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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2451 | Rex Landry | 51.03 | 9 | B Min | BB: 49.29 (+1.74s | 3.4%) | Treasure Coast Aquatics | 05/22/2026 | 2026 Dr Aspi Doctor Memorial Swim Invite | |
| 2452 | James Gillis | 51.03 | 10 | B Min | BB: 49.29 (+1.74s | 3.4%) | YMCA of the Triangle Area Swim | 05/15/2026 | 2026 EAC Memorial Invite | |
| 2453 | Adrian Winter | 51.03 | 9 | B Min | BB: 49.29 (+1.74s | 3.4%) | Miller Swim Club | 07/24/2026 | 2026 SD Long Course State Championship | |
| 2454 | Lorenzo Rosa Ibanez | 51.03 | 8 | B Min | BB: 49.29 (+1.74s | 3.4%) | Minnetonka Swim Club | 06/05/2026 | 2026 MN NSAC Summer Invite | |
| 2455 | Bryan Zhao | 51.04 | 9 | B Min | BB: 49.29 (+1.75s | 3.4%) | Columbia Aquatics Association | 04/17/2026 | 2026 CAC Spring Swimming To The 80's LCM Sw | |
| 2456 | Knox Turnipseed | 51.04 | 9 | B Min | BB: 49.29 (+1.75s | 3.4%) | Streamline Aquatics | 06/11/2026 | 2026 ST NIST George Block Invitational | |
| 2457 | Itai Nadav | 51.04 | 10 | B Min | BB: 49.29 (+1.75s | 3.4%) | Palo Alto Stanford Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 2458 | Samuel Olvera | 51.05 | 9 | B Min | BB: 49.29 (+1.76s | 3.4%) | Boerne Elite Aquatics | 04/18/2026 | 2026 ST ASC LC Kickoff | |
| 2459 | Luke Jeong | 51.05 | 9 | B Min | BB: 49.29 (+1.76s | 3.4%) | Auburn Aquatics | 04/25/2026 | 2026 SE Jimi Flowers Spring Splash Copied | |
| 2460 | Isidore Harris | 51.05 | 8 | B Min | BB: 49.29 (+1.76s | 3.4%) | Nova of Virginia | 06/25/2026 | LC Central District Champs | |
| 2461 | Ziyi Yang | 51.06 | 9 | B Min | BB: 49.29 (+1.77s | 3.5%) | Shawmut Aquatic Club | 05/16/2026 | 2026 NE CS Spring Fever | |
| 2462 | Layton Boots | 51.06 | 9 | B Min | BB: 49.29 (+1.77s | 3.5%) | Sioux Falls Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | |
| 2463 | Colin Lan | 51.06 | 8 | B Min | BB: 49.29 (+1.77s | 3.5%) | Tnt Swimming | 05/02/2026 | 2026 GPAC Flip Flop Invitational | |
| 2464 | Daniel Brown | 51.06 | 10 | B Min | BB: 49.29 (+1.77s | 3.5%) | Episcopal AmberJax | 06/26/2026 | 2026 Planet Swim Summer Championships | |
| 2465 | Kaid Petersen | 51.07 | 8 | B Min | BB: 49.29 (+1.78s | 3.5%) | Port Angeles Swim Club | 07/10/2026 | 2026 Sizzlin Summer Splash Copied | |
| 2466 | Lukas Bergman | 51.09 | 9 | B Min | BB: 49.29 (+1.80s | 3.5%) | Rushmore Swim Team | 07/18/2025 | 2025 SD State Long Course Meet | |
| 2467 | Robert Karpenko | 51.09 | 8 | B Min | BB: 49.29 (+1.80s | 3.5%) | University Place Aquatic Club | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 2468 | Alexander Jewison | 51.09 | 7 | B Min | BB: 49.29 (+1.80s | 3.5%) | Nova of Virginia | 06/25/2026 | LC Central District Champs | |
| 2469 | Odin Otterstrom | 51.10 | 10 | B Min | BB: 49.29 (+1.81s | 3.5%) | Aquawolves Swimming | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 2470 | Grayson Horne | 51.10 | 9 | B Min | BB: 49.29 (+1.81s | 3.5%) | Racer X Aquatics | 06/12/2025 | Holtrey Summer Classic | |
