Western Zone Zone Boys 10 & under - 50 Y Breast
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 | Taft Smith | 51.62 | 9 | B Min | BB: 47.69 (+3.93s | 7.6%) | Skyline Swim Club | 10/25/2024 | Witchy Waters | |
| 1102 | Marlon Chinchilla | 51.63 | 9 | B Min | BB: 47.69 (+3.94s | 7.6%) | Piranha Swimming | 04/18/2026 | RP SWIM CLUB (PRNA) SPRING SWIM FEST! | |
| 1103 | Felix Franson | 51.63 | 9 | B Min | BB: 47.69 (+3.94s | 7.6%) | Pikes Peak Athletics | 04/11/2026 | 2026 CO PPA Sprint Penthathlon | |
| 1104 | Liam Carruth | 51.63 | 10 | B Min | BB: 47.69 (+3.94s | 7.6%) | Form Swim Team | 10/24/2026 | 2026 CO LONG Great Pumpkin Pentathlon | |
| 1105 | Chance Tan Nelson | 51.66 | 9 | B Min | BB: 47.69 (+3.97s | 7.7%) | Olympic Cascade Aquatics | 02/27/2026 | 2026 PN February AGI, Div 3 Approved | |
| 1106 | Chance Tan Nelson | 51.66 | 10 | B Min | BB: 47.69 (+3.97s | 7.7%) | West Coast Aquatics | 02/27/2026 | 2026 PN Feb Age Group Invite,Div 3 Approved | |
| 1107 | Clayton Du | 51.66 | 10 | B Min | BB: 47.69 (+3.97s | 7.7%) | Palo Alto Stanford Aquatics | 10/24/2026 | SUNN Fall Classic 2026 | |
| 1108 | William Zhao | 51.67 | 10 | B Min | BB: 47.69 (+3.98s | 7.7%) | Palo Alto Stanford Aquatics | 10/24/2026 | SUNN Fall Classic 2026 | |
| 1109 | Yash Bharambe | 51.67 | 10 | B Min | BB: 47.69 (+3.98s | 7.7%) | Sunnyvale Swim Club | 09/27/2026 | SUNN Blue And Gold Intrasquad Meet | |
| 1110 | Liam Chung | 51.69 | 9 | B Min | BB: 47.69 (+4.00s | 7.7%) | Olympic Cascade Aquatics | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 1111 | Finn Kirst | 51.72 | 10 | B Min | BB: 47.69 (+4.03s | 7.8%) | Wave Aquatics | 08/01/2026 | 2026 PN WAVE Summer Pentathlon Invite Appr | |
| 1112 | Cooper Ly | 51.73 | 10 | B Min | BB: 47.69 (+4.04s | 7.8%) | Excel Aquatics | 09/25/2026 | 2026 Excel Aquatics Fall Fest Invite | |
| 1113 | Calder Pettersen | 51.73 | 9 | B Min | BB: 47.69 (+4.04s | 7.8%) | Cascade Swim Club | 11/16/2025 | 2025 PN CSC Distance Plus Intrasquad | |
| 1114 | Michael Oneil | 51.75 | 10 | B Min | BB: 47.69 (+4.06s | 7.8%) | Highlands Ranch Aquatics | 02/20/2026 | 2026 CO PPA February Frenzy Last Chance Meet | |
| 1115 | Preston Bao | 51.76 | 10 | B Min | BB: 47.69 (+4.07s | 7.9%) | Rancho San Dieguito | 10/11/2025 | 2025 SI RSD All Ages B C Meet | |
| 1116 | Adam Mitzel | 51.76 | 9 | B Min | BB: 47.69 (+4.07s | 7.9%) | Redmond Aquatic Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 1117 | Holt Jorgensen | 51.76 | 9 | B Min | BB: 47.69 (+4.07s | 7.9%) | Dart Swimming | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 1118 | Ryan Hu | 51.77 | 9 | B Min | BB: 47.69 (+4.08s | 7.9%) | Pacific Dragons Swim Team | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 1119 | Andrew Chen | 51.77 | 7 | B Min | BB: 47.69 (+4.08s | 7.9%) | Thunder Coast Aquatics | 10/03/2026 | Neptune Swimming Fall Classic | |
| 1120 | Kingston Walls | 51.78 | 9 | B Min | BB: 47.69 (+4.09s | 7.9%) | Terrapins Swim Team | 11/15/2024 | Pacific Swimming SCY B BB+ Last Chance Meet | |
| 1121 | Vaughn Jamison | 51.79 | 10 | B Min | BB: 47.69 (+4.10s | 7.9%) | Aspire Aquatics of Colorado | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1122 | Samuel Kinsman | 51.81 | 9 | B Min | BB: 47.69 (+4.12s | 8.0%) | North Whidbey Aquatic Club | 10/17/2026 | 2026 PN MMSC Fall Invite Approved | |
| 1123 | Bo MacLeod-Roemer | 51.82 | 7 | B Min | BB: 47.69 (+4.13s | 8.0%) | Life Time Northern California | 09/13/2026 | Hot Dog Meet, Sept 2026 | |
| 1124 | Luca Moyes | 51.83 | 9 | B Min | BB: 47.69 (+4.14s | 8.0%) | Lake Oswego Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 1125 | Lucas Wu | 51.83 | 10 | B Min | BB: 47.69 (+4.14s | 8.0%) | Coronado Swim -team Elite | 04/11/2026 | SI 2026 RSD All Ages BC Meet | |
