Western Zone Zone Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 201 | Isaac Podraza | 43.12 | 9 | BB Min | A: 43.09 (+0.03s | 0.1%) | South Orange County Aquatics | 06/11/2026 | 2026 SCS June AG Invite | |
| 202 | James Milchteim | 43.16 | 9 | BB Min | A: 43.09 (+0.07s | 0.2%) | Bay Club Aquatics | 04/24/2026 | 2026 SI PS ABB Meet B Group | |
| 203 | Owen Zeng | 43.19 | 10 | BB Min | A: 43.09 (+0.10s | 0.2%) | Trident Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 204 | Frederick Sun | 43.20 | 9 | BB Min | A: 43.09 (+0.11s | 0.3%) | Rose Bowl Aquatics | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 205 | Elliott Johnson | 43.24 | 10 | BB Min | A: 43.09 (+0.15s | 0.3%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 206 | Vincent Nan | 43.26 | 10 | BB Min | A: 43.09 (+0.17s | 0.4%) | Pacific Dragons Swim Team | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 207 | Danylo Marshchivskyi | 43.27 | 8 | BB Min | A: 43.09 (+0.18s | 0.4%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 208 | Calvin Larkin | 43.29 | 9 | BB Min | A: 43.09 (+0.20s | 0.5%) | Bend Swim Club | 05/08/2026 | Bend Swim Club May Invitational 2026 | |
| 209 | Carter Little | 43.32 | 10 | BB Min | A: 43.09 (+0.23s | 0.5%) | Excel Aquatics | 04/24/2026 | 2026 Strong Tower Invite | |
| 210 | Ezekiel Cabanilla | 43.33 | 10 | BB Min | A: 43.09 (+0.24s | 0.6%) | Maui Swim Club | 05/30/2026 | 2026 MAGSA LCM A 2 Meet | |
| 211 | Austin Pham | 43.34 | 10 | BB Min | A: 43.09 (+0.25s | 0.6%) | Foothills Swim Team | 06/26/2026 | 2026 CO Zone 2 District Meet AAC | |
| 212 | James Covey | 43.35 | 7 | BB Min | A: 43.09 (+0.26s | 0.6%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 213 | Logan Fischer | 43.35 | 10 | BB Min | A: 43.09 (+0.26s | 0.6%) | Denver Swim Academy | 06/26/2026 | 2026 CO Zone 2 District Meet DU | |
| 214 | Nhat Tran | 43.37 | 10 | BB Min | A: 43.09 (+0.28s | 0.6%) | Olympic Cascade Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 215 | Lincoln Miyake | 43.40 | 10 | BB Min | A: 43.09 (+0.31s | 0.7%) | Canyons Aquatic Club | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 216 | Thomas Kyung | 43.40 | 8 | BB Min | A: 43.09 (+0.31s | 0.7%) | Maywood Sparks Swim Team | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 217 | Jayden Chang | 43.41 | 10 | BB Min | A: 43.09 (+0.32s | 0.7%) | Maywood Sparks Swim Team | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 218 | Valentino Agresti | 43.41 | 9 | BB Min | A: 43.09 (+0.32s | 0.7%) | Punahou Aquatics Institute | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 219 | Enric Lee | 43.42 | 10 | BB Min | A: 43.09 (+0.33s | 0.8%) | Bay Club Aquatics | 06/19/2026 | 2026 SI Splash And Dash | |
| 220 | Young Sun | 43.46 | 9 | BB Min | A: 43.09 (+0.37s | 0.9%) | Pro Swimming | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 221 | Adam Lum | 43.48 | 10 | BB Min | A: 43.09 (+0.39s | 0.9%) | Lakewood Aquatics | 06/11/2026 | 2026 SCS June AG Invite | |
| 222 | Mike Semenov | 43.50 | 10 | BB Min | A: 43.09 (+0.41s | 0.9%) | Beach Cities Alpha | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 223 | Hunter Wilson | 43.50 | 9 | BB Min | A: 43.09 (+0.41s | 0.9%) | Kamehameha Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 224 | Matthew Davie | 43.50 | 10 | BB Min | A: 43.09 (+0.41s | 0.9%) | Bend Swim Club | 06/19/2026 | Bend Swim Club Sun Country Invite 2026 | |
