Central 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 201 | Camden Knutson | 47.60 | 10 | BB Min | A: 42.09 (+5.51s | 11.6%) | River Falls Swim Club | 07/11/2026 | 2026 MN RFSC Summer Last Chance Invite | |
| 202 | Ryan Chen | 47.62 | 10 | BB Min | A: 42.09 (+5.53s | 11.6%) | Northern Lights Swimming Assoc | 01/17/2026 | 2026 Optimist High Point Meet | |
| 203 | Kou Takahashi | 47.65 | 8 | BB Min | A: 42.09 (+5.56s | 11.7%) | West Express Swim Team | 04/26/2026 | 2026 MN EDI April Sunday At The Races | |
| 204 | Charlie Cravens | 47.65 | 10 | BB Min | A: 42.09 (+5.56s | 11.7%) | SE Missouri Aquatic League | 10/24/2026 | 2026 METS Splash Of The Titans Copied | |
| 205 | Gavin Grindem | 47.67 | 9 | BB Min | A: 42.09 (+5.58s | 11.7%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 03/07/2026 | 2026 Lake Huron Regional Meet | |
| 206 | Lee Pfeifer | 47.67 | 10 | BB Min | A: 42.09 (+5.58s | 11.7%) | Life Time Swim Missouri | 10/09/2026 | Fall Festival Invitational | |
| 207 | Maxwell Schleusner | 47.70 | 10 | B Min | BB: 47.69 (+0.01s | 0.0%) | Watertown Area Swim Club | 02/20/2026 | 2026 SD 12 Under Short Course State A Champ | |
| 208 | John Umiker | 47.74 | 10 | B Min | BB: 47.69 (+0.05s | 0.1%) | Pierre Swim Team | 01/30/2026 | 2026 SD Capital City Qualifier | |
| 209 | Max Frelek | 47.74 | 10 | B Min | BB: 47.69 (+0.05s | 0.1%) | Mason Manta Rays | 10/23/2026 | 2026 CLPR Halloween Meet | |
| 210 | David Mastin | 47.75 | 9 | B Min | BB: 47.69 (+0.06s | 0.1%) | Razor Aquatics | 01/16/2026 | SLA Arctic Blast 2026 | |
| 211 | James Lehn | 47.75 | 10 | B Min | BB: 47.69 (+0.06s | 0.1%) | Hastings Y Aquatic Club | 01/24/2026 | 2026 MW LSS Winterfest | |
| 212 | Seojin Lee | 47.79 | 9 | B Min | BB: 47.69 (+0.10s | 0.2%) | Utica Shelby Swim Club | 03/07/2026 | 2026 Lake Huron Regional Meet | |
| 213 | Simon Becker | 47.80 | 10 | B Min | BB: 47.69 (+0.11s | 0.2%) | Csp Tideriders | 10/09/2026 | Fall Festival Invitational | |
| 214 | Matthew Weaver | 47.82 | 9 | B Min | BB: 47.69 (+0.13s | 0.3%) | Egra Waves | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 215 | Elliott Atwood | 47.88 | 10 | B Min | BB: 47.69 (+0.19s | 0.4%) | Chelsea Aquatic Club | 11/07/2025 | 25th Annual A3 Red, White, And Blue Classic | |
| 216 | Graham Rosen | 47.89 | 9 | B Min | BB: 47.69 (+0.20s | 0.4%) | Csp Tideriders | 10/09/2026 | Fall Festival Invitational | |
| 217 | Christian Matyja | 47.92 | 10 | B Min | BB: 47.69 (+0.23s | 0.5%) | Utica Shelby Swim Club | 02/06/2026 | 2026 Michigan Open | |
| 218 | Simon Nelson | 47.92 | 10 | B Min | BB: 47.69 (+0.23s | 0.5%) | Norfolk YMCA Aquajets | 02/20/2026 | 2026 MW Midwestern Age Group Short Course | |
| 219 | Parker Lauhoff | 47.93 | 9 | B Min | BB: 47.69 (+0.24s | 0.5%) | South Lyon Aquatics | 01/16/2026 | SLA Arctic Blast 2026 | |
| 220 | Srikar Yeturu | 47.95 | 10 | B Min | BB: 47.69 (+0.26s | 0.5%) | Delaware Riptide YMCA Swim Tea | 02/19/2026 | 2026 OH UASC SC Regional Championships | |
| 221 | James Kohler | 47.95 | 9 | B Min | BB: 47.69 (+0.26s | 0.5%) | Riptide Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 222 | Matthew Bassett | 47.98 | 9 | B Min | BB: 47.69 (+0.29s | 0.6%) | Atlantis Swimming | 12/06/2025 | 2025 26 Super Fast And Furious Prelim Final | |
| 223 | Nova Eisel | 47.99 | 10 | B Min | BB: 47.69 (+0.30s | 0.6%) | Great Wolf Swim Team | 02/27/2026 | 2026 MN RSC Minnesota Regional Championship | |
| 224 | Easton Coppes | 48.01 | 10 | B Min | BB: 47.69 (+0.32s | 0.7%) | Bowling Green Swim Club | 02/19/2026 | 2026 OH SOS SC Regional Championships | |
