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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1901 | Zac Nunez | 52.19 | 8 | B: 48.29 (+3.90s | 7.5%) | North State Narwhals | 11/22/2025 | Thankswimming Classic 2025 | ||
| 1902 | Reyansh Shah | 52.19 | 9 | B: 48.29 (+3.90s | 7.5%) | South Valley Makos | 07/24/2026 | CVAL 2026 | ||
| 1903 | Jayden Zhang | 52.20 | 10 | B: 48.29 (+3.91s | 7.5%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | ||
| 1904 | Adam Hugenberger | 52.23 | 9 | B: 48.29 (+3.94s | 7.5%) | Otter Swim Club | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | ||
| 1905 | Kilo Hamada-Durant | 52.24 | 10 | B: 48.29 (+3.95s | 7.6%) | Swim Kauai Aquatics | 02/07/2026 | SKA Home Meet 2726 | ||
| 1906 | Amos Taub | 52.24 | 10 | B: 48.29 (+3.95s | 7.6%) | Otter Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 1907 | MacClellan Menzies | 52.25 | 9 | B: 48.29 (+3.96s | 7.6%) | Mighty Marlins Swim Club | 04/25/2026 | 2026 PN SSCD Spring Open Approved | ||
| 1908 | Leo Yin | 52.25 | 7 | B: 48.29 (+3.96s | 7.6%) | Bellevue Club Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | ||
| 1909 | Ayaan Agrawal | 52.26 | 9 | B: 48.29 (+3.97s | 7.6%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | ||
| 1910 | Abhimanyu Sengupta | 52.26 | 10 | B: 48.29 (+3.97s | 7.6%) | Clovis Swim Club | 01/10/2026 | 2026 Clovis Swim Club Winter Open | ||
| 1911 | Lukas Zazhitskiy | 52.27 | 9 | B: 48.29 (+3.98s | 7.6%) | Highlands Ranch Aquatics | 11/24/2024 | 2024 CO HRA SBL Turket Trot | ||
| 1912 | Kynan Wiseman | 52.27 | 10 | B: 48.29 (+3.98s | 7.6%) | Longmont Swim Club | 05/17/2025 | 2025 CO Loveland Snow Cone #1 | ||
| 1913 | Merchant Waylon | 52.28 | 10 | B: 48.29 (+3.99s | 7.6%) | Fort Collins Area Swim Team | 07/09/2025 | 2025 CO NCS 10 U Summer Festival | ||
| 1914 | Isaac Kantor | 52.28 | 10 | B: 48.29 (+3.99s | 7.6%) | AC Swim Club | 07/26/2025 | 2025 REAL Championships | ||
| 1915 | Paul Pickenpaugh | 52.28 | 10 | B: 48.29 (+3.99s | 7.6%) | Falfins Swimming | 03/14/2026 | 2026 CO Zone 5 Championships | ||
| 1916 | Ben Goetze | 52.29 | 7 | B: 48.29 (+4.00s | 7.6%) | Los Altos Mountain View Aquati | 03/28/2026 | LAMV C B A+ Meet | ||
| 1917 | Chase Bartholomew | 52.31 | 9 | B: 48.29 (+4.02s | 7.7%) | Pikes Peak Athletics | 02/20/2026 | 2026 CO PPA February Frenzy Last Chance Meet | ||
| 1918 | Vishik Sheshnag | 52.32 | 10 | B: 48.29 (+4.03s | 7.7%) | Boulder City Henderson Swim Te | 11/08/2024 | 2024 NV State Championships | ||
| 1919 | Miles Xu | 52.32 | 8 | B: 48.29 (+4.03s | 7.7%) | Northglenn Fusion Swim Club | 02/13/2026 | 2026 CO Loveland Last Chance Sweetheart Meet | ||
| 1920 | Walter Huang | 52.32 | 9 | B: 48.29 (+4.03s | 7.7%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | ||
| 1921 | Benjamin Voightmann | 52.33 | 10 | B: 48.29 (+4.04s | 7.7%) | Wave Aquatics | 08/01/2026 | 2026 PN WAVE Summer Pentathlon Invite Appr | ||
| 1922 | Riley Buckingham | 52.35 | 9 | B: 48.29 (+4.06s | 7.8%) | Rogue Rapids | 08/08/2025 | Bend Swim Club August Invitational | ||
| 1923 | Harrison Chen | 52.36 | 9 | B: 48.29 (+4.07s | 7.8%) | DeAnza Cupertino Aquatics | 03/28/2026 | LAMV C B A+ Meet | ||
| 1924 | Makar Zverev | 52.38 | 10 | B: 48.29 (+4.09s | 7.8%) | Livermore AquaCowboys | 07/25/2026 | Zone 2 Summer Championships | ||
| 1925 | Carlo Pozzi | 52.38 | 9 | B: 48.29 (+4.09s | 7.8%) | The Olympic Club | 09/20/2025 | WANV CBA+ Endless Summer Meet | ||
