USA Boys 10 & under - 50 M Back
These rankings show the swimmers' placement within the United States.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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2301 | Alex Park-sandoval | 1:11.97 | 9 | B: 55.39 (+16.58s | 23.0%) | San Benito Aquatics | 05/18/2024 | San Benito Aquatics C B A+ | ||
| 2302 | Lincoln Messenger | 1:11.99 | 7 | B: 55.39 (+16.60s | 23.1%) | Voltage Aquatics | 07/18/2025 | 2025 LCM Summer Championships | ||
| 2303 | Lawton Hinderer | 1:12.00 | 8 | B: 55.39 (+16.61s | 23.1%) | Velocity Swimming | 06/20/2025 | 2025 IE VS Starlight Open | ||
| 2304 | August Krygier | 1:12.09 | 10 | B: 55.39 (+16.70s | 23.2%) | Palo Alto Stanford Aquatics | 05/18/2024 | PASA Mayhem LCM Meet | ||
| 2305 | Kingston Cloud | 1:12.13 | 10 | B: 55.39 (+16.74s | 23.2%) | Carrollwood Village Swim Team | 06/06/2025 | 2025 TAMPA BAY SWIM CLASSIC | ||
| 2306 | Zion Chang | 1:12.13 | 9 | B: 55.39 (+16.74s | 23.2%) | Palo Alto Stanford Aquatics | 05/24/2025 | 2025 Mike Snyder Memorial | ||
| 2307 | Maximino Bonilla | 1:12.15 | 9 | B: 55.39 (+16.76s | 23.2%) | Waterloo Swimming | 04/27/2025 | 2025 ST WLOO Waterloo Classic | ||
| 2308 | Colin Eckhart | 1:12.17 | 10 | B: 55.39 (+16.78s | 23.3%) | Sarasota Sharks | 06/19/2025 | 2025 Shark Open | ||
| 2309 | Samuel Vito | 1:12.18 | 9 | B: 55.39 (+16.79s | 23.3%) | Durango Swim Club | 07/11/2025 | 2025 CO Western Slope LeagueChampionships | ||
| 2310 | Theodore Sitz | 1:12.19 | 9 | B: 55.39 (+16.80s | 23.3%) | Fallbrook Assoc Swim T | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | ||
| 2311 | Nathan Jenkins | 1:12.20 | 10 | B: 55.39 (+16.81s | 23.3%) | Sporting Jax Aquatic Club | 05/23/2025 | EAJ Mayhem 2025 | ||
| 2312 | Mason Joseph | 1:12.21 | 10 | B: 55.39 (+16.82s | 23.3%) | Sarasota Sharks | 05/16/2025 | 2025 SYS Memorial Meet | ||
| 2313 | Maxx Yu | 1:12.26 | 10 | B: 55.39 (+16.87s | 23.3%) | South San Francisco Aquatics | 04/19/2025 | Alto Spring Jam Meet | ||
| 2314 | Erik Gaona | 1:12.27 | 8 | B: 55.39 (+16.88s | 23.4%) | Swim Houston Aquatics Center | 06/20/2025 | 2025 ST AAAA NS George Block Invite | ||
| 2315 | Siwon Kim | 1:12.39 | 10 | B: 55.39 (+17.00s | 23.5%) | Life Time Michigan Swim Team | 11/25/2025 | November 2025 Life Time Michigan Intersquad | ||
| 2316 | Levi San Pedro | 1:12.40 | 7 | B: 55.39 (+17.01s | 23.5%) | South Bay Aquatics | 07/11/2025 | 2025 SI SDSA All Ages NTS Meet | ||
| 2317 | Trishiv Singh | 1:12.45 | 10 | B: 55.39 (+17.06s | 23.5%) | Sailfish | 05/04/2025 | 2025 ST TXLA 10 U End Of School Splash | ||
| 2318 | Philip Mansfield | 1:12.52 | 10 | B: 55.39 (+17.13s | 23.6%) | Lehi Aquatics | 08/01/2025 | 2025 LC Beehive Finale | ||
| 2319 | Connor DeMille | 1:12.55 | 9 | B: 55.39 (+17.16s | 23.7%) | Tide Swimming | 06/07/2024 | 2024 TIDE Swimming Schools Out Classic | ||
| 2320 | Adrian Basobas | 1:12.58 | 10 | B: 55.39 (+17.19s | 23.7%) | Brownsville Aquatics | 05/17/2025 | 2025 ST LC BAS May Swim Meet | ||
| 2321 | Elias Damkjer | 1:12.87 | 9 | B: 55.39 (+17.48s | 24.0%) | Brevard Swim Club | 05/03/2025 | TCSC Go For The Gold Invitational | ||
| 2322 | Harrison Somerville | 1:12.88 | 9 | B: 55.39 (+17.49s | 24.0%) | Saint Petersburg Aquatics | 05/16/2025 | 2025 SAINT PETE S 2nd LONG COURSE MEET | ||
| 2323 | Marcus Wright | 1:12.88 | 7 | B: 55.39 (+17.49s | 24.0%) | Lone Star Aquatic Club | 07/03/2025 | 2025 ST LSAC Ultimate Time Trial (LCM) | ||
| 2324 | Charles Fukuma | 1:12.97 | 10 | B: 55.39 (+17.58s | 24.1%) | South Valley Makos | 05/18/2024 | San Benito Aquatics C B A+ | ||
