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 | |
|---|---|---|---|---|---|---|---|---|---|
| 951 | Luke Lim | 52.57 | 10 | B Min | BB: 49.29 (+3.28s | 6.2%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 952 | Easton Fairbank | 52.60 | 8 | B Min | BB: 49.29 (+3.31s | 6.3%) | Front Range Barracudas | 05/30/2025 | 2025 CO Barracuda Summer Sizzler Invite | |
| 953 | Chen Lin | 52.62 | 9 | B Min | BB: 49.29 (+3.33s | 6.3%) | Gator Swim Club | 05/16/2025 | 2025 FAST May Invite | |
| 954 | Dax Nisenbaum | 52.62 | 10 | B Min | BB: 49.29 (+3.33s | 6.3%) | Hills Hurricane Swimming | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 955 | Ian Webster | 52.63 | 10 | B Min | BB: 49.29 (+3.34s | 6.3%) | Columbia River Swim Team | 06/07/2025 | 2025 OR CRST Summer Blast 2 | |
| 956 | Colt Rodeheaver | 52.63 | 9 | B Min | BB: 49.29 (+3.34s | 6.3%) | Seattle Metropolitan Aquatic C | 05/29/2025 | 2025 IE VS Apple Capital | |
| 957 | Callum Gillilan | 52.63 | 10 | B Min | BB: 49.29 (+3.34s | 6.3%) | Fort Collins Area Swim Team | 04/25/2025 | 2025 CO FAST Spring Splash LC Open | |
| 958 | Arz Abu Raya | 52.64 | 8 | B Min | BB: 49.29 (+3.35s | 6.4%) | Unattached | 05/16/2025 | 2025 DACA LC CBA Meet | |
| 959 | Liam Larson | 52.67 | 9 | B Min | BB: 49.29 (+3.38s | 6.4%) | Pacific Swim | 04/25/2025 | 2025 SI Pacific Swim A BB LCM Group A | |
| 960 | Ely Marsh | 52.67 | 10 | B Min | BB: 49.29 (+3.38s | 6.4%) | Sarasota Tsunami Swim Team | 04/11/2025 | 2025 GCST Spring Invite | |
| 961 | Jackson Guttridge | 52.67 | 10 | B Min | BB: 49.29 (+3.38s | 6.4%) | Apex | 07/19/2025 | Apex Intrasquad 3 | |
| 962 | Jacob Bouchard | 52.68 | 10 | B Min | BB: 49.29 (+3.39s | 6.4%) | Nova of Virginia | 04/26/2024 | NOVA LC Kick Off | |
| 963 | Tyler Ashby | 52.68 | 9 | B Min | BB: 49.29 (+3.39s | 6.4%) | Hanover Aquatics | 06/22/2024 | 2024 WAC Summer Sizzle Meet | |
| 964 | Noah Earney | 52.68 | 10 | B Min | BB: 49.29 (+3.39s | 6.4%) | Hanover Aquatics | 06/22/2024 | 2024 WAC Summer Sizzle Meet | |
| 965 | Yunhan Song | 52.69 | 9 | B Min | BB: 49.29 (+3.40s | 6.5%) | Eastside Aquatic Swim Team | 04/25/2025 | 2025 PN KING Spring Derby | |
| 966 | Cooper Horne | 52.69 | 10 | B Min | BB: 49.29 (+3.40s | 6.5%) | Racer X Aquatics | 06/12/2025 | Holtrey Summer Classic | |
| 967 | Adam Ma | 52.69 | 10 | B Min | BB: 49.29 (+3.40s | 6.5%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 968 | Santiago Pena | 52.69 | 9 | B Min | BB: 49.29 (+3.40s | 6.5%) | Harlingen Cisd Seal Team | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 969 | Benjamin Leger | 52.71 | 10 | B Min | BB: 49.29 (+3.42s | 6.5%) | Lynchburg YMCA Swim Team | 07/06/2023 | 2023 CCA Summer Awards | |
| 970 | Jasper Timmons | 52.71 | 10 | B Min | BB: 49.29 (+3.42s | 6.5%) | Cascade Swim Club | 09/20/2025 | 2025 PN CSC September Shakeout | |
| 971 | Mason Liu | 52.72 | 10 | B Min | BB: 49.29 (+3.43s | 6.5%) | Trident Aquatic Club | 08/06/2025 | 2025 Summer Elite Showcase | |
| 972 | Austin Dunn | 52.72 | 9 | B Min | BB: 49.29 (+3.43s | 6.5%) | Streamliner Aquatics | 07/18/2025 | 2025 LCM Summer Championships | |
| 973 | Zhengran Shao | 52.72 | 10 | B Min | BB: 49.29 (+3.43s | 6.5%) | Bolles School Sharks | 06/20/2025 | 2025 Planet Swim Summer Championships | |
| 974 | Truman Hunt | 52.74 | 10 | B Min | BB: 49.29 (+3.45s | 6.5%) | Gator Swim Club | 06/06/2025 | 2025 MAKOS Summer Splash | |
| 975 | Augustus Howell | 52.75 | 10 | B Min | BB: 49.29 (+3.46s | 6.6%) | Sarasota Sharks | 05/16/2025 | 2025 SYS Memorial Meet | |
