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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2001 | Becker Robinson-Jones | 50.26 | 9 | B: 48.29 (+1.97s | 3.9%) | Northglenn Fusion Swim Club | 12/12/2025 | 2025 CO NJ Blizzard Invite | ||
| 2002 | Brant Davis | 50.27 | 7 | B: 48.29 (+1.98s | 3.9%) | Pueblo County Swim Team | 01/02/2026 | 2026 CO COSA New Year Open | ||
| 2003 | Riggs Bennett | 50.27 | 8 | B: 48.29 (+1.98s | 3.9%) | Excel Aquatics | 11/01/2025 | 2025 Pumpkin Spice Splash | ||
| 2004 | Ansel Sheehy | 50.29 | 7 | B: 48.29 (+2.00s | 4.0%) | Ladera Oaks | 11/16/2024 | 2024 DACA SC CBA Meet | ||
| 2005 | Tobias Saddler | 50.29 | 10 | B: 48.29 (+2.00s | 4.0%) | North Jeffco Swim Team | 02/13/2026 | 2026 CO NJ Groundhog Invite | ||
| 2006 | Simi Larson | 50.32 | 9 | B: 48.29 (+2.03s | 4.0%) | Gunnison Stingrays | 06/13/2025 | 2025 CO Gunnison Invitational | ||
| 2007 | Jeon Spears | 50.33 | 10 | B: 48.29 (+2.04s | 4.1%) | COSA Swimming | 02/13/2026 | 2026 CO Valentine Open | ||
| 2008 | 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 | ||
| 2009 | Yash Miyan | 50.35 | 10 | B: 48.29 (+2.06s | 4.1%) | South Valley Stingrays | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | ||
| 2010 | Anadi Kochhar | 50.36 | 6 | B: 48.29 (+2.07s | 4.1%) | Tri-city Channel Cats | 01/03/2026 | January Storm | ||
| 2011 | Brighton Watts | 50.37 | 8 | B: 48.29 (+2.08s | 4.1%) | Wasatch Front Fish Market | 09/18/2025 | WFFM September Intersquad | ||
| 2012 | Daniel Popescu | 50.37 | 7 | B: 48.29 (+2.08s | 4.1%) | Seattle Metropolitan Aquatic C | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | ||
| 2013 | Miles Tseung | 50.39 | 10 | B: 48.29 (+2.10s | 4.2%) | San Ramon Valley Aquatics | 10/18/2025 | PC SRVA SCY B BB+ Meet | ||
| 2014 | Leo Bednarski | 50.39 | 8 | B: 48.29 (+2.10s | 4.2%) | North Jeffco Swim Team | 02/13/2026 | 2026 CO NJ Groundhog Invite | ||
| 2015 | Jack Herson | 50.42 | 9 | B: 48.29 (+2.13s | 4.2%) | Albany Armada Aquatics | 02/07/2026 | 2026 PSL Super Finals Invitational | ||
| 2016 | Oliver Gremban | 50.42 | 9 | B: 48.29 (+2.13s | 4.2%) | North Coast Aquatics | 11/08/2025 | HSA All Ages NTS | ||
| 2017 | Samuel Lopez Silva | 50.43 | 9 | B: 48.29 (+2.14s | 4.2%) | Pro Swimming | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | ||
| 2018 | 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 | ||
| 2019 | Corey Stolz | 50.44 | 9 | B: 48.29 (+2.15s | 4.3%) | North Jeffco Swim Team | 10/18/2024 | 2024 CO MACS Fall Invitational | ||
| 2020 | Ryan Ramirez | 50.44 | 8 | B: 48.29 (+2.15s | 4.3%) | South Bay Aquatics | 01/31/2026 | 2026 SBA All Ages NTS Meet | ||
| 2021 | Max Winebrand | 50.46 | 9 | B: 48.29 (+2.17s | 4.3%) | Pacific Swim | 01/31/2026 | 2026 SBA All Ages NTS Meet | ||
| 2022 | Liam Frank | 50.47 | 8 | B: 48.29 (+2.18s | 4.3%) | Olympus Aquatics | 09/13/2024 | 2024 Olympus Aquatics IMX Challenge | ||
| 2023 | Eyad Yossef | 50.48 | 8 | B: 48.29 (+2.19s | 4.3%) | Pro Swimming | 01/23/2026 | 2026 PN Pro January Intrasquad Approved | ||
| 2024 | Mihai Nicolaev | 50.49 | 10 | B: 48.29 (+2.20s | 4.4%) | Front Range Barracudas | 01/16/2026 | 2026 CO CUDA Classic | ||
| 2025 | Vihaan Barli | 50.50 | 8 | B: 48.29 (+2.21s | 4.4%) | Pro Swimming | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | ||
