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 | |
|---|---|---|---|---|---|---|---|---|---|
| 901 | Caleb Reyes | 52.13 | 10 | B Min | BB: 49.29 (+2.84s | 5.4%) | Winning Waters Aquatics Club | 04/26/2025 | 2025 HPAC Banana Slug Beach Bash | |
| 902 | Henry Krovitz | 52.13 | 10 | B Min | BB: 49.29 (+2.84s | 5.4%) | Univ. of Denver Hilltoppers | 04/12/2025 | 2025 CO TOPS Suburban League Pentathlon | |
| 903 | Taenam Oh jr | 52.13 | 8 | B Min | BB: 49.29 (+2.84s | 5.4%) | Bolles School Sharks | 05/23/2025 | EAJ Mayhem 2025 | |
| 904 | Benjamin Bolkey | 52.13 | 9 | B Min | BB: 49.29 (+2.84s | 5.4%) | Lone Star Aquatic Club | 06/20/2025 | 2025 ST AAAA NS George Block Invite | |
| 905 | Ryan Chen | 52.13 | 9 | B Min | BB: 49.29 (+2.84s | 5.4%) | Fmy Gators | 06/14/2024 | 2024 SD Aberdeen Summer High Point Swim Meet | |
| 906 | Brendan Stork | 52.15 | 10 | B Min | BB: 49.29 (+2.86s | 5.5%) | Clovis Swim Club | 06/21/2025 | 2025 FDST June A B Modified LC Invitational | |
| 907 | Charles Finter | 52.15 | 10 | B Min | BB: 49.29 (+2.86s | 5.5%) | Bend Swim Club | 06/20/2025 | Bend Swim Club Sun Country Invite | |
| 908 | Xavier Kallus | 52.15 | 10 | B Min | BB: 49.29 (+2.86s | 5.5%) | Victoria Texas Aquatic Club | 05/16/2025 | 2025 ST AAAA NS Salute To The Troops | |
| 909 | Theodore Gramer | 52.18 | 10 | B Min | BB: 49.29 (+2.89s | 5.5%) | SwimTLC-Parker Phenomena Swim | 04/26/2025 | 2025 CO FST Spring LC Fever | |
| 910 | Ahaan Iragavarapu | 52.19 | 10 | B Min | BB: 49.29 (+2.90s | 5.6%) | Pro Swimming | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 911 | Mayson Lu | 52.19 | 10 | B Min | BB: 49.29 (+2.90s | 5.6%) | Racer X Aquatics | 06/12/2025 | Holtrey Summer Classic | |
| 912 | Kai Chen | 52.21 | 10 | B Min | BB: 49.29 (+2.92s | 5.6%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 913 | Charles Doran | 52.21 | 10 | B Min | BB: 49.29 (+2.92s | 5.6%) | Nova of Virginia | 04/26/2024 | NOVA LC Kick Off | |
| 914 | Anay Agarwal | 52.22 | 8 | B Min | BB: 49.29 (+2.93s | 5.6%) | West Coast Aquatics | 04/25/2025 | 2025 PN KING Spring Derby | |
| 915 | Robert Mellinger | 52.23 | 10 | B Min | BB: 49.29 (+2.94s | 5.6%) | Saint Petersburg Aquatics | 05/16/2025 | 2025 SAINT PETE S 2nd LONG COURSE MEET | |
| 916 | Zachariah Sivaraj | 52.23 | 8 | B Min | BB: 49.29 (+2.94s | 5.6%) | Sawtooth Aquatic Club | 07/18/2025 | 2025 LCM Summer Championships | |
| 917 | Mason Cao | 52.23 | 10 | B Min | BB: 49.29 (+2.94s | 5.6%) | Quicksilver Swimming | 06/28/2024 | 2024 Valley Splash Zone 1S LCM C B A+ | |
| 918 | Jaden Langley | 52.29 | 9 | B Min | BB: 49.29 (+3.00s | 5.7%) | Rocky Mountain Rapids | 04/26/2025 | 2025 CO COSA Spring LC Kick Off | |
| 919 | Parker Lozes | 52.30 | 9 | B Min | BB: 49.29 (+3.01s | 5.8%) | CAC Stingrays Swim Team | 06/27/2025 | 2025 CO Zone 2 DU Meet | |
| 920 | Smith Larsen | 52.30 | 9 | B Min | BB: 49.29 (+3.01s | 5.8%) | Magic Valley Marlins | 07/18/2025 | 2025 LCM Summer Championships | |
| 921 | Isaiah Bridge | 52.30 | 10 | B Min | BB: 49.29 (+3.01s | 5.8%) | Redmond Aquatic Club | 05/02/2025 | Bend Swim Club May Invitational | |
| 922 | Thomas Louzao | 52.30 | 9 | B Min | BB: 49.29 (+3.01s | 5.8%) | Asphalt Green Unified Aquatics | 08/06/2025 | 2025 Summer Elite Showcase | |
| 923 | Noah Jagdev | 52.32 | 10 | B Min | BB: 49.29 (+3.03s | 5.8%) | San Ramon Valley Aquatics | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | |
| 924 | Neeson Ayers | 52.32 | 8 | B Min | BB: 49.29 (+3.03s | 5.8%) | Pikes Peak Athletics | 04/26/2025 | 2025 CO FST Spring LC Fever | |
| 925 | Lev Gishizky | 52.33 | 10 | B Min | BB: 49.29 (+3.04s | 5.8%) | Waves Aquatics Napa Valley | 06/22/2024 | NVST S LAST CHANCE JO SUMMER PLUNGE | |