| 225 | Thomas Shackleton | 43.50 | 10 | BB Min | A: 43.09 (+0.41s | 0.9%) | North Coast Aquatics | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 226 | Phillippe Choi | 43.52 | 10 | BB Min | A: 43.09 (+0.43s | 1.0%) | Klg Sports Swim Team | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 227 | Adelynn Spurlin | 43.52 | 10 | BB Min | A: 43.09 (+0.43s | 1.0%) | North Jeffco Swim Team | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 228 | Niccolo Pantana | 43.52 | 9 | BB Min | A: 43.09 (+0.43s | 1.0%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 229 | Benjamin Krett | 43.52 | 9 | BB Min | A: 43.09 (+0.43s | 1.0%) | Denver Swim Academy | 06/26/2026 | 2026 CO Zone 2 District Meet DU | |
| 230 | Mason Li | 43.53 | 9 | BB Min | A: 43.09 (+0.44s | 1.0%) | Brea Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 231 | Lucas Jiang | 43.53 | 9 | BB Min | A: 43.09 (+0.44s | 1.0%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 232 | Landon Wang | 43.54 | 10 | BB Min | A: 43.09 (+0.45s | 1.0%) | Seattle Metropolitan Aquatic C | 05/28/2026 | 2026 IE VS Apple Capital | |
| 233 | Maxen Cao | 43.55 | 9 | BB Min | A: 43.09 (+0.46s | 1.1%) | Otter Swim Club | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 234 | Mark Kiselev | 43.56 | 9 | BB Min | A: 43.09 (+0.47s | 1.1%) | Royal Swim Team | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 235 | Alfie Mobbs | 43.57 | 9 | BB Min | A: 43.09 (+0.48s | 1.1%) | Lake Oswego Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 236 | Adam Ma | 43.58 | 10 | BB Min | A: 43.09 (+0.49s | 1.1%) | Unattached | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 237 | Demian Jarmy | 43.61 | 10 | BB Min | A: 43.09 (+0.52s | 1.2%) | Pleasanton Seahawks | 06/19/2026 | Reno Aquatic Club Gamble | |
| 238 | Kais Esmail | 43.63 | 10 | BB Min | A: 43.09 (+0.54s | 1.2%) | Bellingham Bay Swim Team | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 239 | Andres Velazquez | 43.64 | 9 | BB Min | A: 43.09 (+0.55s | 1.3%) | Pro Swimming | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 240 | Lathan Su | 43.65 | 10 | BB Min | A: 43.09 (+0.56s | 1.3%) | Arcadia Riptides Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 241 | Joshua Vitale | 43.67 | 10 | BB Min | A: 43.09 (+0.58s | 1.3%) | Lake Oswego Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 242 | Ilan Rattner | 43.70 | 9 | BB Min | A: 43.09 (+0.61s | 1.4%) | Sunnyvale Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 243 | Moses Xia | 43.71 | 10 | BB Min | A: 43.09 (+0.62s | 1.4%) | Wasc | 06/11/2026 | 2026 SCS June AG Invite | |
| 244 | Kurt Ramos | 43.71 | 10 | BB Min | A: 43.09 (+0.62s | 1.4%) | Vacaville Swim Club | 06/27/2026 | NVST Summer Plunge 2026 | |
| 245 | Chayton Zhou | 43.73 | 9 | BB Min | A: 43.09 (+0.64s | 1.5%) | Pleasanton Seahawks | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 246 | Abir Patowary | 43.79 | 10 | BB Min | A: 43.09 (+0.70s | 1.6%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 247 | Jayden Liu | 43.79 | 10 | BB Min | A: 43.09 (+0.70s | 1.6%) | Seattle Metropolitan Aquatic C | 05/28/2026 | 2026 IE VS Apple Capital | |
| 248 | Colin Hui | 43.83 | 10 | BB Min | A: 43.09 (+0.74s | 1.7%) | Highlands Ranch Aquatics | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 249 | Conner Yang | 43.86 | 10 | BB Min | A: 43.09 (+0.77s | 1.8%) | The Dolphins Portland Swimming | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | |
| 250 | Graham Terzer | 43.87 | 10 | BB Min | A: 43.09 (+0.78s | 1.8%) | The Spartans of La Canada | 06/11/2026 | 2026 SCS June AG Invite | |
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.