| 2026 | Trek Tarinelli | 50.50 | 10 | B: 48.29 (+2.21s | 4.4%) | Southern Utah Swimming Associa | 12/12/2025 | Stingrays Christmas Chaos | ||
| 2027 | Cesar Bautista | 50.50 | 9 | B: 48.29 (+2.21s | 4.4%) | Napa Valley Swim Team | 10/19/2024 | Pumpkin Plunge Invitational | ||
| 2028 | Irvin Bulaty | 50.51 | 8 | B: 48.29 (+2.22s | 4.4%) | Valley Aquatics | 11/16/2025 | 2025 PN PAC Q Meet | ||
| 2029 | Peter Misja | 50.52 | 10 | B: 48.29 (+2.23s | 4.4%) | COSA Swimming | 12/19/2025 | 2025 CO Falfins Holiday Open | ||
| 2030 | Evan Islip | 50.52 | 9 | B: 48.29 (+2.23s | 4.4%) | Pacific Swim | 01/25/2025 | 2024 SI BAY 10U Mini Meet | ||
| 2031 | Marcus Chistol | 50.54 | 8 | B: 48.29 (+2.25s | 4.5%) | Livermore AquaCowboys | 12/14/2024 | Richard Thorntorn Memorial Meet SCY CBBB+ | ||
| 2032 | Mason Love | 50.55 | 7 | B: 48.29 (+2.26s | 4.5%) | Denver Swim Academy | 01/23/2026 | 2026 CO TOPS Colorado Open | ||
| 2033 | Diego Pisoni | 50.56 | 8 | B: 48.29 (+2.27s | 4.5%) | Neptune Swimming | 09/27/2025 | Neptune Swimming Fall Classic | ||
| 2034 | Gabriel Goldman-Mohl | 50.57 | 8 | B: 48.29 (+2.28s | 4.5%) | Dart Swimming | 10/28/2023 | SCSC Vs DART Dual Meet | ||
| 2035 | Johnathan Fritz | 50.57 | 7 | B: 48.29 (+2.28s | 4.5%) | Boulder City Henderson Swim Te | 11/08/2024 | 2024 NV State Championships | ||
| 2036 | Luke Crandall | 50.58 | 9 | B: 48.29 (+2.29s | 4.5%) | Murray Aquatic Club | 11/20/2025 | 2025 MAC Thanksgiving Mini Meet | ||
| 2037 | Eric Arnold | 50.58 | 8 | B: 48.29 (+2.29s | 4.5%) | Piranha Swimming | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | ||
| 2038 | Pravas Lama | 50.58 | 9 | B: 48.29 (+2.29s | 4.5%) | Mount Hood Aquatics | 01/23/2026 | 2026 TTSC Winter Qualifier | ||
| 2039 | George Li | 50.58 | 8 | B: 48.29 (+2.29s | 4.5%) | Bellevue Club Swim Team | 11/07/2025 | 2025 THSC November Open | ||
| 2040 | Calvin Hopkins | 50.59 | 7 | B: 48.29 (+2.30s | 4.5%) | Unattached | 04/06/2024 | April Pools 2024 | ||
| 2041 | Jaroslav Rezac | 50.59 | 9 | B: 48.29 (+2.30s | 4.5%) | Longmont Swim Club | 01/16/2026 | 2026 CO CUDA Classic | ||
| 2042 | Logan Shen | 50.59 | 9 | B: 48.29 (+2.30s | 4.5%) | Alto Swim Club | 03/29/2025 | Alto Rock The Blocks Invitational | ||
| 2043 | William Langeland | 50.59 | 7 | B: 48.29 (+2.30s | 4.5%) | Swim Lake City Legends | 10/21/2022 | Dive Into The Unknown 2022 | ||
| 2044 | Sutton Hopelain | 50.63 | 9 | B: 48.29 (+2.34s | 4.6%) | Bay Club Panthers | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 2045 | Quincy Oshitelu | 50.63 | 8 | B: 48.29 (+2.34s | 4.6%) | Hillsboro Swim Team | 12/13/2025 | 2025 OR HEAT Winter Invitational | ||
| 2046 | Timur Shafigulin | 50.64 | 9 | B: 48.29 (+2.35s | 4.6%) | Wave Aquatics | 01/25/2025 | 2025 PN Wave Winter Invitational | ||
| 2047 | Logan Davie | 50.65 | 8 | B: 48.29 (+2.36s | 4.7%) | Bend Swim Club | 12/18/2025 | Bend Swim Club Intersquad | ||
| 2048 | Chior Prange | 50.65 | 10 | B: 48.29 (+2.36s | 4.7%) | Bishop Swim Team | 08/01/2025 | 2025 High Country Short Course Championship | ||
| 2049 | Lincoln Diaz | 50.66 | 9 | B: 48.29 (+2.37s | 4.7%) | Madera Aquatic Team | 10/25/2025 | 2025 Gil Williams Memorial Halloween Meet | ||
| 2050 | Jaxton Padgett | 50.67 | 9 | B: 48.29 (+2.38s | 4.7%) | Lebanon Swim Club | 02/16/2025 | 2025 AAA Final Countdown Open | ||
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.