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 | |
|---|---|---|---|---|---|---|---|---|---|
| 901 | Jamie Russell | 51.33 | 9 | B Min | BB: 47.69 (+3.64s | 7.1%) | Santa Clara Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 902 | Benson Amspacher | 51.34 | 9 | B Min | BB: 47.69 (+3.65s | 7.1%) | King Aquatic Club | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 903 | Marcus England | 51.34 | 10 | B Min | BB: 47.69 (+3.65s | 7.1%) | Sawtooth Aquatic Club | 12/20/2025 | 2025 BY Candy Cane Invitational | |
| 904 | Jack Haverkost | 51.34 | 10 | B Min | BB: 47.69 (+3.65s | 7.1%) | Skyline Swim Club | 12/13/2025 | 2025 UTAH Winter Classic | |
| 905 | Edward Chiu | 51.35 | 9 | B Min | BB: 47.69 (+3.66s | 7.1%) | Front Range Barracudas | 07/09/2026 | 2026 CO NCS 10 U Summer Festival | |
| 906 | Ronan Kruse | 51.35 | 10 | B Min | BB: 47.69 (+3.66s | 7.1%) | South Bay Aquatics | 07/10/2026 | 2026 SI SBA All Ages Last Chance Meet | |
| 907 | Thomas Shackleton | 51.37 | 10 | B Min | BB: 47.69 (+3.68s | 7.2%) | North Coast Aquatics | 10/11/2025 | 2025 SI RSD All Ages B C Meet | |
| 908 | Arton Toloczko | 51.38 | 9 | B Min | BB: 47.69 (+3.69s | 7.2%) | Lake Oswego Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 909 | Charles Heffernan | 51.38 | 8 | B Min | BB: 47.69 (+3.69s | 7.2%) | Legacy Aquatics | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 910 | Logan McLaughlin | 51.38 | 9 | B Min | BB: 47.69 (+3.69s | 7.2%) | Patriot Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 911 | Joren Marble | 51.38 | 10 | B Min | BB: 47.69 (+3.69s | 7.2%) | Lebanon Swim Club | 04/25/2026 | 2026 BDST Hugh Genualdi Memorial Invitational | |
| 912 | Zachary Iannamico | 51.38 | 10 | B Min | BB: 47.69 (+3.69s | 7.2%) | Inland Coastal Aquatic Club | 04/11/2026 | 2026 SI FAST BC All Ages | |
| 913 | Arjun Raghavendran | 51.39 | 10 | B Min | BB: 47.69 (+3.70s | 7.2%) | California Dolphins Swim Team | 12/05/2025 | Pacific Swim SC C B BB+ Hosted By TERA | |
| 914 | Phoenix Brice | 51.40 | 10 | B Min | BB: 47.69 (+3.71s | 7.2%) | Star Aquatics | 11/15/2025 | 2025 John Dewey Invitational | |
| 915 | Rudra Bhardwaj | 51.41 | 9 | B Min | BB: 47.69 (+3.72s | 7.2%) | Alto Swim Club | 12/19/2025 | ALTO Candy Cane Classic | |
| 916 | Grant Coburn | 51.41 | 10 | B Min | BB: 47.69 (+3.72s | 7.2%) | Barracuda Aquatic Club | 11/14/2025 | November Meet 2025 | |
| 917 | Anders Cai | 51.42 | 10 | B Min | BB: 47.69 (+3.73s | 7.3%) | Mission Valley YMCA | 08/08/2026 | 2026 SI CAST All Ages August Wrap Up Meet C | |
| 918 | Elijah Huie | 51.42 | 7 | B Min | BB: 47.69 (+3.73s | 7.3%) | Alameda Gators | 03/28/2026 | Albany Armada Aquatics SC C B BB+ | |
| 919 | Colin Huang | 51.44 | 10 | B Min | BB: 47.69 (+3.75s | 7.3%) | Otter Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 920 | Cooper Casebolt | 51.45 | 10 | B Min | BB: 47.69 (+3.76s | 7.3%) | Life Time Colorado Swim Club | 04/25/2026 | 2026 CO COSA Spring SC Kick Off | |
| 921 | Samuel Diemert | 51.45 | 9 | B Min | BB: 47.69 (+3.76s | 7.3%) | Mission Aurora Colorado Swimmi | 02/13/2026 | 2026 CO Loveland Last Chance Sweetheart Meet | |
| 922 | Carter Trauth | 51.46 | 9 | B Min | BB: 47.69 (+3.77s | 7.3%) | SlipStream Aquatics | 03/06/2026 | 2026 CO 14 U Silver State | |
| 923 | Max Winebrand | 51.47 | 10 | B Min | BB: 47.69 (+3.78s | 7.3%) | Pacific Swim | 07/10/2026 | 2026 SI SBA All Ages Last Chance Meet | |
| 924 | Benson Gao | 51.48 | 9 | B Min | BB: 47.69 (+3.79s | 7.4%) | Santa Clara Swim Club | 10/25/2025 | GGST Spooktacular 2025 | |
