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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
2001 Calvin Carnahan 50.77 9 B: 48.29 (+2.48s | 4.9%) Team Vortex 03/07/2025 2025 CO NCS Winter District Championships
2002 Lewin Xie 50.79 8 B: 48.29 (+2.50s | 4.9%) Quicksilver Swimming 02/07/2026 Valley Splash Short Course C B A Meet
2003 Vladimir Nikolskii 50.79 10 B: 48.29 (+2.50s | 4.9%) Hillsboro Swim Team 01/18/2025 2025 Thunderbolt Round Robin Invitational
2004 Zayne Grieshaber 50.79 9 B: 48.29 (+2.50s | 4.9%) Spokane Waves Aquatic Team 01/25/2025 2025 Winter Open
25 Back
24.08
24.08
50 Back
26.71
50.79
50 Back
50.79
2005 Niall Killian 50.80 9 B: 48.29 (+2.51s | 4.9%) Boise Swim Club 12/20/2025 2025 BY Candy Cane Invitational
2006 Aarav Kampasi 50.82 9 B: 48.29 (+2.53s | 5.0%) Pro Swimming 09/26/2025 2025 Pro Season Kick Off Intrasquad
2007 Isaac Kramer 50.85 10 B: 48.29 (+2.56s | 5.0%) Bend Swim Club 12/18/2025 Bend Swim Club Intersquad
2008 Lincoln Marshall 50.85 8 B: 48.29 (+2.56s | 5.0%) Excel Aquatics 01/16/2026 2026 TYR Mardi Gras Invite
2009 Lawrence Chen 50.86 10 B: 48.29 (+2.57s | 5.1%) Sandpipers of Nevada 07/11/2025 July 2025 Rock The Blocks
2010 Anthony Lee 50.87 10 B: 48.29 (+2.58s | 5.1%) Chinook Aquatic Club 03/07/2026 2026 PN C March Madness Approved
2011 Elijah Chan 50.90 10 B: 48.29 (+2.61s | 5.1%) Apex 01/02/2026 2026 CST Shark Chase Invitational
2012 Orley Lewis 50.90 9 B: 48.29 (+2.61s | 5.1%) Lake Oswego Swim Club 12/13/2025 2025 OR HEAT Winter Invitational
2013 Isaac Schuster 50.92 10 B: 48.29 (+2.63s | 5.2%) University Place Aquatic Club 11/02/2025 2025 PN UPAC Fall Qual
2014 Milo Stanfill 50.94 9 B: 48.29 (+2.65s | 5.2%) Univ. of Denver Hilltoppers 01/23/2026 2026 CO TOPS Colorado Open
25 Back
26.09
26.09
50 Back
24.85
50.94
50 Back
50.94
2015 Cole LeMaster 50.94 10 B: 48.29 (+2.65s | 5.2%) Kona Dolphins Swim Club 02/07/2026 BIG ISLAND SWIMMING @ KCAC
2016 William Goodrich 50.95 7 B: 48.29 (+2.66s | 5.2%) Denver Swim Academy 02/14/2026 2026 CO ACES Winter Open
2017 Reece Kau 50.96 10 B: 48.29 (+2.67s | 5.2%) Palo Alto Stanford Aquatics 01/10/2026 SSF NEW YEAR SPLASH C B A+
2018 Jackson Mayhugh 50.97 10 B: 48.29 (+2.68s | 5.3%) Boise YMCA Swim Team 11/22/2025 57th Annual Thanksgiving Invitational
2019 Lincoln Balsmeier 50.97 10 B: 48.29 (+2.68s | 5.3%) Voltage Aquatics 07/12/2025 2025 Mashed Potato Dash
2020 Allan Duan 50.99 8 B: 48.29 (+2.70s | 5.3%) Pro Swimming 03/28/2026 2026 PN Spring Showdown, Div1 Approved
2021 Wesley Albright 51.00 9 B: 48.29 (+2.71s | 5.3%) Reno Aquatic Club 10/17/2025 2025 KING OF THE HILL CHALLENGE
2022 Liam Koppy 51.01 10 B: 48.29 (+2.72s | 5.3%) Piranha Swimming 03/22/2025 PC PRNA CBA+ Spring Surge Swim To Win
2023 Dashiell Wang 51.01 10 B: 48.29 (+2.72s | 5.3%) Santa Clara Swim Club 02/28/2026 Swim South Bay
2024 Gawin Ninsom 51.02 10 B: 48.29 (+2.73s | 5.4%) Portland Aquatic Club 11/01/2025 2025 PAC Fall Invitational
