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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2051 | Reece Chiu | 53.22 | 9 | B: 48.29 (+4.93s | 9.3%) | Piedmont Swim Team | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | ||
| 2052 | Deacon Kendall | 53.23 | 9 | B: 48.29 (+4.94s | 9.3%) | Lehi Aquatics | 12/13/2025 | 2025 UTAH Winter Classic | ||
| 2053 | Joshua Riedel | 53.24 | 10 | B: 48.29 (+4.95s | 9.3%) | Velocity Swimming | 04/25/2026 | 2026 IE VS James Elwyn Memorial Progressive | ||
| 2054 | Jayden Han | 53.25 | 7 | B: 48.29 (+4.96s | 9.3%) | Garden Grove Aquatics | 11/21/2025 | 2025 CA MVN Turkey Classic | ||
| 2055 | Luke Korpi | 53.25 | 8 | B: 48.29 (+4.96s | 9.3%) | Diablo Aquatics | 10/18/2025 | PC SRVA SCY B BB+ Meet | ||
| 2056 | Levi Roy | 53.26 | 7 | B: 48.29 (+4.97s | 9.3%) | Denver Swim Academy | 01/02/2026 | 2026 CO COSA New Year Open | ||
| 2057 | Drake Larson | 53.26 | 10 | B: 48.29 (+4.97s | 9.3%) | Tahoe Swim Club | 10/18/2024 | 2024 KING OF THE HILL CHALLENGE | ||
| 2058 | Brice Effinger | 53.26 | 9 | B: 48.29 (+4.97s | 9.3%) | University Place Aquatic Club | 04/18/2026 | 2026 PN UPAC Mark Olson Classic Approved | ||
| 2059 | Benjamin Fikhman | 53.27 | 8 | B: 48.29 (+4.98s | 9.3%) | Pacific Swim | 02/21/2026 | 2026 SI MRA Age Group Champs Max Meet | ||
| 2060 | Miles Wood | 53.28 | 9 | B: 48.29 (+4.99s | 9.4%) | Dart Swimming | 10/28/2023 | SCSC Vs DART Dual Meet | ||
| 2061 | Eli Nagle | 53.29 | 9 | B: 48.29 (+5.00s | 9.4%) | McMinnville Swim Club | 11/07/2025 | 2025 McSwimville Invitational | ||
| 2062 | Eason Lee | 53.29 | 9 | B: 48.29 (+5.00s | 9.4%) | Issaquah Swim Team | 11/15/2025 | 2025 PN IST November Invitational | ||
| 2063 | Eli Baxter | 53.31 | 7 | B: 48.29 (+5.02s | 9.4%) | Island Aquatics | 01/10/2026 | NEW YEAR S MAGSA SCY Meet | ||
| 2064 | Mason Levay | 53.31 | 9 | B: 48.29 (+5.02s | 9.4%) | Clovis Swim Club | 11/23/2024 | 2024 FDST ABC Meet Dr Dowain Wright Memorial | ||
| 2065 | Eric Kuang | 53.32 | 9 | B: 48.29 (+5.03s | 9.4%) | Pacific Dragons Swim Team | 10/18/2025 | 2025 PN VAST Fall Classic | ||
| 2066 | Cole Smith | 53.35 | 10 | B: 48.29 (+5.06s | 9.5%) | Voltage Aquatics | 07/12/2025 | 2025 Mashed Potato Dash | ||
| 2067 | Dexter Gratton | 53.35 | 10 | B: 48.29 (+5.06s | 9.5%) | SwimTLC-Parker Phenomena Swim | 04/11/2026 | 2026 CO Falfins Summer Series #1 | ||
| 2068 | Joshua Chun | 53.36 | 10 | B: 48.29 (+5.07s | 9.5%) | Seattle Metropolitan Aquatic C | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | ||
| 2069 | Pi Cheng | 53.37 | 10 | B: 48.29 (+5.08s | 9.5%) | Los Altos Mountain View Aquati | 03/28/2026 | LAMV C B A+ Meet | ||
| 2070 | Parker Elgin | 53.40 | 9 | B: 48.29 (+5.11s | 9.6%) | Aloha Aquatics Association | 11/09/2025 | OSL A+ SCY Meet | ||
| 2071 | Emery Xie | 53.41 | 9 | B: 48.29 (+5.12s | 9.6%) | Wave Aquatics | 08/01/2026 | 2026 PN WAVE Summer Pentathlon Invite Appr | ||
| 2072 | Reid Rector | 53.41 | 8 | B: 48.29 (+5.12s | 9.6%) | Falfins Swimming | 03/14/2026 | 2026 CO Zone 5 Championships | ||
| 2073 | Jeremy Liu | 53.42 | 10 | B: 48.29 (+5.13s | 9.6%) | Cascadia Swimming | 12/12/2025 | 2025 OR TTSC Holiday Invitational Meet | ||
| 2074 | Jaxon Smiley | 53.44 | 7 | B: 48.29 (+5.15s | 9.6%) | Spokane Waves Aquatic Team | 11/21/2025 | 2025 Adam England Memorial Fall Splash | ||
| 2075 | Clark York | 53.46 | 10 | B: 48.29 (+5.17s | 9.7%) | Life Time Oregon Swim Team | 01/03/2025 | 2025 CST Shark Chase Invitational | ||
