Southern 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 151 | Derek Nichols | 48.53 | 9 | BB Min | A: 43.09 (+5.44s | 11.2%) | Alamo Area Aquatic Association | 07/25/2025 | 2025 ST AAAA NE LC End Of Season Splash | |
| 152 | Tang Zheng | 48.61 | 8 | BB Min | A: 43.09 (+5.52s | 11.4%) | Clearwater Aquatic Team | 07/04/2025 | 2025 SPA S SEMINOLE SUNRISE LANES SWIM MEET | |
| 153 | Jayan Naik | 48.72 | 9 | BB Min | A: 43.09 (+5.63s | 11.6%) | Capital of Texas Aquatics | 05/02/2025 | 2025 ST ASC Cinco De Mayo | |
| 154 | Ryan Hartmann | 48.73 | 8 | BB Min | A: 43.09 (+5.64s | 11.6%) | Lakewood Ranch Swim Associatio | 06/19/2025 | 2025 Shark Open | |
| 155 | Easton Yu | 48.75 | 9 | BB Min | A: 43.09 (+5.66s | 11.6%) | Longhorn Aquatics | 05/04/2025 | 2025 ST TXLA 10 U End Of School Splash | |
| 156 | Adam Jiang | 48.81 | 9 | BB Min | A: 43.09 (+5.72s | 11.7%) | Waterloo Swimming | 05/16/2025 | 2025 ST ASC Spring Showcase | |
| 157 | Conor Valdez | 48.84 | 8 | BB Min | A: 43.09 (+5.75s | 11.8%) | Spokane Waves Aquatic Team | 07/25/2025 | 2025 IES LC CHAMPIONSHIPS | |
| 158 | Nicholas Medina | 48.89 | 8 | BB Min | A: 43.09 (+5.80s | 11.9%) | Laker Swim | 06/12/2025 | 2025 RAFC Summer Solstice | |
| 159 | Micah Kusbel | 48.93 | 9 | BB Min | A: 43.09 (+5.84s | 11.9%) | Alamo Area Aquatic Association | 06/27/2025 | 2025 ST HPAC Long Course STX Championship | |
| 160 | Bennett McKown | 48.93 | 7 | BB Min | A: 43.09 (+5.84s | 11.9%) | Patriot Aquatics | 05/16/2025 | 2025 PA Long Course Invite | |
| 161 | Ryan Sun | 48.93 | 10 | BB Min | A: 43.09 (+5.84s | 11.9%) | Sarasota Sharks | 05/16/2025 | 2025 SYS Memorial Meet | |
| 162 | Grant Zimmermann | 49.02 | 8 | BB Min | A: 43.09 (+5.93s | 12.1%) | YMCA of the Triangle Area Swim | 06/14/2024 | SwimRVA Summer Invitational | |
| 163 | Ryan Karapostoles | 49.03 | 8 | BB Min | A: 43.09 (+5.94s | 12.1%) | Swim Melbourne | 05/23/2025 | 2025 Dr Aspi Doctor Memorial Invitational | |
| 164 | Abraham Carver | 49.07 | 8 | BB Min | A: 43.09 (+5.98s | 12.2%) | Saint Petersburg Aquatics | 05/16/2025 | 2025 SAINT PETE S 2nd LONG COURSE MEET | |
| 165 | Conrad Postle | 49.08 | 8 | BB Min | A: 43.09 (+5.99s | 12.2%) | West Florida Lightning Aquatic | 05/16/2025 | 2025 SAINT PETE S 2nd LONG COURSE MEET | |
| 166 | Michel Opp | 49.08 | 9 | BB Min | A: 43.09 (+5.99s | 12.2%) | Sporting Jax Aquatic Club | 05/03/2025 | SwimRise IMX IMR Challenge | |
| 167 | Levi Mccloy | 49.15 | 9 | BB Min | A: 43.09 (+6.06s | 12.3%) | High Performance Aquatic Club | 04/26/2025 | 2025 HPAC Banana Slug Beach Bash | |
| 168 | Chezeq Morgos | 49.15 | 9 | BB Min | A: 43.09 (+6.06s | 12.3%) | Sea Dragon Aquatics | 05/03/2025 | 2025 Sea Dragon May Open | |
| 169 | Maximus Wan | 49.18 | 10 | BB Min | A: 43.09 (+6.09s | 12.4%) | Highlander Aquatic Club | 05/16/2025 | 2025 PA Long Course Invite | |
| 170 | Alonso Andrade | 49.19 | 8 | BB Min | A: 43.09 (+6.10s | 12.4%) | EL Paso Border Land Swim Team | 06/28/2024 | 2024 EPAP Jack White Classic | |
| 171 | William Johnson | 49.31 | 8 | B Min | BB: 49.29 (+0.02s | 0.0%) | Swim Florida | 06/21/2025 | 2025 T2 June Saturday Showcase | |
| 172 | Blake Davis | 49.42 | 7 | B Min | BB: 49.29 (+0.13s | 0.3%) | Bolles School Sharks | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 173 | Jacob Gamio | 49.42 | 8 | B Min | BB: 49.29 (+0.13s | 0.3%) | Alamo Area Aquatic Association | 05/16/2025 | 2025 ST AAAA NS Salute To The Troops | |
| 174 | Shane Kirk | 49.45 | 8 | B Min | BB: 49.29 (+0.16s | 0.3%) | Bolles School Sharks | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 175 | Benjamin Gonen | 49.46 | 8 | B Min | BB: 49.29 (+0.17s | 0.3%) | YMCA of Austin Swim Alliance | 05/16/2025 | 2025 ST ASC Spring Showcase | |
