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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1101 | Camden Sparenborg | 46.17 | 8 | B: 43.89 (+2.28s | 4.9%) | Utah Valley Aquatics | 06/13/2025 | 2025 SDAT Summer Spectacular | ||
| 1102 | Ethan Shiflet | 46.17 | 9 | B: 43.89 (+2.28s | 4.9%) | Montclair Swim Team | 06/13/2026 | Orinda PC LC AG C B BB+ | ||
| 1103 | Felix Jackson | 46.17 | 9 | B: 43.89 (+2.28s | 4.9%) | Tualatin Hills Swim Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | ||
| 1104 | Eastok Ilic | 46.18 | 10 | B: 43.89 (+2.29s | 5.0%) | Bulldog Swim Club | 05/02/2026 | Alto Spring Jam CBA | ||
| 1105 | Peter Lemker | 46.19 | 9 | B: 43.89 (+2.30s | 5.0%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | ||
| 1106 | Noah Dwinell | 46.19 | 9 | B: 43.89 (+2.30s | 5.0%) | Seattle Metropolitan Aquatic C | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | ||
| 1107 | Luca Balzarini | 46.20 | 9 | B: 43.89 (+2.31s | 5.0%) | Valley Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | ||
| 1108 | Asher Winn | 46.21 | 8 | B: 43.89 (+2.32s | 5.0%) | Cali Piranha Swim Team | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | ||
| 1109 | Marko Tamburi | 46.22 | 10 | B: 43.89 (+2.33s | 5.0%) | Star Aquatics | 04/17/2026 | 2026 STAR April Friday Night At The Races | ||
| 1110 | Victor Barbosa | 46.25 | 9 | B: 43.89 (+2.36s | 5.1%) | Portland Aquatic Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | ||
| 1111 | Aaron Yao | 46.25 | 10 | B: 43.89 (+2.36s | 5.1%) | Los Altos Mountain View Aquati | 05/16/2026 | 2026 DACA LC CBA+ | ||
| 1112 | Reid Mitchell | 46.27 | 10 | B: 43.89 (+2.38s | 5.1%) | Greenwood Tiger Sharks | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | ||
| 1113 | Gavin Tong | 46.27 | 8 | B: 43.89 (+2.38s | 5.1%) | Blue Dolphin Swim Team | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | ||
| 1114 | Timothy Wang | 46.30 | 10 | B: 43.89 (+2.41s | 5.2%) | Cascadia Swimming | 06/26/2025 | 2025 Howard Jones Open | ||
| 1115 | Henry Armstrong Gerber | 46.30 | 10 | B: 43.89 (+2.41s | 5.2%) | Hilo Aquatic Club | 06/27/2026 | BIG ISLAND SWIMMING @ KSH | ||
| 1116 | Alex Yau | 46.31 | 10 | B: 43.89 (+2.42s | 5.2%) | Pacific Dragons Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | ||
| 1117 | Nathan Neme-O'Connell | 46.32 | 9 | B: 43.89 (+2.43s | 5.2%) | Napa Valley Swim Team | 06/27/2026 | NVST Summer Plunge 2026 | ||
| 1118 | Diego Pisoni | 46.32 | 9 | B: 43.89 (+2.43s | 5.2%) | Neptune Swimming | 06/12/2026 | Neptune Swimming June LC Meet | ||
| 1119 | Tang Li | 46.34 | 10 | B: 43.89 (+2.45s | 5.3%) | Denver Swim Academy | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | ||
| 1120 | Andre Vlaev | 46.35 | 9 | B: 43.89 (+2.46s | 5.3%) | Palo Alto Stanford Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 1121 | David Portnoy | 46.36 | 10 | B: 43.89 (+2.47s | 5.3%) | DeAnza Cupertino Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 1122 | Rhett Berdzar | 46.37 | 9 | B: 43.89 (+2.48s | 5.3%) | Cortez Water Dragons | 05/29/2026 | 2026 CO Cortez Summer Open | ||
| 1123 | Colt Rodeheaver | 46.39 | 10 | B: 43.89 (+2.50s | 5.4%) | Seattle Metropolitan Aquatic C | 05/29/2025 | 2025 IE VS Apple Capital | ||
| 1124 | Matvey Kholodilov | 46.40 | 8 | B: 43.89 (+2.51s | 5.4%) | Bure-Aqua Academy | 04/24/2026 | 2026 CO Arena Catch Me If You Can | ||
