Western Zone Zone Boys 10 & under - 50 M Free
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1051 | Amet Cypert | 44.10 | 7 | B: 43.89 (+0.21s | 0.5%) | South San Francisco Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | ||
| 1052 | Duorong Yu | 44.10 | 10 | B: 43.89 (+0.21s | 0.5%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | ||
| 1053 | BaoSheng Wang | 44.11 | 9 | B: 43.89 (+0.22s | 0.5%) | San Ramon Valley Aquatics | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | ||
| 1054 | Sammy Baker | 44.11 | 10 | B: 43.89 (+0.22s | 0.5%) | Valley Aquatics | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | ||
| 1055 | Jameson McCall | 44.12 | 10 | B: 43.89 (+0.23s | 0.5%) | COSA Swimming | 07/11/2026 | 2026 CO SOCO LC Championship Last Chance | ||
| 1056 | Daniel Wang | 44.12 | 10 | B: 43.89 (+0.23s | 0.5%) | Seattle Metropolitan Aquatic C | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | ||
| 1057 | Yash Bharambe | 44.12 | 10 | B: 43.89 (+0.23s | 0.5%) | DeAnza Cupertino Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 1058 | Sourish Annam | 44.15 | 10 | B: 43.89 (+0.26s | 0.6%) | Wave Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | ||
| 1059 | Henry Krovitz | 44.18 | 10 | B: 43.89 (+0.29s | 0.7%) | Univ. of Denver Hilltoppers | 05/17/2025 | 2025 CO Hilltopper Invite | ||
| 1060 | Joshua Niswonger | 44.20 | 10 | B: 43.89 (+0.31s | 0.7%) | Palo Alto Stanford Aquatics | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 1061 | Ethan Lyu | 44.21 | 9 | B: 43.89 (+0.32s | 0.7%) | Tri-city Channel Cats | 07/24/2026 | 2026 IES LC CHAMPIONSHIPS | ||
| 1062 | Zihan Zhao | 44.21 | 9 | B: 43.89 (+0.32s | 0.7%) | Pacific Dragons Swim Team | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | ||
| 1063 | Milo Gordon | 44.22 | 8 | B: 43.89 (+0.33s | 0.7%) | Flatiron Athletic Club | 07/11/2025 | 2025 CO NJ Firecracker Invite | ||
| 1064 | Edward Chiu | 44.23 | 9 | B: 43.89 (+0.34s | 0.8%) | Front Range Barracudas | 05/29/2026 | 2026 CO Barracuda Summer Sizzler Invite | ||
| 1065 | Anthony Piazza | 44.25 | 9 | B: 43.89 (+0.36s | 0.8%) | Otter Swim Club | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 1066 | Harvey Machado | 44.28 | 10 | B: 43.89 (+0.39s | 0.9%) | Valley Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | ||
| 1067 | Everest Elkins | 44.30 | 9 | B: 43.89 (+0.41s | 0.9%) | Gallatin Valley Y Brookies | 07/10/2026 | 2026 MT HLST Last Chance Invitational | ||
| 1068 | Denis Tumelia | 44.32 | 9 | B: 43.89 (+0.43s | 1.0%) | Mission Aurora Colorado Swimmi | 05/15/2026 | 2026 CO ACES Spring Invite | ||
| 1069 | Darren Zhao | 44.33 | 10 | B: 43.89 (+0.44s | 1.0%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | ||
| 1070 | Robert Karpenko | 44.35 | 8 | B: 43.89 (+0.46s | 1.0%) | University Place Aquatic Club | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | ||
| 1071 | Finn Brady | 44.36 | 9 | B: 43.89 (+0.47s | 1.1%) | Academy Swim Club | 06/06/2026 | BIG ISLAND SWIMMING @ KSH | ||
| 1072 | Oliver Brown | 44.36 | 7 | B: 43.89 (+0.47s | 1.1%) | Lewis Clark Neptune Swim Team | 07/24/2026 | 2026 IES LC CHAMPIONSHIPS | ||
| 1073 | Sebastien Prigent-Soong | 44.37 | 10 | B: 43.89 (+0.48s | 1.1%) | Warrior Aquatic Club | 06/27/2026 | BIG ISLAND SWIMMING @ KSH | ||
| 1074 | Matthew Klyzhko | 44.37 | 8 | B: 43.89 (+0.48s | 1.1%) | California Capital Aquatics | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | ||
| 1075 | Calder McPheeters | 44.38 | 10 | B: 43.89 (+0.49s | 1.1%) | California Capital Aquatics | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | ||