| 1126 | Kingston Lao | 51.84 | 9 | B Min | BB: 47.69 (+4.15s | 8.0%) | Daly City Dolphins | 09/18/2026 | PSL Pacifica Season Launch CBA+ Meet | |
| 1127 | Alexander Stepania | 51.85 | 9 | B Min | BB: 47.69 (+4.16s | 8.0%) | Bellevue Club Swim Team | 11/07/2025 | 2025 THSC November Open | |
| 1128 | Nicholas Stefan | 51.85 | 10 | B Min | BB: 47.69 (+4.16s | 8.0%) | Teamgoldusa | 10/17/2026 | Pumpkin Meet, Oct 2026 | |
| 1129 | Connor Mattoon | 51.85 | 7 | B Min | BB: 47.69 (+4.16s | 8.0%) | Kona Dolphins Swim Club | 10/24/2026 | BIG ISLAND SWIMMING @ HPA | |
| 1130 | Storm Houborg | 51.86 | 10 | B Min | BB: 47.69 (+4.17s | 8.0%) | San Ramon Valley Aquatics | 02/20/2026 | Pacific Swim SCY C B BB+ Meet Hosted By TERA | |
| 1131 | Khai Vo | 51.87 | 9 | B Min | BB: 47.69 (+4.18s | 8.1%) | Aspire Aquatics of Colorado | 09/27/2026 | 2026 CO Aspire Stanley Duck Invite | |
| 1132 | Timothy Wang | 51.88 | 10 | B Min | BB: 47.69 (+4.19s | 8.1%) | Cascadia Swimming | 01/23/2026 | 2026 TTSC Winter Qualifier | |
| 1133 | Mason Lam | 51.90 | 9 | B Min | BB: 47.69 (+4.21s | 8.1%) | Apex | 08/07/2026 | 2026 OR NST Seahorse Invitational | |
| 1134 | Bennett Peiffer | 51.90 | 10 | B Min | BB: 47.69 (+4.21s | 8.1%) | Pacific Piranha Swim Team | 09/26/2026 | 2026 PN PASC Riptide S Seasonal Open Apporve | |
| 1135 | Jordan Fuertes | 51.90 | 10 | B Min | BB: 47.69 (+4.21s | 8.1%) | Maui Dolphins Swim Club | 09/26/2026 | 2026 MAGSA SCY B 1 Swim Meet | |
| 1136 | Bodie Hendrickson | 51.91 | 10 | B Min | BB: 47.69 (+4.22s | 8.1%) | Hilltop Aquatic Swim Team | 09/17/2025 | 2025 UT HAST Sprint Meet | |
| 1137 | Erik Kurylenko | 51.92 | 9 | B Min | BB: 47.69 (+4.23s | 8.1%) | Foothills Swim Team | 10/10/2026 | 2026 CO FST Swim Pink | |
| 1138 | Luke Atanasov | 51.92 | 9 | B Min | BB: 47.69 (+4.23s | 8.1%) | Tualatin Hills Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 1139 | Cian Coyle | 51.93 | 9 | B Min | BB: 47.69 (+4.24s | 8.2%) | COSA Swimming | 10/09/2026 | 2026 CO Gian Luc Jordan Open | |
| 1140 | Justin Han | 51.94 | 10 | B Min | BB: 47.69 (+4.25s | 8.2%) | DeAnza Cupertino Aquatics | 10/03/2026 | 2026 De Anza Cupertino Aquatics SC CBA Meet | |
| 1141 | Evan Ubaldo | 51.95 | 10 | B Min | BB: 47.69 (+4.26s | 8.2%) | Olympic Cascade Aquatics | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 1142 | Miles Diaz | 51.95 | 9 | B Min | BB: 47.69 (+4.26s | 8.2%) | Unattached | 10/09/2026 | VJO S Sprint For The Golden Ticket 2026 C | |
| 1143 | Marko Tamburi | 51.96 | 10 | B Min | BB: 47.69 (+4.27s | 8.2%) | Star Aquatics | 12/12/2025 | Triad Tropic Invitational Copied | |
| 1144 | Elias Braginton | 51.97 | 8 | B Min | BB: 47.69 (+4.28s | 8.2%) | Lakeridge Swim Team | 10/16/2026 | 2026 KING OF THE HILL CHALLENGE | |
| 1145 | Jack Spaugy | 51.97 | 9 | B Min | BB: 47.69 (+4.28s | 8.2%) | Multnomah Athletic Club | 10/23/2026 | 2026 THSC Fall Invitational | |
| 1146 | Arthur Armstrong | 51.98 | 8 | B Min | BB: 47.69 (+4.29s | 8.3%) | Northern Nevada Aquatics | 10/16/2026 | 2026 KING OF THE HILL CHALLENGE | |
| 1147 | Hyrum Oswald | 51.99 | 9 | B Min | BB: 47.69 (+4.30s | 8.3%) | Unattached | 07/02/2025 | 2025 14 Under Intrasquad | |
| 1148 | Asher Gersick | 51.99 | 10 | B Min | BB: 47.69 (+4.30s | 8.3%) | Lamarlins Swim Team, Inc. | 07/31/2026 | 2026 CO Scottie Aschermann Memorial | |
| 1149 | Bastian Holsaeter | 51.99 | 9 | B Min | BB: 47.69 (+4.30s | 8.3%) | Kamehameha Swim Club | 10/24/2026 | 2026 HI 26th Annual Bill Smith Invitational | |
| 1150 | Marcus Wang | 52.00 | 10 | B Min | BB: 47.69 (+4.31s | 8.3%) | Pacific Dragons Swim Team | 02/07/2026 | 2026 PN IST Feb Winter Invitational 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.