| 2325 | Ryan Ream | 1:13.04 | 9 | B: 55.39 (+17.65s | 24.2%) | Reno Aquatic Club | 06/21/2024 | Reno Aquatic Club Gamble | ||
| 2326 | Henry Birdsall | 1:13.07 | 9 | B: 55.39 (+17.68s | 24.2%) | Down East Family YMCA | 07/11/2024 | 2024 ME 3rd Annual LCM Championships | ||
| 2327 | Brayden Hughes | 1:13.11 | 8 | B: 55.39 (+17.72s | 24.2%) | Treasure Coast Swimming | 05/03/2025 | TCSC Go For The Gold Invitational | ||
| 2328 | Ethan Mazzitti | 1:13.14 | 8 | B: 55.39 (+17.75s | 24.3%) | 757swim | 04/20/2024 | 757Swim Spring Challenge | ||
| 2329 | Colin Chuang | 1:13.17 | 10 | B: 55.39 (+17.78s | 24.3%) | Palo Alto Stanford Aquatics | 06/06/2025 | BAC C B A Meet | ||
| 2330 | Alexander Hunley | 1:13.18 | 8 | B: 55.39 (+17.79s | 24.3%) | 757swim | 04/20/2024 | 757Swim Spring Challenge | ||
| 2331 | Jr. Lindsey | 1:13.26 | 9 | B: 55.39 (+17.87s | 24.4%) | Saint Petersburg Aquatics | 05/16/2025 | 2025 SAINT PETE S 2nd LONG COURSE MEET | ||
| 2332 | Owen Mast | 1:13.27 | 9 | B: 55.39 (+17.88s | 24.4%) | Quicksilver Swimming | 05/22/2024 | Zone 1S Micro Meet SJ1 (Host QSS) | ||
| 2333 | Parth Sinha | 1:13.35 | 10 | B: 55.39 (+17.96s | 24.5%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | ||
| 2334 | Levi Liechty | 1:13.40 | 9 | B: 55.39 (+18.01s | 24.5%) | Sweet Home Swim Club, Inc. | 05/02/2025 | 2025 AAA May LC Invitational | ||
| 2335 | Ford Falconer | 1:13.42 | 10 | B: 55.39 (+18.03s | 24.6%) | Greenwood Tiger Sharks | 04/13/2025 | 2025 CO NJ Spring LC Tri Meet | ||
| 2336 | Marco Costea | 1:13.42 | 10 | B: 55.39 (+18.03s | 24.6%) | Cascadia Swimming | 11/02/2024 | Oregon City Fall Open 2024 | ||
| 2337 | Ryan Okun | 1:13.44 | 9 | B: 55.39 (+18.05s | 24.6%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | ||
| 2338 | Mark Zhang | 1:13.44 | 10 | B: 55.39 (+18.05s | 24.6%) | Gilroy Gators Swim Team | 05/18/2024 | San Benito Aquatics C B A+ | ||
| 2339 | Quan Pham | 1:13.55 | 9 | B: 55.39 (+18.16s | 24.7%) | Sailfish | 05/04/2025 | 2025 ST TXLA 10 U End Of School Splash | ||
| 2340 | Grayson Gross | 1:13.57 | 8 | B: 55.39 (+18.18s | 24.7%) | Watertown Area Swim Club | 06/20/2025 | 2025 Splash Central Invitational | ||
| 2341 | James McAlister | 1:13.68 | 10 | B: 55.39 (+18.29s | 24.8%) | Seattle Metropolitan Aquatic C | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | ||
| 2342 | Logan Dobbs | 1:13.69 | 8 | B: 55.39 (+18.30s | 24.8%) | Falfins Swimming | 07/12/2025 | 2025 CO Southern Colorado LC Championship | ||
| 2343 | Stefan Kapsali | 1:13.74 | 8 | B: 55.39 (+18.35s | 24.9%) | Sporting Jax Aquatic Club | 05/23/2025 | EAJ Mayhem 2025 | ||
| 2344 | Eason Shi | 1:13.74 | 9 | B: 55.39 (+18.35s | 24.9%) | Milpitas Aquatic Club | 05/23/2025 | Zone 1 South May Firecracker 500 | ||
| 2345 | Grant Rico | 1:13.79 | 10 | B: 55.39 (+18.40s | 24.9%) | Cascade Swim Club | 09/20/2025 | 2025 PN CSC September Shakeout | ||
| 2346 | Chase Rich | 1:13.82 | 7 | B: 55.39 (+18.43s | 25.0%) | Greater Tampa Swim Association | 05/03/2025 | 2025 TYR LCM Stingrays Meet | ||
| 2347 | Cal Willey | 1:13.87 | 10 | B: 55.39 (+18.48s | 25.0%) | Humboldt Swim Club | 04/19/2024 | VJO Long Spring Thaw C B A+ 2024 | ||
| 2348 | Brandon Lowery | 1:13.88 | 10 | B: 55.39 (+18.49s | 25.0%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | ||
| 2349 | Spencer Kay | 1:13.89 | 7 | B: 55.39 (+18.50s | 25.0%) | Legacy Aquatics | 11/02/2024 | Oregon City Fall Open 2024 | ||
| 2350 | Zane Selby | 1:13.94 | 8 | B: 55.39 (+18.55s | 25.1%) | Red River Valley Wahoos | 06/06/2025 | 2025 BSC Summer Splash | ||
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.