Western Zone Zone Boys 10 & under - 50 Y Back
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 | Adam Jablonski | 44.83 | 10 | B Min | BB: 42.89 (+1.94s | 4.3%) | Elevation Athletics | 01/16/2026 | 2026 CO CUDA Classic | |
| 902 | Carson Lynch | 44.86 | 10 | B Min | BB: 42.89 (+1.97s | 4.4%) | Splash Aquatics | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 903 | Aiden Huang | 44.87 | 10 | B Min | BB: 42.89 (+1.98s | 4.4%) | DeAnza Cupertino Aquatics | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 904 | Steven Ilbana | 44.87 | 9 | B Min | BB: 42.89 (+1.98s | 4.4%) | Spokane Waves Aquatic Team | 12/05/2025 | 2025 SWAT Winter Invite | |
| 905 | Alexander Krapp | 44.87 | 10 | B Min | BB: 42.89 (+1.98s | 4.4%) | Thurston Olympians Swim Club | 03/21/2026 | 2026 PN OSTSEAL Kaholo Island ClassicApproved | |
| 906 | Kekalaholuokekaipueo Hanson | 44.89 | 10 | B Min | BB: 42.89 (+2.00s | 4.5%) | Punahou Aquatics Institute | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 907 | Thomas Cooke | 44.90 | 9 | B Min | BB: 42.89 (+2.01s | 4.5%) | Aptos Cabrillo Swim Club | 10/04/2024 | SCSC Pacific Swimming Short Cours C B A+ Meet | |
| 908 | Brant Davis | 44.91 | 7 | B Min | BB: 42.89 (+2.02s | 4.5%) | Pueblo County Swim Team | 06/19/2026 | 2026 Max Shirley Radiff Memorial | |
| 909 | Colin Wu | 44.91 | 10 | B Min | BB: 42.89 (+2.02s | 4.5%) | Life Time Colorado Swim Club | 01/02/2026 | 2026 CO COSA New Year Open | |
| 910 | Abraham Urrutia | 44.92 | 10 | B Min | BB: 42.89 (+2.03s | 4.5%) | Foothills Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 911 | Christopher Scheetz | 44.93 | 9 | B Min | BB: 42.89 (+2.04s | 4.5%) | COSA Swimming | 04/25/2026 | 2026 CO COSA Spring SC Kick Off | |
| 912 | Alex Winebrand | 44.93 | 8 | B Min | BB: 42.89 (+2.04s | 4.5%) | Pacific Swim | 07/10/2026 | 2026 SI SBA All Ages Last Chance Meet | |
| 913 | Andrew Chen | 44.93 | 8 | B Min | BB: 42.89 (+2.04s | 4.5%) | Seattle Metropolitan Aquatic C | 01/31/2026 | 2026 PN KING Beast IMX IMR Invitational Appr | |
| 914 | Benjamin Huang | 44.94 | 10 | B Min | BB: 42.89 (+2.05s | 4.6%) | Otter Swim Club | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 915 | Isaiah Fadillah | 44.94 | 10 | B Min | BB: 42.89 (+2.05s | 4.6%) | California Dolphins Swim Team | 10/18/2025 | PC CDST SC C B BB+ | |
| 916 | Jasper Zhong | 44.96 | 8 | B Min | BB: 42.89 (+2.07s | 4.6%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | |
| 917 | David Griesinger | 44.96 | 9 | B Min | BB: 42.89 (+2.07s | 4.6%) | Boise YMCA Swim Team | 11/22/2025 | 57th Annual Thanksgiving Invitational | |
| 918 | Jason Ma | 44.99 | 10 | B Min | BB: 42.89 (+2.10s | 4.7%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 919 | Sebastian Monroy Reyes | 45.01 | 10 | B Min | BB: 42.89 (+2.12s | 4.7%) | Sunnyvale Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 920 | Axel Danielsen | 45.01 | 10 | B Min | BB: 42.89 (+2.12s | 4.7%) | Hood River Valley Swim Team | 05/09/2026 | 2026 Spring Sprinter Invitational | |
| 921 | Miles Platt | 45.02 | 10 | B Min | BB: 42.89 (+2.13s | 4.7%) | King Aquatic Club | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 922 | Royce Reed | 45.02 | 8 | B Min | BB: 42.89 (+2.13s | 4.7%) | King Aquatic Club | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 923 | Maxwell Kelsey | 45.03 | 9 | B Min | BB: 42.89 (+2.14s | 4.8%) | Almaden Riptide | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 924 | Andrew Kenly | 45.03 | 10 | B Min | BB: 42.89 (+2.14s | 4.8%) | Avon Swim Club | 05/16/2026 | 2026 CO Sopris FAST Challenge | |
| 925 | Lowen Joyce | 45.03 | 10 | B Min | BB: 42.89 (+2.14s | 4.8%) | Team Sopris Swimming | 05/16/2026 | 2026 CO Sopris FAST Challenge | |