| 976 | Patricio Pasquel Garcia | 52.75 | 10 | B Min | BB: 49.29 (+3.46s | 6.6%) | Titanes de Tym | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 977 | Jackson Macaluso | 52.77 | 10 | B Min | BB: 49.29 (+3.48s | 6.6%) | Tampa Elite Aquatics | 05/16/2025 | 2025 SYS Memorial Meet | |
| 978 | Jack Hallermann | 52.78 | 10 | B Min | BB: 49.29 (+3.49s | 6.6%) | Velocity Aquatics | 07/18/2025 | 2025 MN MAN Minnesota Regional Championship | |
| 979 | Lincoln Sparhawk | 52.78 | 10 | B Min | BB: 49.29 (+3.49s | 6.6%) | Burlingame Aquatics | 05/18/2024 | Alto May Cray Invitational | |
| 980 | Joseph Mohler | 52.78 | 10 | B Min | BB: 49.29 (+3.49s | 6.6%) | Tampa Bay Aquatic Club | 06/19/2025 | 2025 Shark Open | |
| 981 | Jose Ramos Morales | 52.79 | 9 | B Min | BB: 49.29 (+3.50s | 6.6%) | Denver Triton Swim Team | 07/11/2025 | 2025 CO NJ Firecracker Invite | |
| 982 | Wyatt Anderson | 52.79 | 9 | B Min | BB: 49.29 (+3.50s | 6.6%) | Jcc Jellyfish Club | 04/12/2024 | WFFM LC Kickoff 2024 | |
| 983 | Allister Georgiou | 52.80 | 10 | B Min | BB: 49.29 (+3.51s | 6.6%) | McGrath Marlins Swim Team | 07/11/2025 | 2025 SI SDSA All Ages NTS Meet | |
| 984 | Jeffrey Lou | 52.80 | 9 | B Min | BB: 49.29 (+3.51s | 6.6%) | Seattle Metropolitan Aquatic C | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 985 | YuBo Wang | 52.80 | 10 | B Min | BB: 49.29 (+3.51s | 6.6%) | Laker Swim | 04/26/2025 | 2025 Ron Nardozzi Pre Derby Sprint Invite | |
| 986 | Oliver Doty | 52.81 | 10 | B Min | BB: 49.29 (+3.52s | 6.7%) | Gator Swim Club | 06/20/2025 | 2025 FAST Independence Invitational | |
| 987 | Ryan Khalili | 52.82 | 10 | B Min | BB: 49.29 (+3.53s | 6.7%) | Highlands Ranch Aquatics | 06/27/2025 | 2025 CO Zone 2 DU Meet | |
| 988 | Luca Chagas | 52.84 | 10 | B Min | BB: 49.29 (+3.55s | 6.7%) | SwimRise Aquatics | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 989 | David Zhang | 52.84 | 10 | B Min | BB: 49.29 (+3.55s | 6.7%) | Pacific Dragons Swim Team | 06/14/2025 | 2025 IST June Invtational | |
| 990 | Matthew Kosov | 52.84 | 9 | B Min | BB: 49.29 (+3.55s | 6.7%) | Bay Club Aquatics | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | |
| 991 | Isaac Murray | 52.86 | 10 | B Min | BB: 49.29 (+3.57s | 6.8%) | St. Augustine Cyclones | 05/03/2025 | SwimRise IMX IMR Challenge | |
| 992 | Jay Dai | 52.86 | 10 | B Min | BB: 49.29 (+3.57s | 6.8%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 993 | Zachary McDonnell | 52.86 | 9 | B Min | BB: 49.29 (+3.57s | 6.8%) | Firestone Akron Swim Team | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 994 | Chance Tan-Nelson | 52.86 | 9 | B Min | BB: 49.29 (+3.57s | 6.8%) | West Coast Aquatics | 04/25/2025 | 2025 PN KING Spring Derby | |
| 995 | Nathanael Richards | 52.87 | 9 | B Min | BB: 49.29 (+3.58s | 6.8%) | Coeur D\\\\\\'alene Area Swim Team | 04/26/2025 | 2025 SWAT Spring Fling | |
| 996 | Ames Ollestad | 52.88 | 8 | B Min | BB: 49.29 (+3.59s | 6.8%) | Lone Star Aquatic Club | 05/31/2025 | 2025 ST LSAC For The City (LCM) | |
| 997 | Ross Davis | 52.88 | 8 | B Min | BB: 49.29 (+3.59s | 6.8%) | Fast Falcons | 06/06/2025 | 2025 MAKOS Summer Splash | |
| 998 | Nikshay Chandrasekar | 52.89 | 9 | B Min | BB: 49.29 (+3.60s | 6.8%) | Pro Swimming | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 999 | Kyle Wong | 52.90 | 9 | B Min | BB: 49.29 (+3.61s | 6.8%) | Albany Armada Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 1000 | Levi Bowen | 52.91 | 10 | B Min | BB: 49.29 (+3.62s | 6.8%) | Portneuf Valley Swim Team | 07/18/2025 | 2025 LCM Summer Championships | |
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.