| 1926 | Alex Zhang | 52.39 | 10 | B: 48.29 (+4.10s | 7.8%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | ||
| 1927 | Jeremy Pei | 52.39 | 10 | B: 48.29 (+4.10s | 7.8%) | Columbia River Swim Team | 02/01/2025 | CRST Legacy Dual In The Pool | ||
| 1928 | Hazlitt Davenport | 52.40 | 8 | B: 48.29 (+4.11s | 7.8%) | Denver Triton Swim Team | 02/21/2026 | 2026 CO DSA Last Chance | ||
| 1929 | Denis Tumelia | 52.44 | 9 | B: 48.29 (+4.15s | 7.9%) | Mission Aurora Colorado Swimmi | 12/12/2025 | 2025 CO NJ Blizzard Invite | ||
| 1930 | Mateo Lopez | 52.47 | 8 | B: 48.29 (+4.18s | 8.0%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | ||
| 1931 | Kabir Sharma | 52.47 | 8 | B: 48.29 (+4.18s | 8.0%) | Wave Aquatics | 04/25/2026 | 2026 PN SSCD Spring Open Approved | ||
| 1932 | Thomas Rea | 52.48 | 9 | B: 48.29 (+4.19s | 8.0%) | Redding Swim Club | 11/22/2025 | Thankswimming Classic 2025 | ||
| 1933 | Jorge Gomez | 52.48 | 10 | B: 48.29 (+4.19s | 8.0%) | Bellingham Bay Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div 3 Approved | ||
| 1934 | Sam Peterson | 52.49 | 8 | B: 48.29 (+4.20s | 8.0%) | Excel Aquatics | 01/18/2026 | 2026 PN BC Snowflake Classic Invite Approved | ||
| 1935 | Haomiao Zhuang | 52.50 | 7 | B: 48.29 (+4.21s | 8.0%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | ||
| 1936 | Oliver Woo | 52.51 | 9 | B: 48.29 (+4.22s | 8.0%) | California Dolphins Swim Team | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | ||
| 1937 | Arthur Vyshnyakov | 52.53 | 8 | B: 48.29 (+4.24s | 8.1%) | Reno Aquatic Club | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | ||
| 1938 | Eli Wu | 52.54 | 10 | B: 48.29 (+4.25s | 8.1%) | South San Francisco Aquatics | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | ||
| 1939 | Adam Sherrill | 52.55 | 10 | B: 48.29 (+4.26s | 8.1%) | Star Aquatics | 10/03/2025 | 2025 STAR September Friday Night At The Races | ||
| 1940 | Ettore Billip | 52.55 | 9 | B: 48.29 (+4.26s | 8.1%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | ||
| 1941 | Wyatt Galuska | 52.55 | 10 | B: 48.29 (+4.26s | 8.1%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | ||
| 1942 | Max Wang | 52.55 | 9 | B: 48.29 (+4.26s | 8.1%) | Chinook Aquatic Club | 11/09/2025 | 2025 PN C Pentathlon | ||
| 1943 | Shing Lee | 52.56 | 10 | B: 48.29 (+4.27s | 8.1%) | Thurston Olympians Swim Club | 05/16/2026 | 2026 PN TOSC OST PAC May Meet Approved | ||
| 1944 | Leif Chang | 52.56 | 10 | B: 48.29 (+4.27s | 8.1%) | Rancho San Dieguito | 04/11/2026 | SI 2026 RSD All Ages BC Meet | ||
| 1945 | Elijah Larsen | 52.56 | 9 | B: 48.29 (+4.27s | 8.1%) | Wasatch Front Fish Market | 12/10/2025 | WFFM December Developmental | ||
| 1946 | Leon Colasito | 52.57 | 10 | B: 48.29 (+4.28s | 8.1%) | Bremerton YMCA Swim Team | 05/16/2026 | 2026 PN (PSSA) BYST Spring Fling Approved | ||
| 1947 | Vi Nguyen | 52.58 | 10 | B: 48.29 (+4.29s | 8.2%) | Mount Hood Aquatics | 08/07/2026 | 2026 OR NST Seahorse Invitational | ||
| 1948 | Andrew Abramson | 52.58 | 9 | B: 48.29 (+4.29s | 8.2%) | Manta Ray Aquatics | 07/18/2026 | 2026 SI SOL 14u Rising Stars #3 | ||
| 1949 | Finn Rodrigues | 52.59 | 9 | B: 48.29 (+4.30s | 8.2%) | Rainbow Aquatics | 11/09/2025 | OSL A+ SCY Meet | ||
| 1950 | Doldon Watkins | 52.59 | 10 | B: 48.29 (+4.30s | 8.2%) | Roseburg Y Swim Team | 02/08/2026 | 2026 AAA SC Final Countdown Open | ||
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.