB: 39.79 (+2.39s | 5.7%) | Edina Swim Club | 06/26/2025 | 2025 MN AQJT Aquajets Summer Spectacular | |
| 953 | Levi Cheung | 42.21 | 7 | B Min | BB: 39.79 (+2.42s | 5.7%) | Beaverton Area Aquatics Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 954 | David Rivera | 42.21 | 9 | B Min | BB: 39.79 (+2.42s | 5.7%) | Almaden Riptide | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 955 | Sam Mancenido | 42.24 | 8 | B Min | BB: 39.79 (+2.45s | 5.8%) | Dart Swimming | 06/21/2024 | Reno Aquatic Club Gamble | |
| 956 | Brooks Noblett | 42.24 | 9 | B Min | BB: 39.79 (+2.45s | 5.8%) | Westlake Aquatic Facility | 04/05/2025 | 2025 ST TXLA 10 U Long Course Kick Off | |
| 957 | Luke Xu | 42.24 | 9 | B Min | BB: 39.79 (+2.45s | 5.8%) | California Dolphins Swim Team | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 958 | Bennett Gregory | 42.24 | 9 | B Min | BB: 39.79 (+2.45s | 5.8%) | YMCA of Austin Swim Alliance | 06/08/2025 | 2025 ST TXLA 14 U Sprint Cup | |
| 959 | Dale Joyce | 42.24 | 9 | B Min | BB: 39.79 (+2.45s | 5.8%) | Puget Sound Swim Club | 06/20/2025 | 2025 IE VS Starlight Open | |
| 960 | Calvin Hopkins | 42.24 | 8 | B Min | BB: 39.79 (+2.45s | 5.8%) | Nampa Swim Team | 07/19/2024 | 2024 SRS Summer Championships | |
| 961 | Maxwell Tam | 42.25 | 10 | B Min | BB: 39.79 (+2.46s | 5.8%) | Burlingame Aquatics | 04/19/2025 | Alto Spring Jam Meet | |
| 962 | Anthony Fuentes | 42.26 | 9 | B Min | BB: 39.79 (+2.47s | 5.8%) | T2 Aquatics | 06/21/2025 | 2025 T2 June Saturday Showcase | |
| 963 | Ford Howard | 42.26 | 9 | B Min | BB: 39.79 (+2.47s | 5.8%) | Blue Dragons Swim Team | 05/02/2025 | 2025 AAA May LC Invitational | |
| 964 | Bradley Royce | 42.27 | 9 | B Min | BB: 39.79 (+2.48s | 5.9%) | Highlands Ranch Aquatics | 06/19/2025 | 2025 CO ACES Summer Invite | |
| 965 | Sebastian Monroy Reyes | 42.27 | 9 | B Min | BB: 39.79 (+2.48s | 5.9%) | Sunnyvale Swim Club | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 966 | Tristan Keough | 42.27 | 8 | B Min | BB: 39.79 (+2.48s | 5.9%) | YMCA of the Triangle Area Swim | 06/14/2024 | SwimRVA Summer Invitational | |
| 967 | Artemii Ilchenko | 42.28 | 8 | B Min | BB: 39.79 (+2.49s | 5.9%) | San Antonio Wave | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 968 | Augustus Pape | 42.29 | 10 | B Min | BB: 39.79 (+2.50s | 5.9%) | Sparks Piranhas Swim Team | 06/20/2025 | Reno Aquatic Club Gamble | |
| 969 | Abraham Polisuk | 42.29 | 9 | B Min | BB: 39.79 (+2.50s | 5.9%) | Gator Swim Club | 06/06/2025 | 2025 MAKOS Summer Splash | |
| 970 | Dax Nisenbaum | 42.30 | 9 | B Min | BB: 39.79 (+2.51s | 5.9%) | Hills Hurricane Swimming | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 971 | Jose Ramos Morales | 42.30 | 8 | B Min | BB: 39.79 (+2.51s | 5.9%) | Denver Triton Swim Team | 07/11/2025 | 2025 CO NJ Firecracker Invite | |
| 972 | Jesper Zhang | 42.31 | 9 | B Min | BB: 39.79 (+2.52s | 6.0%) | Sandpipers of Nevada | 03/30/2025 | Sand Vs BCH LCM Dual 2025 | |
| 973 | Gianpaolo Pirraglia | 42.31 | 9 | B Min | BB: 39.79 (+2.52s | 6.0%) | Swim Florida | 04/11/2025 | 2025 GCST Spring Invite | |
| 974 | Xavier Kallus | 42.32 | 9 | B Min | BB: 39.79 (+2.53s | 6.0%) | Victoria Texas Aquatic Club | 05/16/2025 | 2025 ST AAAA NS Salute To The Troops | |
| 975 | Davis Chappell | 42.32 | 7 | B Min | BB: 39.79 (+2.53s | 6.0%) | Hampton Virginia Current | 05/31/2024 | 2024 Virginia Commonwealth Games | |
| 976 | Ethan Ramon | 42.33 | 9 | B Min | BB: 39.79 (+2.54s | 6.0%) | Nitro Swimming | 06/08/2025 | 2025 ST TXLA 14 U Sprint Cup | |