| 2076 | Callum Willis | 53.47 | 9 | B: 48.29 (+5.18s | 9.7%) | Olympic Cascade Aquatics | 01/25/2025 | 2025 PN PDST Winter Invitational | ||
| 2077 | Alexander Zhang | 53.48 | 10 | B: 48.29 (+5.19s | 9.7%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | ||
| 2078 | Yuvaan Vennela | 53.48 | 8 | B: 48.29 (+5.19s | 9.7%) | Storm Aquatics Swim Team | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | ||
| 2079 | Harrison Tanner | 53.48 | 10 | B: 48.29 (+5.19s | 9.7%) | North Coast Aquatics | 11/02/2025 | 2025 SI SEA Rising Stars Series Meet 1 | ||
| 2080 | Ping Yang | 53.49 | 10 | B: 48.29 (+5.20s | 9.7%) | Wave Aquatics | 03/15/2025 | 2025 PN MMSC Marlins Madness | ||
| 2081 | Lucas Chen | 53.49 | 9 | B: 48.29 (+5.20s | 9.7%) | Vacaville Swim Club | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | ||
| 2082 | Asher Winn | 53.50 | 7 | B: 48.29 (+5.21s | 9.7%) | Cali Piranha Swim Team | 02/21/2026 | 2026 SI JBST Age Group Champs Max | ||
| 2083 | Kai Toyama | 53.50 | 10 | B: 48.29 (+5.21s | 9.7%) | Maui Dolphins Swim Club | 01/10/2026 | NEW YEAR S MAGSA SCY Meet | ||
| 2084 | Theodore Storum | 53.51 | 9 | B: 48.29 (+5.22s | 9.8%) | Sebastopol Sea Serpents | 12/06/2025 | FeSSStive FroSSSt CBA+ 2025 | ||
| 2085 | Oliver Sarrow | 53.53 | 5 | B: 48.29 (+5.24s | 9.8%) | Napa Valley Swim Team | 11/15/2025 | NVST Swimming Into Fall 2025 | ||
| 2086 | Harvey Machado | 53.53 | 10 | B: 48.29 (+5.24s | 9.8%) | Valley Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | ||
| 2087 | Oscar Frey | 53.54 | 10 | B: 48.29 (+5.25s | 9.8%) | Sawtooth Aquatic Club | 10/11/2025 | 2025 Koudelka Memorial | ||
| 2088 | Van Schuster | 53.54 | 10 | B: 48.29 (+5.25s | 9.8%) | Swim Dogs | 01/03/2026 | 2026 CO MACS Winter Invitationak | ||
| 2089 | Everett Regula | 53.54 | 10 | B: 48.29 (+5.25s | 9.8%) | Aulea Swim Club | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | ||
| 2090 | Samuel Brown | 53.57 | 9 | B: 48.29 (+5.28s | 9.9%) | Seattle Metropolitan Aquatic C | 10/20/2024 | 2024 PN VAST Fall Sprints | ||
| 2091 | Silas Mason | 53.57 | 8 | B: 48.29 (+5.28s | 9.9%) | Cortez Water Dragons | 06/27/2026 | 2026 CO Montrose Marlins Summer Open | ||
| 2092 | Declan Carter | 53.58 | 9 | B: 48.29 (+5.29s | 9.9%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | ||
| 2093 | Von Bruner | 53.58 | 10 | B: 48.29 (+5.29s | 9.9%) | Wind N Sea Swim Team | 08/08/2026 | 2026 SI WIND All Ages NTS Wrap Up Meet | ||
| 2094 | Lucas Weng | 53.58 | 10 | B: 48.29 (+5.29s | 9.9%) | Rancho Family YMCA | 08/08/2026 | 2026 SI WIND All Ages NTS Wrap Up Meet | ||
| 2095 | Cooper Choury | 53.60 | 10 | B: 48.29 (+5.31s | 9.9%) | SlipStream Aquatics | 02/01/2026 | 2026 CO FORM February Freeze | ||
| 2096 | Mattias Portillo | 53.61 | 10 | B: 48.29 (+5.32s | 9.9%) | Utah Valley Aquatics | 09/24/2025 | 2025 UVRays September Intrasquad | ||
| 2097 | Lucas Wang | 53.61 | 10 | B: 48.29 (+5.32s | 9.9%) | DeAnza Cupertino Aquatics | 07/25/2026 | 2026 DACA SC CBA Meet | ||
| 2098 | Logan Arndt | 53.62 | 8 | B: 48.29 (+5.33s | 9.9%) | Castle Rock Swimming | 02/14/2026 | 2026 CO ACES Winter Open | ||
| 2099 | Ian Strachan | 53.63 | 9 | B: 48.29 (+5.34s | 10.0%) | Issaquah Swim Team | 01/24/2026 | 2026 PN IST January Invitational Approved | ||
| 2100 | Yao Yang | 53.63 | 8 | B: 48.29 (+5.34s | 10.0%) | DeAnza Cupertino Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | ||
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.