| 926 | Jaafar Lahmidi | 52.33 | 10 | B Min | BB: 49.29 (+3.04s | 5.8%) | Foothills Swim Team | 05/16/2025 | 2025 CO NJ Ken Kelley Invite | |
| 927 | David Reggio | 52.34 | 9 | B Min | BB: 49.29 (+3.05s | 5.8%) | Kissimmee Swim Association | 04/26/2025 | 10th Annual Hohne Memorial Invitational | |
| 928 | Paxton Padilla | 52.34 | 9 | B Min | BB: 49.29 (+3.05s | 5.8%) | Pueblo County Swim Team | 07/18/2025 | 2025 CO Rocky Ford Blue Marlins Invitational | |
| 929 | Lawson Tenfjord | 52.35 | 10 | B Min | BB: 49.29 (+3.06s | 5.8%) | Highlands Ranch Aquatics | 06/19/2025 | 2025 CO ACES Summer Invite | |
| 930 | Olyn Nelson | 52.36 | 10 | B Min | BB: 49.29 (+3.07s | 5.9%) | Los Altos Mountain View Aquati | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 931 | Muyang He | 52.36 | 9 | B Min | BB: 49.29 (+3.07s | 5.9%) | Santa Clara Swim Club | 05/17/2024 | Quicksilver Swimming Zone 1S LCM C B A+ Meet | |
| 932 | Luke Slowik | 52.37 | 10 | B Min | BB: 49.29 (+3.08s | 5.9%) | Westlake Aquatic Facility | 04/05/2025 | 2025 ST TXLA 10 U Long Course Kick Off | |
| 933 | Barrett Jenkins | 52.37 | 9 | B Min | BB: 49.29 (+3.08s | 5.9%) | Mercy HealthPlex Sea Wolves | 08/06/2025 | 2025 Summer Elite Showcase | |
| 934 | Tommy Yount | 52.38 | 10 | B Min | BB: 49.29 (+3.09s | 5.9%) | Burlingame Aquatics | 06/06/2025 | BAC C B A Meet | |
| 935 | Lucas Umaniuc | 52.41 | 9 | B Min | BB: 49.29 (+3.12s | 6.0%) | Walnut Creek Aquabears | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 936 | Norne Fang | 52.41 | 8 | B Min | BB: 49.29 (+3.12s | 6.0%) | Milpitas Aquatic Club | 07/19/2025 | Alto Last Splash | |
| 937 | Amir Toleubek | 52.43 | 10 | B Min | BB: 49.29 (+3.14s | 6.0%) | Alto Swim Club | 06/07/2024 | DACA LC C B A+ Meet | |
| 938 | Johnathan Rudd | 52.45 | 9 | B Min | BB: 49.29 (+3.16s | 6.0%) | Jupiter Dragons Swim Team | 06/07/2025 | 2025 TCA Aaron Vaughn Memorial | |
| 939 | Watson She | 52.45 | 9 | B Min | BB: 49.29 (+3.16s | 6.0%) | Bellevue Club Swim Team | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 940 | Elijah Spencer | 52.46 | 8 | B Min | BB: 49.29 (+3.17s | 6.0%) | Life Time Minnesota Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 941 | Mark Badziong | 52.46 | 8 | B Min | BB: 49.29 (+3.17s | 6.0%) | Hudson Explorer Aquatic | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 942 | Marcus England | 52.49 | 10 | B Min | BB: 49.29 (+3.20s | 6.1%) | Sawtooth Aquatic Club | 05/16/2025 | 2025 Spring Fling LC Invitational | |
| 943 | Reid Siemens | 52.49 | 8 | B Min | BB: 49.29 (+3.20s | 6.1%) | Hurricanes Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 944 | Killian Mann | 52.50 | 9 | B Min | BB: 49.29 (+3.21s | 6.1%) | Olympic Cascade Aquatics | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 945 | Amir Turgunov | 52.51 | 9 | B Min | BB: 49.29 (+3.22s | 6.1%) | Patriot Aquatics | 05/16/2025 | 2025 PA Long Course Invite | |
| 946 | Clyde Hanna | 52.54 | 9 | B Min | BB: 49.29 (+3.25s | 6.2%) | Lake Oswego Swim Club | 05/02/2025 | 2025 THSC Spring Invitational | |
| 947 | Jackson Jensen | 52.55 | 9 | B Min | BB: 49.29 (+3.26s | 6.2%) | Valley Aquatics | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 948 | Benjamin Verhoef | 52.55 | 9 | B Min | BB: 49.29 (+3.26s | 6.2%) | Bolles School Sharks | 04/11/2025 | 2025 April Classic | |
| 949 | Elliott Baranack | 52.55 | 10 | B Min | BB: 49.29 (+3.26s | 6.2%) | Firestone Akron Swim Team | 06/12/2025 | Holtrey Summer Classic | |
| 950 | Luca Mansur | 52.57 | 10 | B Min | BB: 49.29 (+3.28s | 6.2%) | Azura Florida Aquatics | 01/17/2026 | 2026 Azura Winter Open LCM 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.