| 925 | Daniel Wang | 51.48 | 9 | B Min | BB: 47.69 (+3.79s | 7.4%) | Unattached | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | |
| 926 | Liam Park | 51.49 | 9 | B Min | BB: 47.69 (+3.80s | 7.4%) | Punahou Aquatics Institute | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 927 | Alex Hirata | 51.49 | 10 | B Min | BB: 47.69 (+3.80s | 7.4%) | DeAnza Cupertino Aquatics | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 928 | Kanishk Mahesha | 51.50 | 10 | B Min | BB: 47.69 (+3.81s | 7.4%) | San Ramon Valley Aquatics | 07/25/2026 | Zone 2 Summer Championships | |
| 929 | Bennett Haselfeld | 51.52 | 10 | B Min | BB: 47.69 (+3.83s | 7.4%) | Issaquah Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 930 | Harvey Bollefer | 51.53 | 9 | B Min | BB: 47.69 (+3.84s | 7.5%) | Aces Swim Club | 02/14/2026 | 2026 CO ACES Winter Open | |
| 931 | Aiden Mao | 51.54 | 10 | B Min | BB: 47.69 (+3.85s | 7.5%) | Pacific Dragons Swim Team | 03/07/2026 | 2026 PDST Mar Pentathlon Last Chance Approved | |
| 932 | Bolden Rapuzzi | 51.54 | 9 | B Min | BB: 47.69 (+3.85s | 7.5%) | Highlands Ranch Aquatics | 02/20/2026 | 2026 CO PPA February Frenzy Last Chance Meet | |
| 933 | Stetson Webb | 51.56 | 10 | B Min | BB: 47.69 (+3.87s | 7.5%) | Sebastopol Sea Serpents | 04/18/2026 | RP SWIM CLUB (PRNA) SPRING SWIM FEST! | |
| 934 | Patrick Wang | 51.57 | 8 | B Min | BB: 47.69 (+3.88s | 7.5%) | Milpitas Aquatic Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 935 | Easton Greger | 51.57 | 8 | B Min | BB: 47.69 (+3.88s | 7.5%) | Central Coast Swim Club | 08/07/2026 | Big Kahuna 2026 | |
| 936 | Eero Tulley | 51.58 | 10 | B Min | BB: 47.69 (+3.89s | 7.5%) | Swim Kauai Aquatics | 04/11/2026 | SKA Home Meet 41126 | |
| 937 | Marcus Chui | 51.59 | 9 | B Min | BB: 47.69 (+3.90s | 7.6%) | South San Francisco Aquatics | 03/28/2026 | PSL March CBA+ | |
| 938 | Henrik Thomas | 51.59 | 9 | B Min | BB: 47.69 (+3.90s | 7.6%) | North Jeffco Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 939 | Christos Salis | 51.60 | 10 | B Min | BB: 47.69 (+3.91s | 7.6%) | Highland Dolphins Aquatic Club | 03/28/2026 | PSL March CBA+ | |
| 940 | Lawrence Lan | 51.60 | 9 | B Min | BB: 47.69 (+3.91s | 7.6%) | Alto Swim Club | 12/19/2025 | ALTO Candy Cane Classic | |
| 941 | James King | 51.60 | 9 | B Min | BB: 47.69 (+3.91s | 7.6%) | The Olympic Club | 01/17/2026 | PC PRNA Final Splash To The Championship CBA+ | |
| 942 | Atharv Tiruke | 51.61 | 9 | B Min | BB: 47.69 (+3.92s | 7.6%) | Sunnyvale Swim Club | 10/25/2025 | 2025 SUNN Fall Classic | |
| 943 | Vi Nguyen | 51.61 | 10 | B Min | BB: 47.69 (+3.92s | 7.6%) | Mount Hood Aquatics | 08/07/2026 | 2026 OR NST Seahorse Invitational | |
| 944 | Taft Smith | 51.62 | 9 | B Min | BB: 47.69 (+3.93s | 7.6%) | Skyline Swim Club | 10/25/2024 | Witchy Waters | |
| 945 | Owen Richards | 51.63 | 9 | B Min | BB: 47.69 (+3.94s | 7.6%) | Heartland Swim Assoc | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 946 | 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! | |
| 947 | 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 | |
| 948 | Felix Wang | 51.63 | 10 | B Min | BB: 47.69 (+3.94s | 7.6%) | Eastside Aquatic Swim Team | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 949 | Oliver Ng | 51.63 | 10 | B Min | BB: 47.69 (+3.94s | 7.6%) | Life Time Oregon Swim Team | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 950 | Liam Adrian | 51.64 | 10 | B Min | BB: 47.69 (+3.95s | 7.6%) | Multnomah Athletic Club | 02/06/2026 | 2026 Forest Grove Coast Range Qualifier | |
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.