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 Lyu | 55.01 | 8 | B Min | BB: 49.29 (+5.72s | 10.4%) | Tri-city Channel Cats | 07/25/2025 | 2025 IES LC CHAMPIONSHIPS | |
| 802 | Cohen Gould | 55.03 | 8 | B Min | BB: 49.29 (+5.74s | 10.4%) | Pikes Peak Athletics | 06/20/2025 | 2025 Falfins Long Course Open | |
| 803 | Hugo Situ | 55.07 | 9 | B Min | BB: 49.29 (+5.78s | 10.5%) | Daly City Dolphins | 06/06/2025 | BAC C B A Meet | |
| 804 | Lehai Li | 55.08 | 8 | B Min | BB: 49.29 (+5.79s | 10.5%) | Alto Swim Club | 04/27/2024 | Alto Spring Jam | |
| 805 | Joseph Leach | 55.08 | 8 | B Min | BB: 49.29 (+5.79s | 10.5%) | Highlands Ranch Aquatics | 04/12/2025 | 2025 CO TOPS Suburban League Pentathlon | |
| 806 | Evan Doong | 55.14 | 9 | B Min | BB: 49.29 (+5.85s | 10.6%) | Sunnyvale Swim Club | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 807 | Samuel Hitz | 55.14 | 10 | B Min | BB: 49.29 (+5.85s | 10.6%) | Portneuf Valley Swim Team | 07/18/2025 | 2025 LCM Summer Championships | |
| 808 | Boaz Mccabe | 55.14 | 8 | B Min | BB: 49.29 (+5.85s | 10.6%) | Cortez Water Dragons | 05/31/2025 | 2025 CO Cortez LC Summer Open | |
| 809 | Terence Wu | 55.16 | 8 | B Min | BB: 49.29 (+5.87s | 10.6%) | Blue Dolphin Swim Team | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 810 | Linkon Malone | 55.17 | 8 | B Min | BB: 49.29 (+5.88s | 10.7%) | Sawtooth Aquatic Club | 05/16/2025 | 2025 Spring Fling LC Invitational | |
| 811 | Avery Fogarty | 55.19 | 9 | B Min | BB: 49.29 (+5.90s | 10.7%) | Maverick Aquatics | 06/19/2025 | 2025 CO Grand Junction Invitational | |
| 812 | Alec Henriques | 55.20 | 9 | B Min | BB: 49.29 (+5.91s | 10.7%) | Napa Valley Swim Team | 06/21/2025 | NVST Last Chance AG Champs Summer Plunge 2025 | |
| 813 | Jackson Porter | 55.22 | 9 | B Min | BB: 49.29 (+5.93s | 10.7%) | Stingray Swim Team | 05/29/2025 | 2025 IE VS Apple Capital | |
| 814 | Rorick Umbras | 55.26 | 10 | B Min | BB: 49.29 (+5.97s | 10.8%) | Legacy Aquatics | 11/01/2025 | Oregon City Fall Open 2025 | |
| 815 | Silas Roland | 55.32 | 8 | B Min | BB: 49.29 (+6.03s | 10.9%) | Univ. of Denver Hilltoppers | 07/12/2025 | 2025 CO TOPS SBL Summer Sizzler | |
| 816 | Quintus Cheung | 55.37 | 8 | B Min | BB: 49.29 (+6.08s | 11.0%) | Milpitas Aquatic Club | 07/19/2025 | Alto Last Splash | |
| 817 | Finn Blakeslee | 55.37 | 9 | B Min | BB: 49.29 (+6.08s | 11.0%) | Hood River Valley Swim Team | 05/02/2025 | Bend Swim Club May Invitational | |
| 818 | Zihan Zhao | 55.39 | 8 | B Min | BB: 49.29 (+6.10s | 11.0%) | Pacific Dragons Swim Team | 06/14/2025 | 2025 IST June Invtational | |
| 819 | Dutch Pyburn | 55.41 | 8 | B: 55.39 (+0.02s | 0.0%) | Albany Aquatic Association | 05/02/2025 | 2025 AAA May LC Invitational | ||
| 820 | Theodore Neice | 55.46 | 7 | B: 55.39 (+0.07s | 0.1%) | Lake Oswego Swim Club | 06/06/2025 | 2025 THSC June Invitational | ||
| 821 | Rees Yan | 55.47 | 10 | B: 55.39 (+0.08s | 0.1%) | Cascadia Swimming | 05/30/2025 | LA OPEN 2025 | ||
| 822 | Keith Guo | 55.49 | 8 | B: 55.39 (+0.10s | 0.2%) | Pacific Dragons Swim Team | 06/14/2025 | 2025 IST June Invtational | ||
| 823 | Dax Lindsey | 55.50 | 8 | B: 55.39 (+0.11s | 0.2%) | Dart Swimming | 06/21/2024 | Reno Aquatic Club Gamble | ||
| 824 | Alan Ying | 55.55 | 10 | B: 55.39 (+0.16s | 0.3%) | San Ramon Valley Aquatics | 05/10/2025 | PC SRVA LCM C B BB+ | ||
| 825 | Watson Xie | 55.56 | 9 | B: 55.39 (+0.17s | 0.3%) | Chinook Aquatic Club | 05/29/2025 | 2025 IE VS Apple Capital | ||
