Western Zone Zone Boys 10 & under - 50 M Back
These rankings show the swimmers' placement within their Zone.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 | |
|---|---|---|---|---|---|---|---|---|---|
| 801 | Ethan Tse | 51.71 | 9 | B Min | BB: 49.29 (+2.42s | 4.7%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 802 | Finn Scott | 51.73 | 10 | B Min | BB: 49.29 (+2.44s | 4.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 803 | Ryan Hu | 51.73 | 9 | B Min | BB: 49.29 (+2.44s | 4.7%) | Pacific Dragons Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | |
| 804 | Liam Arrobo | 51.76 | 8 | B Min | BB: 49.29 (+2.47s | 4.8%) | Hillsboro Swim Team | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | |
| 805 | Joaquin Garcia | 51.76 | 10 | B Min | BB: 49.29 (+2.47s | 4.8%) | Unattached | 04/12/2025 | 2025 CO TOPS Suburban League Pentathlon | |
| 806 | Ferris Mecleary | 51.78 | 8 | B Min | BB: 49.29 (+2.49s | 4.8%) | Pacific Swim | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 807 | Quincy Lofton | 51.80 | 8 | B Min | BB: 49.29 (+2.51s | 4.8%) | Star Aquatics | 04/17/2026 | 2026 STAR April Friday Night At The Races | |
| 808 | Lucas Hernandez | 51.80 | 10 | B Min | BB: 49.29 (+2.51s | 4.8%) | Bellevue Club Swim Team | 05/28/2026 | 2026 IE VS Apple Capital | |
| 809 | Shivansh Podder | 51.81 | 8 | B Min | BB: 49.29 (+2.52s | 4.9%) | Alto Swim Club | 07/25/2026 | Alto Last Splash | |
| 810 | Albert Shifrin | 51.85 | 10 | B Min | BB: 49.29 (+2.56s | 4.9%) | Mjcc Stingrays | 08/01/2026 | 2026 GACC End Of Season | |
| 811 | Austin Zhou | 51.85 | 10 | B Min | BB: 49.29 (+2.56s | 4.9%) | Pacific Dragons Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 812 | Eli Ferris | 51.90 | 9 | B Min | BB: 49.29 (+2.61s | 5.0%) | Elko Swim Team | 05/16/2025 | 2025 Spring Fling LC Invitational | |
| 813 | Levi Heilbrun | 51.90 | 10 | B Min | BB: 49.29 (+2.61s | 5.0%) | Bend Swim Club | 06/19/2026 | Bend Swim Club Sun Country Invite 2026 | |
| 814 | Kotia Zvereff | 51.90 | 8 | B Min | BB: 49.29 (+2.61s | 5.0%) | Unattached | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 815 | Erik Kurylenko | 51.95 | 9 | B Min | BB: 49.29 (+2.66s | 5.1%) | Foothills Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 816 | Jimmy Chen | 51.96 | 9 | B Min | BB: 49.29 (+2.67s | 5.1%) | Monterey Park Manta Rays | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 817 | Christopher Rasmuson | 51.96 | 10 | B Min | BB: 49.29 (+2.67s | 5.1%) | Bishop Swim Team | 07/10/2026 | 2026 NNA Silver State Championships | |
| 818 | Vivaan Agarwal | 51.96 | 9 | B Min | BB: 49.29 (+2.67s | 5.1%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 819 | Jordan Fuertes | 52.02 | 10 | B Min | BB: 49.29 (+2.73s | 5.2%) | Maui Dolphins Swim Club | 07/03/2026 | 2026 MAGSA LCM LAST CHANCE Copied | |
| 820 | Owen Matarazzo | 52.07 | 10 | B Min | BB: 49.29 (+2.78s | 5.3%) | The Spartans of La Canada | 06/11/2026 | 2026 SCS June AG Invite | |
| 821 | Noah Granek Brown | 52.08 | 8 | B Min | BB: 49.29 (+2.79s | 5.4%) | Lake Oswego Swim Club | 08/01/2026 | 2026 GACC End Of Season | |
| 822 | Miles Vuong | 52.08 | 10 | B Min | BB: 49.29 (+2.79s | 5.4%) | SOL Swim Team | 06/06/2026 | 2026 SI SOL Splash And Dash Max Jun 6 7 | |
| 823 | Blake Baisch | 52.08 | 10 | B Min | BB: 49.29 (+2.79s | 5.4%) | Seattle Metropolitan Aquatic C | 05/29/2025 | 2025 IE VS Apple Capital | |
