Western Zone Zone Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 851 | Aaron Im | 1:03.41 | 9 | B: 1:00.89 (+2.52s | 4.0%) | West Coast Aquatics | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | ||
| 852 | Adam Kozhemiako | 1:03.46 | 8 | B: 1:00.89 (+2.57s | 4.0%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | ||
| 853 | Jeremiah Yoo | 1:03.46 | 8 | B: 1:00.89 (+2.57s | 4.0%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | ||
| 854 | Miles Tseung | 1:03.48 | 10 | B: 1:00.89 (+2.59s | 4.1%) | San Ramon Valley Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | ||
| 855 | Akahai Richardson | 1:03.49 | 7 | B: 1:00.89 (+2.60s | 4.1%) | Kamehameha Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | ||
| 856 | Logan Shen | 1:03.50 | 10 | B: 1:00.89 (+2.61s | 4.1%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | ||
| 857 | August Tran | 1:03.53 | 10 | B: 1:00.89 (+2.64s | 4.2%) | El Cerrito Gators | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | ||
| 858 | Lachlan Law | 1:03.56 | 9 | B: 1:00.89 (+2.67s | 4.2%) | Univ. of Denver Hilltoppers | 04/24/2026 | 2026 CO Arena Catch Me If You Can | ||
| 859 | Johnathan Fritz | 1:03.59 | 9 | B: 1:00.89 (+2.70s | 4.2%) | Boulder City Henderson Swim Te | 03/30/2025 | Sand Vs BCH LCM Dual 2025 | ||
| 860 | Teo Dickens | 1:03.63 | 9 | B: 1:00.89 (+2.74s | 4.3%) | Lake Oswego Swim Club | 04/25/2026 | GACC Spring Invitational | ||
| 861 | John Knudsen | 1:03.70 | 10 | B: 1:00.89 (+2.81s | 4.4%) | Puget Sound Swim Club | 06/20/2025 | 2025 IE VS Starlight Open | ||
| 862 | Nathaniel Seo | 1:03.70 | 9 | B: 1:00.89 (+2.81s | 4.4%) | Pro Swimming | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | ||
| 863 | Senge Laka | 1:03.80 | 9 | B: 1:00.89 (+2.91s | 4.6%) | Cascadia Swimming | 11/01/2025 | Oregon City Fall Open 2025 | ||
| 864 | Ryder Barnes | 1:03.83 | 10 | B: 1:00.89 (+2.94s | 4.6%) | Lewis Clark Neptune Swim Team | 05/15/2026 | 2026 Chris Engledow Memorial Meet | ||
| 865 | Daniel Nagaoka | 1:03.84 | 10 | B: 1:00.89 (+2.95s | 4.6%) | Quicksilver Swimming | 05/22/2024 | Zone 1S Micro Meet SJ1 (Host QSS) | ||
| 866 | Cian Coyle | 1:03.88 | 9 | B: 1:00.89 (+2.99s | 4.7%) | COSA Swimming | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | ||
| 867 | Jacob Chen | 1:03.90 | 9 | B: 1:00.89 (+3.01s | 4.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | ||
| 868 | Ryder McDermitt | 1:03.91 | 8 | B: 1:00.89 (+3.02s | 4.7%) | Flatiron Athletic Club | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | ||
| 869 | Mason Cao | 1:03.92 | 10 | B: 1:00.89 (+3.03s | 4.7%) | Quicksilver Swimming | 05/22/2024 | Zone 1S Micro Meet SJ1 (Host QSS) | ||
| 870 | Timothy Wang | 1:03.94 | 10 | B: 1:00.89 (+3.05s | 4.8%) | Cascadia Swimming | 06/26/2025 | 2025 Howard Jones Open | ||
| 871 | Sebastian Marshall | 1:03.96 | 9 | B: 1:00.89 (+3.07s | 4.8%) | Unattached | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | ||
| 872 | Alexander LeVering | 1:03.97 | 9 | B: 1:00.89 (+3.08s | 4.8%) | Utah Valley Aquatics | 05/29/2025 | 2025 UVRays Oviatt Open | ||
| 873 | Lucas Wang | 1:04.01 | 9 | B: 1:00.89 (+3.12s | 4.9%) | DeAnza Cupertino Aquatics | 06/06/2025 | 2025 DACA LC CBA+ Meet | ||
| 874 | Callum Grant | 1:04.01 | 10 | B: 1:00.89 (+3.12s | 4.9%) | Univ. of Denver Hilltoppers | 04/24/2026 | 2026 CO Arena Catch Me If You Can | ||
| 875 | Parker Lozes | 1:04.08 | 9 | B: 1:00.89 (+3.19s | 5.0%) | Colorado Stingrays Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | ||