| 826 | Jackson Pinkerton | 55.57 | 9 | B: 55.39 (+0.18s | 0.3%) | YMCA Presidio Aquatics | 06/22/2024 | NVST S LAST CHANCE JO SUMMER PLUNGE | ||
| 827 | Holden Hoffman | 55.57 | 8 | B: 55.39 (+0.18s | 0.3%) | Terrapins Swim Team | 07/12/2025 | 2025 Silver State Championships | ||
| 828 | Jonathan Chen | 55.60 | 8 | B: 55.39 (+0.21s | 0.4%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | ||
| 829 | Matteo Vargas | 55.61 | 9 | B: 55.39 (+0.22s | 0.4%) | Life Time Fitness Utah Swim Te | 04/11/2025 | WFFM LC Kickoff 2025 | ||
| 830 | Callahan Ford | 55.61 | 8 | B: 55.39 (+0.22s | 0.4%) | Evergreen Hurricanes | 05/16/2025 | 2025 CO NJ Ken Kelley Invite | ||
| 831 | Noah Attia | 55.62 | 8 | B: 55.39 (+0.23s | 0.4%) | Diablo Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | ||
| 832 | Angus McInnes | 55.62 | 9 | B: 55.39 (+0.23s | 0.4%) | The Dalles Swim Team | 06/20/2025 | 72nd Annual Ted Walker Invitational | ||
| 833 | Lucas Wang | 55.62 | 9 | B: 55.39 (+0.23s | 0.4%) | Chinook Aquatic Club | 05/29/2025 | 2025 IE VS Apple Capital | ||
| 834 | Tyler Mirasol | 55.63 | 7 | B: 55.39 (+0.24s | 0.4%) | Quicksilver Swimming | 06/28/2024 | 2024 Valley Splash Zone 1S LCM C B A+ | ||
| 835 | Aaden Foster | 55.63 | 9 | B: 55.39 (+0.24s | 0.4%) | Denver Swim Academy | 04/26/2025 | 2025 CO FST Spring LC Fever | ||
| 836 | Ben Casley | 55.69 | 10 | B: 55.39 (+0.30s | 0.5%) | Sebastopol Sea Serpents | 05/17/2025 | Neptune Swimming May Long Course Meet | ||
| 837 | Atharv Tiruke | 55.69 | 8 | B: 55.39 (+0.30s | 0.5%) | Sunnyvale Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | ||
| 838 | Daniel Rumiantcev | 55.69 | 8 | B: 55.39 (+0.30s | 0.5%) | Sunnyvale Swim Club | 06/07/2024 | DACA LC C B A+ Meet | ||
| 839 | Steven Ibana | 55.69 | 8 | B: 55.39 (+0.30s | 0.5%) | Spokane Waves Aquatic Team | 06/20/2025 | 2025 SWAT Summer Solstice | ||
| 840 | Austin Adler | 55.70 | 8 | B: 55.39 (+0.31s | 0.6%) | Lake Oswego Swim Club | 06/06/2025 | 2025 THSC June Invitational | ||
| 841 | Bennett Calliham | 55.71 | 8 | B: 55.39 (+0.32s | 0.6%) | Loveland Swim Club | 06/06/2025 | 2025 CO FAST June Bonanza | ||
| 842 | Derek Feng | 55.71 | 9 | B: 55.39 (+0.32s | 0.6%) | San Ramon Valley Aquatics | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | ||
| 843 | Vaughn Jamison | 55.72 | 9 | B: 55.39 (+0.33s | 0.6%) | Aspire Aquatics of Colorado | 05/16/2025 | 2025 CO ACES Spring Invite | ||
| 844 | Corey Stolz | 55.73 | 10 | B: 55.39 (+0.34s | 0.6%) | North Jeffco Swim Team | 05/16/2025 | 2025 CO NJ Ken Kelley Invite | ||
| 845 | George Bolt | 55.74 | 10 | B: 55.39 (+0.35s | 0.6%) | VillaSport Swim Team | 05/30/2025 | LA OPEN 2025 | ||
| 846 | Nathaniel Hernandez Gomez | 55.74 | 9 | B: 55.39 (+0.35s | 0.6%) | Central Coast Swim Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | ||
| 847 | Bruce Neilsen | 55.75 | 7 | B: 55.39 (+0.36s | 0.6%) | Lehi Aquatics | 06/21/2025 | 2025 UT HAST RWB BC Medals Meet | ||
| 848 | Carter Sparks | 55.77 | 9 | B: 55.39 (+0.38s | 0.7%) | Front Range Barracudas | 05/30/2025 | 2025 CO Barracuda Summer Sizzler Invite | ||
| 849 | Jayden Chen | 55.78 | 9 | B: 55.39 (+0.39s | 0.7%) | Tualatin Hills Swim Club | 05/02/2025 | 2025 THSC Spring Invitational | ||
| 850 | Vivaan Jagadish | 55.79 | 9 | B: 55.39 (+0.40s | 0.7%) | Tualatin Hills Swim Club | 06/06/2025 | 2025 THSC June 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.