Western Zone Zone Boys 10 & under - 50 Y 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1951 | Jerry Zhang | 50.34 | 10 | B: 48.29 (+2.05s | 4.1%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | ||
| 1952 | Lucas Oh | 50.35 | 10 | B: 48.29 (+2.06s | 4.1%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | ||
| 1953 | Yash Miyan | 50.35 | 10 | B: 48.29 (+2.06s | 4.1%) | South Valley Stingrays | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | ||
| 1954 | Eyad Yossef | 50.36 | 8 | B: 48.29 (+2.07s | 4.1%) | Pro Swimming | 02/27/2026 | 2026 PN February AGI, Division 2 Approved | ||
| 1955 | Anadi Kochhar | 50.36 | 6 | B: 48.29 (+2.07s | 4.1%) | Tri-city Channel Cats | 01/03/2026 | January Storm | ||
| 1956 | Brighton Watts | 50.37 | 9 | B: 48.29 (+2.08s | 4.1%) | Wasatch Front Fish Market | 09/18/2025 | WFFM September Intersquad | ||
| 1957 | Leo Bednarski | 50.39 | 8 | B: 48.29 (+2.10s | 4.2%) | North Jeffco Swim Team | 02/13/2026 | 2026 CO NJ Groundhog Invite | ||
| 1958 | Jack Herson | 50.42 | 9 | B: 48.29 (+2.13s | 4.2%) | Albany Armada Aquatics | 02/07/2026 | 2026 PSL Super Finals Invitational | ||
| 1959 | Oliver Gremban | 50.42 | 9 | B: 48.29 (+2.13s | 4.2%) | North Coast Aquatics | 11/08/2025 | HSA All Ages NTS | ||
| 1960 | Aaron Xue | 50.43 | 9 | B: 48.29 (+2.14s | 4.2%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | ||
| 1961 | Ryan Ramirez | 50.44 | 8 | B: 48.29 (+2.15s | 4.3%) | South Bay Aquatics | 01/31/2026 | 2026 SBA All Ages NTS Meet | ||
| 1962 | Corey Stolz | 50.44 | 10 | B: 48.29 (+2.15s | 4.3%) | North Jeffco Swim Team | 10/18/2024 | 2024 CO MACS Fall Invitational | ||
| 1963 | Max Winebrand | 50.46 | 10 | B: 48.29 (+2.17s | 4.3%) | Pacific Swim | 01/31/2026 | 2026 SBA All Ages NTS Meet | ||
| 1964 | Liam Frank | 50.47 | 10 | B: 48.29 (+2.18s | 4.3%) | Olympus Aquatics | 09/13/2024 | 2024 Olympus Aquatics IMX Challenge | ||
| 1965 | Mihai Nicolaev | 50.49 | 10 | B: 48.29 (+2.20s | 4.4%) | Front Range Barracudas | 01/16/2026 | 2026 CO CUDA Classic | ||
| 1966 | Vihaan Barli | 50.50 | 8 | B: 48.29 (+2.21s | 4.4%) | Pro Swimming | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | ||
| 1967 | Trek Tarinelli | 50.50 | 10 | B: 48.29 (+2.21s | 4.4%) | Southern Utah Swimming Associa | 12/12/2025 | Stingrays Christmas Chaos | ||
| 1968 | George He | 50.50 | 9 | B: 48.29 (+2.21s | 4.4%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | ||
| 1969 | Irvin Bulaty | 50.51 | 8 | B: 48.29 (+2.22s | 4.4%) | Valley Aquatics | 11/16/2025 | 2025 PN PAC Q Meet | ||
| 1970 | Evan Islip | 50.52 | 10 | B: 48.29 (+2.23s | 4.4%) | Pacific Swim | 01/25/2025 | 2024 SI BAY 10U Mini Meet | ||
| 1971 | Marcus Chistol | 50.54 | 10 | B: 48.29 (+2.25s | 4.5%) | Livermore AquaCowboys | 12/14/2024 | Richard Thorntorn Memorial Meet SCY CBBB+ | ||
| 1972 | Diego Pisoni | 50.56 | 9 | B: 48.29 (+2.27s | 4.5%) | Neptune Swimming | 09/27/2025 | Neptune Swimming Fall Classic | ||
| 1973 | Gabriel Goldman-Mohl | 50.57 | 10 | B: 48.29 (+2.28s | 4.5%) | Dart Swimming | 10/28/2023 | SCSC Vs DART Dual Meet | ||
| 1974 | Johnathan Fritz | 50.57 | 9 | B: 48.29 (+2.28s | 4.5%) | Boulder City Henderson Swim Te | 11/08/2024 | 2024 NV State Championships | ||
| 1975 | Luke Crandall | 50.58 | 9 | B: 48.29 (+2.29s | 4.5%) | Murray Aquatic Club | 11/20/2025 | 2025 MAC Thanksgiving Mini Meet | ||