| 824 | Logan Shen | 52.10 | 10 | B Min | BB: 49.29 (+2.81s | 5.4%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 825 | Cooper Casebolt | 52.10 | 10 | B Min | BB: 49.29 (+2.81s | 5.4%) | Life Time Colorado Swim Club | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 826 | Jacob Hernandez | 52.13 | 8 | B Min | BB: 49.29 (+2.84s | 5.4%) | Pikes Peak Athletics | 06/19/2026 | 2026 CO Falfins Long Course Open | |
| 827 | 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 | |
| 828 | Calvin Littlejohn | 52.15 | 9 | B Min | BB: 49.29 (+2.86s | 5.5%) | Eugene City Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 829 | Will Wu | 52.15 | 10 | B Min | BB: 49.29 (+2.86s | 5.5%) | Alto Swim Club | 07/25/2026 | Alto Last Splash | |
| 830 | 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 | |
| 831 | Calder McPheeters | 52.18 | 10 | B Min | BB: 49.29 (+2.89s | 5.5%) | California Capital Aquatics | 06/19/2026 | Reno Aquatic Club Gamble | |
| 832 | Alexander Malcomson | 52.18 | 9 | B Min | BB: 49.29 (+2.89s | 5.5%) | Bellevue Club Swim Team | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 833 | Mateo Ibarra | 52.21 | 10 | B Min | BB: 49.29 (+2.92s | 5.6%) | Mount Hood Aquatics | 06/12/2026 | 73rd Ted Walker Invitational 2026 | |
| 834 | Ethan Smith | 52.22 | 10 | B Min | BB: 49.29 (+2.93s | 5.6%) | Bend Swim Club | 05/08/2026 | Bend Swim Club May Invitational 2026 | |
| 835 | Zachariah Sivaraj | 52.23 | 8 | B Min | BB: 49.29 (+2.94s | 5.6%) | Sawtooth Aquatic Club | 07/18/2025 | 2025 LCM Summer Championships | |
| 836 | Elliott Boland | 52.23 | 10 | B Min | BB: 49.29 (+2.94s | 5.6%) | Academy Swim Club | 05/16/2026 | BIG ISLAND SWIMMING @ KCAC | |
| 837 | Isaiah Gravette | 52.25 | 10 | B Min | BB: 49.29 (+2.96s | 5.7%) | SOL Swim Team | 06/06/2026 | 2026 SI SOL Splash And Dash Max Jun 6 7 | |
| 838 | Lincoln Kegler | 52.27 | 9 | B Min | BB: 49.29 (+2.98s | 5.7%) | Casper Swim Club | 06/12/2026 | 2026 RST Coach Beth Rushmore Classic | |
| 839 | Paul Murphy | 52.27 | 8 | B Min | BB: 49.29 (+2.98s | 5.7%) | Maverick Aquatics | 07/10/2026 | 2026 CO Western Slope League Championships | |
| 840 | 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 | |
| 841 | Archie Bjornstad | 52.29 | 8 | B Min | BB: 49.29 (+3.00s | 5.7%) | Apex | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 842 | Smith Larsen | 52.30 | 9 | B Min | BB: 49.29 (+3.01s | 5.8%) | Magic Valley Marlins | 07/18/2025 | 2025 LCM Summer Championships | |
| 843 | BaoSheng Wang | 52.30 | 9 | B Min | BB: 49.29 (+3.01s | 5.8%) | San Ramon Valley Aquatics | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 844 | Zak Schlotfeldt | 52.32 | 10 | B Min | BB: 49.29 (+3.03s | 5.8%) | Bozeman Barracudas Swim Team | 07/10/2026 | 2026 MT HLST Last Chance Invitational | |
| 845 | Benjamin Bean | 52.33 | 8 | B Min | BB: 49.29 (+3.04s | 5.8%) | Tualatin Hills Swim Club | 06/12/2026 | 2026 THSC June Open | |
| 846 | Jacob Istrin | 52.35 | 9 | B Min | BB: 49.29 (+3.06s | 5.8%) | Buenaventura Swim Club | 06/11/2026 | 2026 SCS June AG Invite | |
| 847 | 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+ | |
| 848 | Isaiah Hui | 52.37 | 8 | B Min | BB: 49.29 (+3.08s | 5.9%) | Tualatin Hills Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 849 | Denis Orekhov | 52.37 | 10 | B Min | BB: 49.29 (+3.08s | 5.9%) | Jbarracudas Swim Team | 06/06/2026 | 2026 SI JBST SPLASH DASH MAX | |
| 850 | Aemon Meenaghan | 52.38 | 10 | B Min | BB: 49.29 (+3.09s | 5.9%) | Team Eugene Aquatics | 05/16/2026 | 2026 TEAM Showdown | |
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.