Western Zone Zone Boys 10 & under - 50 M Free
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1951 | Seth Davidson | 56.00 | 7 | B: 43.89 (+12.11s | 21.6%) | Mighty Marlins Swim Club | 05/28/2026 | 2026 IE VS Apple Capital | ||
| 1952 | Joshua Chang | 56.01 | 9 | B: 43.89 (+12.12s | 21.6%) | Unattached | 05/02/2026 | Alto Spring Jam CBA | ||
| 1953 | Aaron Wang | 56.03 | 9 | B: 43.89 (+12.14s | 21.7%) | Quicksilver Swimming | 05/22/2024 | Zone 1S Micro Meet SJ1 (Host QSS) | ||
| 1954 | Ethan Mortensen | 56.05 | 10 | B: 43.89 (+12.16s | 21.7%) | Reno Aquatic Club | 05/22/2026 | 2026 Intermountain Classic Long Course Meet | ||
| 1955 | Lucas Talbot | 56.11 | 8 | B: 43.89 (+12.22s | 21.8%) | San Jose Goosemonkeys | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | ||
| 1956 | Bodhi Talansky | 56.18 | 9 | B: 43.89 (+12.29s | 21.9%) | Truckee-Tahoe Swim Team | 06/19/2026 | Reno Aquatic Club Gamble | ||
| 1957 | Felix Cushman | 56.21 | 8 | B: 43.89 (+12.32s | 21.9%) | The Dalles Swim Team | 07/04/2026 | Pendleton Open 2026 | ||
| 1958 | Lucas Fleck | 56.22 | 10 | B: 43.89 (+12.33s | 21.9%) | AC Swim Club | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 1959 | Adar Shalev | 56.27 | 9 | B: 43.89 (+12.38s | 22.0%) | Jbarracudas Swim Team | 06/06/2026 | 2026 SI JBST SPLASH DASH MAX | ||
| 1960 | Miles Bradley | 56.27 | 9 | B: 43.89 (+12.38s | 22.0%) | Portland Aquatic Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | ||
| 1961 | Colton Coplin-Perez | 56.29 | 8 | B: 43.89 (+12.40s | 22.0%) | Swim Excellence Academy | 07/11/2025 | 2025 SI SDSA All Ages NTS Meet | ||
| 1962 | Bryce Nichols | 56.30 | 9 | B: 43.89 (+12.41s | 22.0%) | Humboldt Swim Club | 05/17/2024 | SRN Long Course CBA+ | ||
| 1963 | Ranen Garnick | 56.30 | 7 | B: 43.89 (+12.41s | 22.0%) | Boulder Swim Team | 05/29/2026 | 2026 CO Barracuda Summer Sizzler Invite | ||
| 1964 | Liam Yu | 56.31 | 6 | B: 43.89 (+12.42s | 22.1%) | California Dolphins Swim Team | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | ||
| 1965 | Jason Sanchez | 56.34 | 8 | B: 43.89 (+12.45s | 22.1%) | Valley Splash | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | ||
| 1966 | Rowin Rajamoney | 56.38 | 9 | B: 43.89 (+12.49s | 22.2%) | Hood River Valley Swim Team | 06/12/2026 | 73rd Ted Walker Invitational 2026 | ||
| 1967 | Ezra Chantavong | 56.40 | 10 | B: 43.89 (+12.51s | 22.2%) | Warrior Aquatic Club | 06/27/2026 | BIG ISLAND SWIMMING @ KSH | ||
| 1968 | Ayden Xiao | 56.41 | 8 | B: 43.89 (+12.52s | 22.2%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | ||
| 1969 | Van Schuster | 56.42 | 9 | B: 43.89 (+12.53s | 22.2%) | Swim Dogs | 07/11/2025 | 2025 CO NJ Firecracker Invite | ||
| 1970 | Charlie Ohalloran | 56.42 | 9 | B: 43.89 (+12.53s | 22.2%) | Cali Piranha Swim Team | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | ||
| 1971 | Youle Zhong | 56.45 | 8 | B: 43.89 (+12.56s | 22.2%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | ||
| 1972 | Brandon Lowery | 56.53 | 10 | B: 43.89 (+12.64s | 22.4%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | ||
| 1973 | Deacon Kendall | 56.53 | 9 | B: 43.89 (+12.64s | 22.4%) | Lehi Aquatics | 06/21/2025 | 2025 UT HAST RWB BC Medals Meet | ||
| 1974 | Bodhi Won | 56.57 | 10 | B: 43.89 (+12.68s | 22.4%) | Richmond Sailfish | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | ||
| 1975 | Brian Chen | 56.60 | 9 | B: 43.89 (+12.71s | 22.5%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | ||