| 225 | William Nolte | 48.02 | 10 | B Min | BB: 47.69 (+0.33s | 0.7%) | Black Hawk Area Swim Team | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 226 | Devan Gupta | 48.02 | 10 | B Min | BB: 47.69 (+0.33s | 0.7%) | Mason Manta Rays | 02/19/2026 | 2026 OH RAYS SC Regional Championships | |
| 227 | Liam Cotton | 48.03 | 10 | B Min | BB: 47.69 (+0.34s | 0.7%) | RC Durr Family YMCA | 10/10/2026 | 2026 Tsunami Fall Invitational | |
| 228 | Graham Rosenthal | 48.09 | 9 | B Min | BB: 47.69 (+0.40s | 0.8%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/27/2026 | 2026 Junior Cup | |
| 229 | Marcus Kalmi | 48.09 | 10 | B Min | BB: 47.69 (+0.40s | 0.8%) | Riptide Swim Team | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 230 | George Cao | 48.10 | 10 | B Min | BB: 47.69 (+0.41s | 0.9%) | Mason Manta Rays | 10/23/2026 | 2026 CLPR Halloween Meet | |
| 231 | John Kosch | 48.14 | 10 | B Min | BB: 47.69 (+0.45s | 0.9%) | Oly Swimming | 02/27/2026 | 2026 MCSA Junior Cup | |
| 232 | Jaylen Chen | 48.16 | 10 | B Min | BB: 47.69 (+0.47s | 1.0%) | Riptide Swim Team | 11/01/2025 | 2025 MN NOR Champ Belt Sprint Spec (Fall) | |
| 233 | Wesley Brown | 48.19 | 10 | B Min | BB: 47.69 (+0.50s | 1.0%) | Atlantis Swimming | 10/17/2025 | 2025 OLY Fall Classic | |
| 234 | Jack Rissman | 48.23 | 9 | B Min | BB: 47.69 (+0.54s | 1.1%) | Edina Swim Club | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 235 | Joshua Webster | 48.25 | 10 | B Min | BB: 47.69 (+0.56s | 1.2%) | Minnetonka Swim Club | 10/02/2026 | 2026 MN RSC Fall Pentathlon | |
| 236 | Shepard Bowen | 48.28 | 10 | B Min | BB: 47.69 (+0.59s | 1.2%) | Mason Manta Rays | 10/23/2026 | 2026 CLPR Halloween Meet | |
| 237 | Sammy Cerni | 48.29 | 9 | B Min | BB: 47.69 (+0.60s | 1.2%) | Great Lakes Sailfish Swimming | 03/12/2026 | 2026 OH SC Junior Championships | |
| 238 | Andrew Pinkerton | 48.30 | 10 | B Min | BB: 47.69 (+0.61s | 1.3%) | Dexter Community Aquatic Club | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 239 | Jacob Meade | 48.30 | 10 | B Min | BB: 47.69 (+0.61s | 1.3%) | Great Lakes Tritons | 03/07/2026 | 2026 Lake Huron Regional Meet | |
| 240 | Ibrahim Ghanem | 48.31 | 9 | B Min | BB: 47.69 (+0.62s | 1.3%) | Romulus Torpedoes Swim Club | 11/07/2025 | 25th Annual A3 Red, White, And Blue Classic | |
| 241 | Ryker Mahowald | 48.32 | 10 | B Min | BB: 47.69 (+0.63s | 1.3%) | Vermillion Area Swim Team | 02/20/2026 | 2026 SD 12 Under Short Course State A Champ | |
| 242 | Nolan Vargason | 48.32 | 9 | B Min | BB: 47.69 (+0.63s | 1.3%) | Unattached | 01/09/2026 | 2026 IA Midwest All Stars 09Jan2026 Midwestern | |
| 243 | Rowan Hansen | 48.33 | 9 | B Min | BB: 47.69 (+0.64s | 1.3%) | Plymouth Canton Cruisers | 02/27/2026 | 2026 Junior Cup | |
| 244 | David Plamadeala | 48.35 | 10 | B Min | BB: 47.69 (+0.66s | 1.4%) | South Lyon Aquatics | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 245 | Logan Houser | 48.36 | 8 | B Min | BB: 47.69 (+0.67s | 1.4%) | Blue Water Otters | 03/07/2026 | 2026 Michigan YMCA State Championship | |
| 246 | Henry Meyer | 48.39 | 9 | B Min | BB: 47.69 (+0.70s | 1.4%) | Fremont Area Swim Team | 11/08/2025 | 2025 MW ACE Danielle Soby Bemis Memorial Invi | |
| 247 | Quentyn Boerboom | 48.41 | 10 | B Min | BB: 47.69 (+0.72s | 1.5%) | Southwest Swim Club | 01/23/2026 | SFST SD 2026 January Invite | |
| 248 | Olly Braeu | 48.42 | 10 | B Min | BB: 47.69 (+0.73s | 1.5%) | Scioto Country Club | 02/19/2026 | 2026 OH UASC SC Regional Championships | |
| 249 | Charlie Spearin | 48.44 | 9 | B Min | BB: 47.69 (+0.75s | 1.5%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/27/2026 | 2026 Junior Cup | |
| 250 | Sebastian Wyborn | 48.50 | 10 | B Min | BB: 47.69 (+0.81s | 1.7%) | Cincinnati Aquatic Club | 02/19/2026 | 2026 OH CM SC Regional Championships | |
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.