| 926 | Jack Willey | 45.04 | 10 | B Min | BB: 42.89 (+2.15s | 4.8%) | Almaden Riptide | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 927 | Atlas Crowley | 45.05 | 10 | B Min | BB: 42.89 (+2.16s | 4.8%) | McMinnville Swim Club | 02/15/2026 | 2026 MSC Vs APEX Dual Meet | |
| 928 | Joseph Michael | 45.05 | 9 | B Min | BB: 42.89 (+2.16s | 4.8%) | Seals Aquatics | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | |
| 929 | Hadam Bang | 45.07 | 10 | B Min | BB: 42.89 (+2.18s | 4.8%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 930 | Alex Wu | 45.07 | 7 | B Min | BB: 42.89 (+2.18s | 4.8%) | Santa Clara Swim Club | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 931 | Bruce Chou | 45.07 | 10 | B: 38.49 (+6.58s | 14.6%) | Jbarracudas Swim Team | 05/03/2026 | 2026 SI BAY 14U Rising Stars 1 | ||
| 932 | Yusuf Cavcic | 45.08 | 10 | B Min | BB: 42.89 (+2.19s | 4.9%) | Wave Aquatics | 12/06/2025 | 2025 PN Fall Divisionals, Division 3 WAVE | |
| 933 | Felix Franson | 45.08 | 9 | B Min | BB: 42.89 (+2.19s | 4.9%) | Pikes Peak Athletics | 07/18/2026 | 2026 CO AP Rocky Mountain State Games | |
| 934 | Artur Szabo | 45.10 | 10 | B Min | BB: 42.89 (+2.21s | 4.9%) | Maui Dolphins Swim Club | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 935 | Ian Lee | 45.10 | 8 | B Min | BB: 42.89 (+2.21s | 4.9%) | Bellevue Club Swim Team | 02/27/2026 | 2026 PN Feb Age Group Invite,Div 3 Approved | |
| 936 | Alec Henriques | 45.10 | 10 | B Min | BB: 42.89 (+2.21s | 4.9%) | Napa Valley Swim Team | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | |
| 937 | Johannes Davide | 45.11 | 10 | B Min | BB: 42.89 (+2.22s | 4.9%) | Issaquah Swim Team | 01/24/2026 | 2026 PN IST January Invitational Approved | |
| 938 | Charles Guess | 45.12 | 9 | B Min | BB: 42.89 (+2.23s | 4.9%) | Tahoe Swim Club | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 939 | Alexander Forward | 45.14 | 8 | B Min | BB: 42.89 (+2.25s | 5.0%) | San Jose Goosemonkeys | 02/28/2026 | Swim South Bay | |
| 940 | Caleb Tos | 45.15 | 10 | B Min | BB: 42.89 (+2.26s | 5.0%) | Tule Nation Tritons | 01/10/2026 | 2026 Clovis Swim Club Winter Open | |
| 941 | Griffin Ketchen | 45.15 | 9 | B Min | BB: 42.89 (+2.26s | 5.0%) | Iolani Swim Club | 12/06/2025 | 45th Annual Ken Suenaga Invitational (SCY) | |
| 942 | Aemon Meenaghan | 45.15 | 10 | B Min | BB: 42.89 (+2.26s | 5.0%) | Team Eugene Aquatics | 06/05/2026 | 2026 June Mini Meet | |
| 943 | Ezekiel Cabanilla | 45.16 | 10 | B Min | BB: 42.89 (+2.27s | 5.0%) | Maui Swim Club | 01/10/2026 | NEW YEAR S MAGSA SCY Meet | |
| 944 | Hohyeon Cho | 45.17 | 10 | B Min | BB: 42.89 (+2.28s | 5.0%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 945 | Noah Godfrey | 45.17 | 10 | B Min | BB: 42.89 (+2.28s | 5.0%) | Life Time Oregon Swim Team | 11/07/2025 | 2025 THSC November Open | |
| 946 | Ryker Todd | 45.17 | 9 | B Min | BB: 42.89 (+2.28s | 5.0%) | Monterey Bay Swim Club | 07/24/2026 | CVAL 2026 | |
| 947 | Jaden McLaughlin | 45.19 | 9 | B Min | BB: 42.89 (+2.30s | 5.1%) | Killer Whales Swim Club | 05/09/2026 | 2026 Spring Sprinter Invitational | |
| 948 | Noah Primitivo | 45.19 | 9 | B Min | BB: 42.89 (+2.30s | 5.1%) | Nathan Hale | 02/20/2026 | 2026 WIAA 2A Boys HS State Champs OB | |
| 949 | Callum Grant | 45.19 | 10 | B Min | BB: 42.89 (+2.30s | 5.1%) | Univ. of Denver Hilltoppers | 03/14/2026 | 2026 CO TOPS SCY Finale | |
| 950 | Kyle Wong | 45.19 | 9 | B Min | BB: 42.89 (+2.30s | 5.1%) | Albany Armada Aquatics | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | |
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.