| 876 | Keith Guo | 1:04.09 | 9 | B: 1:00.89 (+3.20s | 5.0%) | Pacific Dragons Swim Team | 06/14/2025 | 2025 IST June Invtational | ||
| 877 | Moses Wang | 1:04.13 | 10 | B: 1:00.89 (+3.24s | 5.1%) | Bainbridge Island Swim Club | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | ||
| 878 | Nehemiah Petros | 1:04.19 | 10 | B: 1:00.89 (+3.30s | 5.1%) | Legacy Aquatics | 11/01/2025 | Oregon City Fall Open 2025 | ||
| 879 | Logan Pho | 1:04.22 | 8 | B: 1:00.89 (+3.33s | 5.2%) | South San Francisco Aquatics | 05/02/2026 | Alto Spring Jam CBA | ||
| 880 | Weibo Gao | 1:04.25 | 10 | B: 1:00.89 (+3.36s | 5.2%) | Pacific Dragons Swim Team | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | ||
| 881 | Diego Pisoni | 1:04.30 | 9 | B: 1:00.89 (+3.41s | 5.3%) | Neptune Swimming | 05/17/2025 | Neptune Swimming May Long Course Meet | ||
| 882 | Linkon Malone | 1:04.31 | 9 | B: 1:00.89 (+3.42s | 5.3%) | Sawtooth Aquatic Club | 05/16/2025 | 2025 Spring Fling LC Invitational | ||
| 883 | Evan Kim | 1:04.37 | 10 | B: 1:00.89 (+3.48s | 5.4%) | Sunnyvale Swim Club | 06/06/2025 | 2025 DACA LC CBA+ Meet | ||
| 884 | Canon Antonich | 1:04.37 | 8 | B: 1:00.89 (+3.48s | 5.4%) | Lewis Clark Neptune Swim Team | 05/15/2026 | 2026 Chris Engledow Memorial Meet | ||
| 885 | James Tyrrell | 1:04.40 | 9 | B: 1:00.89 (+3.51s | 5.5%) | Capital City Athletics | 06/20/2025 | 2025 Falfins Long Course Open | ||
| 886 | Gavin Vong | 1:04.41 | 10 | B: 1:00.89 (+3.52s | 5.5%) | Chinook Aquatic Club | 05/29/2025 | 2025 IE VS Apple Capital | ||
| 887 | Vincent Schremer | 1:04.42 | 8 | B: 1:00.89 (+3.53s | 5.5%) | Life Time Oregon Swim Team | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | ||
| 888 | Theodore Johnson | 1:04.42 | 10 | B: 1:00.89 (+3.53s | 5.5%) | North Jeffco Swim Team | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | ||
| 889 | Zayne Grieshaber | 1:04.43 | 9 | B: 1:00.89 (+3.54s | 5.5%) | Spokane Waves Aquatic Team | 07/25/2025 | 2025 IES LC CHAMPIONSHIPS | ||
| 890 | Zayn Iman | 1:04.45 | 9 | B: 1:00.89 (+3.56s | 5.5%) | Cascade Swim Club | 09/20/2025 | 2025 PN CSC September Shakeout | ||
| 891 | Calvin Withrow | 1:04.47 | 9 | B: 1:00.89 (+3.58s | 5.6%) | North Coast Aquatics | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | ||
| 892 | Ayden Xiao | 1:04.52 | 8 | B: 1:00.89 (+3.63s | 5.6%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | ||
| 893 | Reyansh Kini | 1:04.52 | 10 | B: 1:00.89 (+3.63s | 5.6%) | San Ramon Valley Aquatics | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | ||
| 894 | Wayne Schrader | 1:04.53 | 8 | B: 1:00.89 (+3.64s | 5.6%) | Tri-city Channel Cats | 06/06/2025 | 2025 TRI CITY INVITATIONAL | ||
| 895 | Parth Karegar | 1:04.55 | 9 | B: 1:00.89 (+3.66s | 5.7%) | Fort Collins Area Swim Team | 07/11/2025 | 2025 CO NCS Gold District Championships | ||
| 896 | Tej Bennett | 1:04.56 | 10 | B: 1:00.89 (+3.67s | 5.7%) | Cascade Swim Club | 09/20/2025 | 2025 PN CSC September Shakeout | ||
| 897 | Erik Kurylenko | 1:04.59 | 9 | B: 1:00.89 (+3.70s | 5.7%) | Foothills Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | ||
| 898 | Noel Sea | 1:04.60 | 9 | B: 1:00.89 (+3.71s | 5.7%) | Tualatin Hills Swim Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | ||
| 899 | Henry Nelligan | 1:04.62 | 9 | B: 1:00.89 (+3.73s | 5.8%) | Sparks Piranhas Swim Team | 05/23/2025 | 2025 Intermountain Classic Long Course Meet | ||
| 900 | Jason Feng | 1:04.62 | 10 | B: 1:00.89 (+3.73s | 5.8%) | Boys & Girls Club of SF | 06/09/2023 | Burlingame Aquatic Club Long Course CBA | ||
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.