| 176 | Yashovar Nallannagari | 49.47 | 9 | B Min | BB: 49.29 (+0.18s | 0.4%) | Nitro Swimming | 04/26/2025 | 2025 ST NTRO Splashing Into Long Course | |
| 177 | Barrett Zubke | 49.51 | 9 | B Min | BB: 49.29 (+0.22s | 0.4%) | Sarasota Sharks | 06/19/2025 | 2025 Shark Open | |
| 178 | Adam Sherman | 49.56 | 9 | B Min | BB: 49.29 (+0.27s | 0.5%) | Lakewood Ranch Swim Associatio | 06/19/2025 | 2025 Shark Open | |
| 179 | Lockyer Landry | 49.59 | 9 | B Min | BB: 49.29 (+0.30s | 0.6%) | Treasure Coast Aquatics | 05/23/2025 | 2025 Dr Aspi Doctor Memorial Invitational | |
| 180 | Jack Griego | 49.62 | 8 | B Min | BB: 49.29 (+0.33s | 0.7%) | Waterloo Swimming | 06/22/2025 | 2025 ST WLOO LC Last Chance | |
| 181 | Julian Lee | 49.68 | 8 | B Min | BB: 49.29 (+0.39s | 0.8%) | Unattached | 04/05/2025 | EAJ Spring Into Long Course | |
| 182 | Zane Seifel | 49.70 | 9 | B Min | BB: 49.29 (+0.41s | 0.8%) | Indian River Aquatics | 05/23/2025 | 2025 Dr Aspi Doctor Memorial Invitational | |
| 183 | Sean Ning | 49.72 | 10 | B Min | BB: 49.29 (+0.43s | 0.9%) | YMCA of Central Florida | 06/12/2025 | 2025 RAFC Summer Solstice | |
| 184 | John Bloom | 49.80 | 8 | B Min | BB: 49.29 (+0.51s | 1.0%) | Sporting Jax Aquatic Club | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 185 | Thiago Ronda | 49.89 | 7 | B Min | BB: 49.29 (+0.60s | 1.2%) | Swim Florida | 05/23/2025 | 2025 Dr Aspi Doctor Memorial Invitational | |
| 186 | Cooper Lerch | 49.90 | 7 | B Min | BB: 49.29 (+0.61s | 1.2%) | Stingrays Swim Team | 07/11/2024 | 2024 RAYS Summer Awards | |
| 187 | Evan Johnson | 50.22 | 8 | B Min | BB: 49.29 (+0.93s | 1.9%) | Bolles School Sharks | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 188 | Jenson Beal | 50.23 | 7 | B Min | BB: 49.29 (+0.94s | 1.9%) | Sporting Jax Aquatic Club | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 189 | Seanan O'Neill | 50.26 | 9 | B Min | BB: 49.29 (+0.97s | 1.9%) | Sarasota Sharks | 05/16/2025 | 2025 SYS Memorial Meet | |
| 190 | Alex van den Berg | 50.27 | 8 | B Min | BB: 49.29 (+0.98s | 1.9%) | Swim Melbourne | 05/23/2025 | 2025 Dr Aspi Doctor Memorial Invitational | |
| 191 | Jayden Silveira | 50.40 | 9 | B Min | BB: 49.29 (+1.11s | 2.2%) | Fast Falcons | 06/20/2025 | 2025 FAST Independence Invitational | |
| 192 | Greyson Bobev | 50.40 | 8 | B Min | BB: 49.29 (+1.11s | 2.2%) | The Berkeley Barracudas | 06/06/2025 | 2025 TAMPA BAY SWIM CLASSIC | |
| 193 | Samik Dangol | 50.46 | 8 | B Min | BB: 49.29 (+1.17s | 2.3%) | Stingrays Swim Team | 06/14/2024 | SwimRVA Summer Invitational | |
| 194 | Udhiyan Gokulakrishnan | 50.58 | 6 | B Min | BB: 49.29 (+1.29s | 2.6%) | EL Paso Border Land Swim Team | 06/28/2024 | 2024 EPAP Jack White Classic | |
| 195 | Aiden Sanchez | 50.59 | 6 | B Min | BB: 49.29 (+1.30s | 2.6%) | Saint Petersburg Aquatics | 06/19/2025 | 2025 Shark Open | |
| 196 | Kent Johnson | 50.61 | 8 | B Min | BB: 49.29 (+1.32s | 2.6%) | Area Tallahassee Aquatic Club | 06/27/2025 | ATAC Long Course | |
| 197 | Riaan Purohit | 50.69 | 8 | B Min | BB: 49.29 (+1.40s | 2.8%) | Westlake Aquatic Facility | 06/08/2025 | 2025 ST TXLA 14 U Sprint Cup | |
| 198 | Aaron Kim | 50.70 | 8 | B Min | BB: 49.29 (+1.41s | 2.8%) | EL Paso Border Land Swim Team | 07/19/2024 | 2024 BD LCM Border Champs | |
| 199 | Ira Soto | 50.72 | 8 | B Min | BB: 49.29 (+1.43s | 2.8%) | Just Care Aquatics Tritons | 07/19/2024 | 2024 BD LCM Border Champs | |
| 200 | Giovanni Chairez | 50.75 | 9 | B Min | BB: 49.29 (+1.46s | 2.9%) | High Performance Aquatic Club | 04/26/2025 | 2025 HPAC Banana Slug Beach Bash | |
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.