| 1976 | Taiten Bond | 56.61 | 10 | B: 43.89 (+12.72s | 22.5%) | Atomic Swim Club | 07/04/2026 | Pendleton Open 2026 | ||
| 1977 | Cass Jacobson | 56.64 | 8 | B: 43.89 (+12.75s | 22.5%) | Otter Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | ||
| 1978 | Andy Shi | 56.65 | 9 | B: 43.89 (+12.76s | 22.5%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | ||
| 1979 | Arlo Tek | 56.67 | 9 | B: 43.89 (+12.78s | 22.6%) | Sahuarita Stingrays | 06/12/2026 | 2026 BD DSSC Poppas Day | ||
| 1980 | Jonathan Hou | 56.67 | 8 | B: 43.89 (+12.78s | 22.6%) | West Coast Aquatics | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | ||
| 1981 | Jens Bolander | 56.69 | 9 | B: 43.89 (+12.80s | 22.6%) | Team Eugene Aquatics | 06/12/2026 | 2026 THSC June Open | ||
| 1982 | Gavin Wong | 56.69 | 9 | B: 43.89 (+12.80s | 22.6%) | Daly City Dolphins | 06/27/2025 | Silicon Valley LC CBA+ Meet | ||
| 1983 | Dominic Listella | 56.70 | 8 | B: 43.89 (+12.81s | 22.6%) | Spokane Waves Aquatic Team | 04/25/2026 | 2026 SWAT Spring Fling | ||
| 1984 | Ansel Sheehy | 56.70 | 9 | B: 43.89 (+12.81s | 22.6%) | Ladera Oaks | 05/16/2025 | 2025 DACA LC CBA Meet | ||
| 1985 | James Schenk | 56.71 | 8 | B: 43.89 (+12.82s | 22.6%) | Life Time Oregon Swim Team | 06/05/2026 | 2026 CST Summer Invitational | ||
| 1986 | Elliott Mohning | 56.72 | 8 | B: 43.89 (+12.83s | 22.6%) | Swim Dogs | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | ||
| 1987 | Rhys Sasser | 56.72 | 9 | B: 43.89 (+12.83s | 22.6%) | Team Eugene Aquatics | 06/26/2026 | 2026 TEAM Summer Invitational | ||
| 1988 | Stephen Mouritsen | 56.76 | 10 | B: 43.89 (+12.87s | 22.7%) | Swim Lake City Legends | 07/17/2025 | 2025 UTAGS LC Championships | ||
| 1989 | Yubin Chang | 56.78 | 6 | B: 43.89 (+12.89s | 22.7%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | ||
| 1990 | Paxton King | 56.79 | 9 | B: 43.89 (+12.90s | 22.7%) | Fort Collins Area Swim Team | 04/11/2026 | 2026 CO FAST Vs CUDA Dua; | ||
| 1991 | Ronnie Chen | 56.81 | 7 | B: 43.89 (+12.92s | 22.7%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | ||
| 1992 | Chase Kress | 56.81 | 10 | B: 43.89 (+12.92s | 22.7%) | Seattle Metropolitan Aquatic C | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | ||
| 1993 | Mark Zhang | 56.84 | 10 | B: 37.39 (+19.45s | 34.2%) | Gilroy Gators Swim Team | 05/18/2024 | San Benito Aquatics C B A+ | ||
| 1994 | Luca Ferrante | 56.84 | 8 | B: 43.89 (+12.95s | 22.8%) | Palo Alto Stanford Aquatics | 05/24/2025 | 2025 Mike Snyder Memorial | ||
| 1995 | Winston McElderry | 56.85 | 7 | B: 43.89 (+12.96s | 22.8%) | Utah Valley Aquatics | 05/02/2025 | 2025 UVrays LC May Invitational | ||
| 1996 | Vincent Wang | 56.85 | 8 | B: 43.89 (+12.96s | 22.8%) | Sunnyvale Swim Club | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 1997 | Keanu Long | 56.85 | 9 | B: 43.89 (+12.96s | 22.8%) | Alameda Gators | 06/13/2026 | Orinda PC LC AG C B BB+ | ||
| 1998 | Maverick Scoggin | 56.88 | 8 | B: 43.89 (+12.99s | 22.8%) | Napa Valley Swim Team | 06/21/2025 | NVST Last Chance AG Champs Summer Plunge 2025 | ||
| 1999 | Filip Sapazhkou | 56.95 | 8 | B: 43.89 (+13.06s | 22.9%) | Swim Lake City Legends | 06/06/2025 | Speed Lake City 2025 | ||
| 2000 | Xiaobo Gao | 56.98 | 9 | B: 43.89 (+13.09s | 23.0%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC 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.