| 1076 | Theodore Sbarbaro | 44.40 | 10 | B: 43.89 (+0.51s | 1.1%) | Pikes Peak Athletics | 07/11/2026 | 2026 CO SOCO LC Championship Last Chance | ||
| 1077 | Kai Chen | 44.41 | 10 | B: 43.89 (+0.52s | 1.2%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | ||
| 1078 | Reece McCormick | 44.43 | 9 | B: 43.89 (+0.54s | 1.2%) | Harbor Aquatics Club | 05/28/2026 | 2026 IE VS Apple Capital | ||
| 1079 | Gavin Liu | 44.44 | 9 | B: 43.89 (+0.55s | 1.2%) | Wave Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | ||
| 1080 | Jeremy Pei | 44.45 | 10 | B: 43.89 (+0.56s | 1.3%) | Columbia River Swim Team | 05/22/2026 | 2026 THSC Memorial Weekend Meet | ||
| 1081 | Daniel Dunbabin | 44.46 | 10 | B: 43.89 (+0.57s | 1.3%) | Olympic Cascade Aquatics | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | ||
| 1082 | Conor Gardin | 44.49 | 9 | B: 43.89 (+0.60s | 1.3%) | California Capital Aquatics | 06/20/2025 | Reno Aquatic Club Gamble | ||
| 1083 | Jeremiah Yoo | 44.49 | 8 | B: 43.89 (+0.60s | 1.3%) | Bellevue Club Swim Team | 05/28/2026 | 2026 IE VS Apple Capital | ||
| 1084 | Arwin Sandhu | 44.49 | 9 | B: 43.89 (+0.60s | 1.3%) | Alto Swim Club | 06/12/2026 | BAC Long Course | ||
| 1085 | Srii Bezawada | 44.54 | 10 | B: 43.89 (+0.65s | 1.5%) | Front Range Barracudas | 07/11/2025 | 2025 CO NCS Gold District Championships | ||
| 1086 | Jaden McLaughlin | 44.54 | 9 | B: 43.89 (+0.65s | 1.5%) | Killer Whales Swim Club | 06/06/2025 | 2025 CST Summer Invitational | ||
| 1087 | Sanav Nirmal | 44.54 | 10 | B: 43.89 (+0.65s | 1.5%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | ||
| 1088 | Alexander Ivanov | 44.56 | 10 | B: 43.89 (+0.67s | 1.5%) | Seattle Metropolitan Aquatic C | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | ||
| 1089 | Daniel Gerasimov | 44.57 | 8 | B: 43.89 (+0.68s | 1.5%) | Los Gatos Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | ||
| 1090 | Jack McRae | 44.59 | 8 | B: 43.89 (+0.70s | 1.6%) | Univ. of Denver Hilltoppers | 04/24/2026 | 2026 CO Arena Catch Me If You Can | ||
| 1091 | MacClellan Menzies | 44.60 | 9 | B: 43.89 (+0.71s | 1.6%) | Mighty Marlins Swim Club | 05/28/2026 | 2026 IE VS Apple Capital | ||
| 1092 | Everett Merrill | 44.61 | 8 | B: 43.89 (+0.72s | 1.6%) | Lake Oswego Swim Club | 05/02/2025 | 2025 THSC Spring Invitational | ||
| 1093 | Yunfan Zhang | 44.62 | 8 | B: 43.89 (+0.73s | 1.6%) | Sunnyvale Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | ||
| 1094 | Marcus England | 44.65 | 10 | B: 43.89 (+0.76s | 1.7%) | Sawtooth Aquatic Club | 05/16/2025 | 2025 Spring Fling LC Invitational | ||
| 1095 | Enzo Amorim | 44.65 | 9 | B: 43.89 (+0.76s | 1.7%) | Portneuf Valley Swim Team | 07/19/2024 | 2024 SRS Summer Championships | ||
| 1096 | Peter Duffin | 44.66 | 9 | B: 43.89 (+0.77s | 1.7%) | Tri-city Channel Cats | 07/25/2025 | 2025 IES LC CHAMPIONSHIPS | ||
| 1097 | Dutch Pyburn | 44.66 | 10 | B: 43.89 (+0.77s | 1.7%) | Albany Aquatic Association | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | ||
| 1098 | Wyatt Anderson | 44.67 | 9 | B: 43.89 (+0.78s | 1.7%) | Jcc Jellyfish Club | 06/21/2024 | Water Dragon Open | ||
| 1099 | Beckett Neeley | 44.67 | 10 | B: 43.89 (+0.78s | 1.7%) | Front Range Barracudas | 05/23/2026 | 2026 CO CUDA Vs AQUA Dual | ||
| 1100 | Andrew Chen | 44.67 | 8 | B: 43.89 (+0.78s | 1.7%) | Seattle Metropolitan Aquatic C | 05/28/2026 | 2026 IE VS Apple Capital | ||
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.