| 1125 | William Korell | 46.40 | 10 | B: 43.89 (+2.51s | 5.4%) | Castle Rock Swimming | 07/10/2026 | 2026 CO ACES DSA Summer Blast | ||
| 1126 | Nicolas Chapman | 46.42 | 10 | B: 43.89 (+2.53s | 5.5%) | Park City Swimming | 06/27/2025 | 2nd Annual Water Dragon Open | ||
| 1127 | John Simmons | 46.42 | 9 | B: 43.89 (+2.53s | 5.5%) | Rogue Rapids | 06/26/2026 | 2026 TEAM Summer Invitational | ||
| 1128 | Miles Vuong | 46.45 | 10 | B: 43.89 (+2.56s | 5.5%) | SOL Swim Team | 06/06/2026 | 2026 SI SOL Splash And Dash Max Jun 6 7 | ||
| 1129 | Shayne Zhang | 46.46 | 9 | B: 43.89 (+2.57s | 5.5%) | Bellevue Club Swim Team | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | ||
| 1130 | Sam Zhang | 46.46 | 9 | B: 43.89 (+2.57s | 5.5%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | ||
| 1131 | Calvin Bray | 46.48 | 9 | B: 43.89 (+2.59s | 5.6%) | Unattached | 05/22/2026 | 2026 Intermountain Classic Long Course Meet | ||
| 1132 | Matthew Huizingh | 46.49 | 10 | B: 43.89 (+2.60s | 5.6%) | Northern Colorado Swim Club | 06/27/2026 | 2026 CO Greeley Stampede | ||
| 1133 | Tucker Close | 46.50 | 9 | B: 43.89 (+2.61s | 5.6%) | La Grande Swim Club | 05/29/2026 | 2026 TRI CITY INVITATIONAL | ||
| 1134 | Alex Winebrand | 46.50 | 8 | B: 43.89 (+2.61s | 5.6%) | Pacific Swim | 06/06/2026 | 2026 SI SOL Splash And Dash Max Jun 6 7 | ||
| 1135 | Aaron Lee | 46.53 | 10 | B: 43.89 (+2.64s | 5.7%) | Alto Swim Club | 07/25/2026 | Alto Last Splash | ||
| 1136 | Chase Yang | 46.53 | 9 | B: 43.89 (+2.64s | 5.7%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | ||
| 1137 | SaiShyam Nagarajan | 46.54 | 9 | B: 43.89 (+2.65s | 5.7%) | Issaquah Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | ||
| 1138 | Andrew Chen | 46.54 | 7 | B: 43.89 (+2.65s | 5.7%) | Thunder Coast Aquatics | 06/12/2026 | Neptune Swimming June LC Meet | ||
| 1139 | Mayson Huang | 46.54 | 9 | B: 43.89 (+2.65s | 5.7%) | Issaquah Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | ||
| 1140 | Albert Shifrin | 46.55 | 10 | B: 43.89 (+2.66s | 5.7%) | Mjcc Stingrays | 08/01/2026 | 2026 GACC End Of Season | ||
| 1141 | Jameson Wallace | 46.56 | 8 | B: 43.89 (+2.67s | 5.7%) | Napa Valley Swim Team | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 1142 | Isaac Welmerink | 46.57 | 10 | B: 43.89 (+2.68s | 5.8%) | Lakeridge Swim Team | 05/22/2026 | 2026 Intermountain Classic Long Course Meet | ||
| 1143 | Jasper Wang | 46.59 | 10 | B: 43.89 (+2.70s | 5.8%) | Kamehameha Swim Club | 05/23/2026 | OSL A+ LCM Meet | ||
| 1144 | Kieran McLennan | 46.60 | 9 | B: 43.89 (+2.71s | 5.8%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | ||
| 1145 | Lucas Liu | 46.60 | 9 | B: 43.89 (+2.71s | 5.8%) | Bellevue Club Swim Team | 05/28/2026 | 2026 IE VS Apple Capital | ||
| 1146 | Benjamin Fikhman | 46.61 | 8 | B: 43.89 (+2.72s | 5.8%) | Pacific Swim | 04/24/2026 | 2026 SI PS ABB Meet Group A | ||
| 1147 | Huck Ling | 46.61 | 8 | B: 43.89 (+2.72s | 5.8%) | The Olympic Club | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 1148 | Janav Sompalli | 46.62 | 7 | B: 43.89 (+2.73s | 5.9%) | Gilroy Gators Swim Team | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | ||
| 1149 | Jayden Yang | 46.62 | 10 | B: 43.89 (+2.73s | 5.9%) | Pacific Dragons Swim Team | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | ||
| 1150 | Ethan Zhang | 46.62 | 10 | B: 43.89 (+2.73s | 5.9%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | ||
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.