| 977 | Elijah Wieczorek | 42.33 | 9 | B Min | BB: 39.79 (+2.54s | 6.0%) | Canon City Piranhas | 06/27/2025 | 2025 CO Alicia Leavitt Memorial Open | |
| 978 | Nathanael Richards | 42.33 | 8 | B Min | BB: 39.79 (+2.54s | 6.0%) | Coeur D\\\\\\'alene Area Swim Team | 07/25/2025 | 2025 IES LC CHAMPIONSHIPS | |
| 979 | Sami Matic | 42.33 | 10 | B Min | BB: 39.79 (+2.54s | 6.0%) | Tiger Shark of Texas | 05/11/2025 | 2025 ST NTRO LC Springing Into May | |
| 980 | Carter Milroy | 42.34 | 9 | B Min | BB: 39.79 (+2.55s | 6.0%) | Foothills Swim Team | 07/12/2025 | 2025 CO TOPS SBL Summer Sizzler | |
| 981 | Penghao Yu | 42.34 | 9 | B Min | BB: 39.79 (+2.55s | 6.0%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 982 | Shane Kirk | 42.35 | 8 | B Min | BB: 39.79 (+2.56s | 6.0%) | Bolles School Sharks | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 983 | Camden Kern | 42.35 | 8 | B Min | BB: 39.79 (+2.56s | 6.0%) | Cavalier Aquatics/Piedmont Fam | 04/26/2024 | 2024 Helen Wang Sunflower Classic | |
| 984 | Brendan Stork | 42.35 | 9 | B Min | BB: 39.79 (+2.56s | 6.0%) | Clovis Swim Club | 06/21/2025 | 2025 FDST June A B Modified LC Invitational | |
| 985 | Luca Desset | 42.36 | 9 | B Min | BB: 39.79 (+2.57s | 6.1%) | Unattached | 06/20/2025 | 72nd Annual Ted Walker Invitational | |
| 986 | Owen Zhuang | 42.36 | 8 | B Min | BB: 39.79 (+2.57s | 6.1%) | Santa Clara Swim Club | 07/20/2024 | Alto Last Splash Invitational | |
| 987 | Lok Zhang | 42.37 | 9 | B Min | BB: 39.79 (+2.58s | 6.1%) | Pacific Dragons Swim Team | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | |
| 988 | Simon Stapley | 42.37 | 10 | B Min | BB: 39.79 (+2.58s | 6.1%) | Olympus Aquatics | 06/27/2025 | 2nd Annual Water Dragon Open | |
| 989 | Kyle Hargenrader | 42.39 | 8 | B Min | BB: 39.79 (+2.60s | 6.1%) | Steel City Aquatics | 06/12/2025 | Holtrey Summer Classic | |
| 990 | Theodore Post | 42.40 | 8 | B Min | BB: 39.79 (+2.61s | 6.2%) | Swim Team of Placentia | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 991 | Chun Huang | 42.40 | 8 | B Min | BB: 39.79 (+2.61s | 6.2%) | Alamo Area Aquatic Association | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 992 | John Bloom | 42.40 | 8 | B Min | BB: 39.79 (+2.61s | 6.2%) | Sporting Jax Aquatic Club | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 993 | Vaughn Jacob | 42.41 | 10 | B Min | BB: 39.79 (+2.62s | 6.2%) | Mount Hood Aquatics | 07/11/2025 | 2025 Seth Dawson | |
| 994 | Jake McNair | 42.41 | 8 | B Min | BB: 39.79 (+2.62s | 6.2%) | Bellevue Club Swim Team | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 995 | Bryce Davelaar | 42.41 | 9 | B Min | BB: 39.79 (+2.62s | 6.2%) | Sioux Center Seahawks | 06/27/2025 | 2025 SD SFST Sanford Invite | |
| 996 | Vladimir Yegorov | 42.42 | 9 | B Min | BB: 39.79 (+2.63s | 6.2%) | Lake Oswego Swim Club | 06/26/2025 | 2025 Howard Jones Open | |
| 997 | Noah Chiu | 42.43 | 9 | B Min | BB: 39.79 (+2.64s | 6.2%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 998 | Jerry Chen | 42.43 | 10 | B Min | BB: 39.79 (+2.64s | 6.2%) | Tri-city Channel Cats | 06/06/2025 | 2025 TRI CITY INVITATIONAL | |
| 999 | Zachary Lynch | 42.45 | 9 | B Min | BB: 39.79 (+2.66s | 6.3%) | Hydro Swim Club | 06/20/2025 | 2025 Planet Swim Summer Championships | |
| 1000 | Alexander Zhang | 42.46 | 8 | B Min | BB: 39.79 (+2.67s | 6.3%) | Alamo Area Aquatic Association | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
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.