2025 Mason McKenzie 51.04 10 B: 48.29 (+2.75s | 5.4%) Tornadoes Swim Team 10/11/2024 2024 OR HEAT Fall Invitational
2026 Marcus Kulyavtsev 51.05 8 B: 48.29 (+2.76s | 5.4%) Vallejo Aquatic Club 11/08/2025 TCA PC November SC C B A+
2027 Jackson Guttridge 51.07 10 B: 48.29 (+2.78s | 5.4%) Apex 08/08/2025 2025 OR NST Seahorse Invitational
2028 Jonathan Nguyen 51.07 9 B: 48.29 (+2.78s | 5.4%) Sandpipers of Nevada 07/11/2025 July 2025 Rock The Blocks
2029 Vedansh Tomar 51.08 9 B: 48.29 (+2.79s | 5.5%) Pleasanton Seahawks 03/28/2026 PC CDST SC C B BB+ Meet
2030 Jamie Mesher 51.08 9 B: 48.29 (+2.79s | 5.5%) Boise Swim Club 11/22/2025 57th Annual Thanksgiving Invitational
2031 Ian Jiang 51.11 9 B: 48.29 (+2.82s | 5.5%) Burlingame Aquatics 03/07/2026 BAC Race To AGCs
2032 Owen Choi 51.11 10 B: 48.29 (+2.82s | 5.5%) Palo Alto Stanford Aquatics 10/25/2025 TYR BAC SPOOKY FALL CLASSIC
2033 Jack Spinuzzi 51.11 10 B: 48.29 (+2.82s | 5.5%) Team Vortex 03/06/2026 2026 CO NCS Winter District Championships
25 Back
25.18
25.18
50 Back
25.93
51.11
50 Back
51.11
2034 Jacob Chan 51.12 10 B: 48.29 (+2.83s | 5.5%) Apex 01/23/2026 2026 TTSC Winter Qualifier
2035 Vedant Tomar 51.12 9 B: 48.29 (+2.83s | 5.5%) California Dolphins Swim Team 10/18/2025 PC CDST SC C B BB+
2036 Oliver Mejia 51.12 8 B: 48.29 (+2.83s | 5.5%) Academy Swim Club 02/07/2026 BIG ISLAND SWIMMING @ KCAC
2037 Jamison Dominy 51.12 9 B: 48.29 (+2.83s | 5.5%) Full Armour Swim Team 12/19/2025 2025 CO Falfins Holiday Open
2038 Varun Rao 51.13 10 B: 48.29 (+2.84s | 5.6%) Bay Club Panthers 02/07/2026 PASA CBA+ SCY Meet Feb 2026
2039 Orion Taing 51.13 10 B: 48.29 (+2.84s | 5.6%) Clovis Swim Club 11/22/2025 2025 Dr Dowain Wright Memorial ABC
2040 Lucas Nguyen 51.13 10 B: 48.29 (+2.84s | 5.6%) Renegade Aquatics 11/02/2024 2024 SI JBST BC All Ages
2041 Asher Helmer 51.13 9 B: 48.29 (+2.84s | 5.6%) Seattle Metropolitan Aquatic C 10/04/2025 2025 PN SMAC Fall Kick Off Invitational
2042 Lucas Tarr 51.14 9 B: 48.29 (+2.85s | 5.6%) Excel Aquatics 02/21/2026 2026 SES Region 1 8 And Under Championships
2043 Krthin Kothinti 51.15 9 B: 48.29 (+2.86s | 5.6%) Wave Aquatics 03/28/2026 2026 PN Spring Showdown, Div 4 Approved
2044 Liam Bowen 51.16 10 B: 48.29 (+2.87s | 5.6%) Seattle Metropolitan Aquatic C 11/09/2025 2025 PN SMAC November Mini Meet
2045 Benjamin Sherman 51.18 8 B: 48.29 (+2.89s | 5.6%) Mission Viejo Nadadores 11/21/2025 2025 CA MVN Turkey Classic
2046 Aaron Yao 51.18 10 B: 48.29 (+2.89s | 5.6%) Unattached 10/11/2025 2025 DACA SC CBA Meet
2047 Salinger McKeen 51.18 10 B: 48.29 (+2.89s | 5.6%) Vashon Stingrays Swim Team 10/11/2025 2025 PN MMSC Fall Invite
2048 Jacob Nguyen 51.19 8 B: 48.29 (+2.90s | 5.7%) Garden Grove Aquatics 11/21/2025 2025 CA MVN Turkey Classic
2049 Andrew Arbatsky 51.19 10 B: 48.29 (+2.90s | 5.7%) Pacifica Sea Lions 10/11/2025 SSF October Splash C B A+ Meet
2050 Ezekiel Tally 51.19 10 B: 48.29 (+2.90s | 5.7%) Vandal Aquatic Club 01/10/2025 2025 Hells Canyon Invitational

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.