| 1976 | Eric Arnold | 50.58 | 9 | B: 48.29 (+2.29s | 4.5%) | Piranha Swimming | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | ||
| 1977 | Pravas Lama | 50.58 | 9 | B: 48.29 (+2.29s | 4.5%) | Mount Hood Aquatics | 01/23/2026 | 2026 TTSC Winter Qualifier | ||
| 1978 | Logan Shen | 50.59 | 10 | B: 48.29 (+2.30s | 4.5%) | Alto Swim Club | 03/29/2025 | Alto Rock The Blocks Invitational | ||
| 1979 | Timur Shafigulin | 50.64 | 10 | B: 48.29 (+2.35s | 4.6%) | Wave Aquatics | 01/25/2025 | 2025 PN Wave Winter Invitational | ||
| 1980 | Keyur Deshpande | 50.64 | 9 | B: 48.29 (+2.35s | 4.6%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | ||
| 1981 | Nalan Vijay | 50.65 | 9 | B: 48.29 (+2.36s | 4.7%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | ||
| 1982 | Lincoln Diaz | 50.66 | 9 | B: 48.29 (+2.37s | 4.7%) | Madera Aquatic Team | 10/25/2025 | 2025 Gil Williams Memorial Halloween Meet | ||
| 1983 | Jaxton Padgett | 50.67 | 10 | B: 48.29 (+2.38s | 4.7%) | Lebanon Swim Club | 02/16/2025 | 2025 AAA Final Countdown Open | ||
| 1984 | Simon Doyle | 50.67 | 8 | B: 48.29 (+2.38s | 4.7%) | North Jeffco Swim Team | 12/12/2025 | 2025 CO NJ Blizzard Invite | ||
| 1985 | Chen Yuan | 50.67 | 9 | B: 48.29 (+2.38s | 4.7%) | Wave Aquatics | 09/27/2025 | 2025 PN SSCD Autumn Open | ||
| 1986 | Rory Lan | 50.68 | 9 | B: 48.29 (+2.39s | 4.7%) | DeAnza Cupertino Aquatics | 03/07/2026 | DACA CBA Meet | ||
| 1987 | August Justus | 50.68 | 9 | B: 48.29 (+2.39s | 4.7%) | Mission Aurora Colorado Swimmi | 01/03/2026 | 2026 CO MACS Winter Invitationak | ||
| 1988 | William Oubre | 50.69 | 10 | B: 48.29 (+2.40s | 4.7%) | Salida Cyclones | 08/01/2025 | 2025 CO CSI Scottie Aschermann Memorial | ||
| 1989 | Walden Tanaka | 50.70 | 10 | B: 48.29 (+2.41s | 4.8%) | Bay Club Aquatics | 02/21/2026 | 2026 SI JBST Age Group Champs Max | ||
| 1990 | Will Wu | 50.71 | 10 | B: 48.29 (+2.42s | 4.8%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | ||
| 1991 | Hugo Kenron | 50.73 | 9 | B: 48.29 (+2.44s | 4.8%) | Portland Aquatic Club | 01/03/2026 | 2026 CAT Short Course Open | ||
| 1992 | Tucker Lamb | 50.73 | 8 | B: 48.29 (+2.44s | 4.8%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | ||
| 1993 | Lev Omniewski | 50.73 | 9 | B: 48.29 (+2.44s | 4.8%) | North Coast Aquatics | 04/12/2025 | 2025 SBA BC Meet | ||
| 1994 | Bilal Kseibat | 50.73 | 8 | B: 48.29 (+2.44s | 4.8%) | Las Cruces Aquatic Team | 02/13/2026 | 2026 BD Arctic BLAST Swim Meet | ||
| 1995 | Jayden Huang | 50.74 | 9 | B: 48.29 (+2.45s | 4.8%) | Aces Swim Club | 02/15/2025 | 2025 CO Aces Winter Open | ||
| 1996 | William Durrant | 50.74 | 9 | B: 48.29 (+2.45s | 4.8%) | Wasatch Front Fish Market | 11/01/2025 | Dive Into The Unknown 2025 | ||
| 1997 | August Loening | 50.75 | 8 | B: 48.29 (+2.46s | 4.8%) | Daly City Dolphins | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | ||
| 1998 | Sebastian Robinson-Jones | 50.76 | 9 | B: 48.29 (+2.47s | 4.9%) | Northglenn Fusion Swim Club | 12/12/2025 | 2025 CO NJ Blizzard Invite | ||
| 1999 | Robert Patterson | 50.76 | 10 | B: 48.29 (+2.47s | 4.9%) | Lake Oswego Swim Club | 12/13/2025 | 2025 OR HEAT Winter Invitational | ||
| 2000 | Evan Bird | 50.77 | 10 | B: 48.29 (+2.48s | 4.9%) | Form Swim Team | 02/02/2025 | 2025 CO FORM February Freeze | ||
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.