| 2471 | Colin Kershner | 51.10 | 10 | B Min | BB: 49.29 (+1.81s | 3.5%) | Greenwood Tiger Sharks | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 2472 | Vaughn Mahl | 51.10 | 9 | B Min | BB: 49.29 (+1.81s | 3.5%) | T2 Aquatics | 05/22/2026 | 2026 T2 Aquatics Norris Foundation LC Meet | |
| 2473 | Quinn Sengpiel | 51.10 | 10 | B Min | BB: 49.29 (+1.81s | 3.5%) | La Crosse Area Family YMCA Swi | 05/30/2026 | 2026 MN RSC Summer Jam | |
| 2474 | Avri Dorn | 51.11 | 10 | B Min | BB: 49.29 (+1.82s | 3.6%) | Calvert Aquatics Club | 04/17/2026 | 2026 CAC Spring Swimming To The 80's LCM Sw | |
| 2475 | Jackson Scott | 51.11 | 10 | B Min | BB: 49.29 (+1.82s | 3.6%) | Coast Gaurd Blue Dolphins | 05/15/2026 | 2026 NCAC Meet On The Hill | |
| 2476 | Rowan Rothman | 51.11 | 7 | B Min | BB: 49.29 (+1.82s | 3.6%) | Evergreen Hurricanes | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 2477 | Evan Brown | 51.11 | 9 | B Min | BB: 49.29 (+1.82s | 3.6%) | One Aquatics | 07/31/2026 | 2026 NE NSSC New England Summer Championship | |
| 2478 | Bennett Calliham | 51.12 | 9 | B Min | BB: 49.29 (+1.83s | 3.6%) | Loveland Swim Club | 06/27/2026 | 2026 CO Greeley Stampede | |
| 2479 | Reyansh Soni | 51.12 | 10 | B Min | BB: 49.29 (+1.83s | 3.6%) | Crimson Aquatics | 04/11/2026 | 2026 NE CS Season Opener | |
| 2480 | Isaiah Burdett | 51.12 | 9 | B Min | BB: 49.29 (+1.83s | 3.6%) | Waves Of Wilmington Inc | 04/25/2026 | 2026 WAVE Sprint Into LC | |
| 2481 | Aiden Bajracharya | 51.12 | 9 | B Min | BB: 49.29 (+1.83s | 3.6%) | Tac Titans | 07/24/2026 | 2026 TAC TITANS Closeout Meet | |
| 2482 | Paul Johnston | 51.12 | 10 | B Min | BB: 49.29 (+1.83s | 3.6%) | Williamsburg Aquatic Club | 04/17/2026 | NOVA Long Course Kick Off | |
| 2483 | Jeffrey Lou | 51.13 | 9 | B Min | BB: 49.29 (+1.84s | 3.6%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 2484 | Arthur Prucha | 51.14 | 9 | B Min | BB: 49.29 (+1.85s | 3.6%) | Orca Aquatics | 05/30/2026 | 2026 NE RIAC Sail Away On The Ferry | |
| 2485 | Nathaniel Haley | 51.14 | 10 | B Min | BB: 49.29 (+1.85s | 3.6%) | North Shore Swim Club | 07/31/2026 | 2026 NE NSSC New England Summer Championship | |
| 2486 | Jude Foote | 51.14 | 9 | B Min | BB: 49.29 (+1.85s | 3.6%) | Hilltop Aquatic Swim Team | 08/01/2025 | 2025 LC Beehive Finale | |
| 2487 | Kevin Liu | 51.14 | 10 | B Min | BB: 49.29 (+1.85s | 3.6%) | Arctic Aquatics | 05/08/2026 | 2026 NE CRA MIT Team Specialty LC Meet | |
| 2488 | Logan Stone | 51.14 | 9 | B Min | BB: 49.29 (+1.85s | 3.6%) | United Swim Club | 05/15/2026 | 2026 NE YNS May Specialty Meet | |
| 2489 | Myles Self | 51.14 | 9 | B Min | BB: 49.29 (+1.85s | 3.6%) | YMCA of the Triangle Area Swim | 04/24/2026 | 2026 RSA Warm Up To LC Copied Copied | |
| 2490 | Hudson Bratton | 51.15 | 10 | B Min | BB: 49.29 (+1.86s | 3.6%) | Lakeside Swim Team | 07/09/2026 | 46th Annual Seahawk Invitational | |
| 2491 | Aaron Yang | 51.16 | 10 | B Min | BB: 49.29 (+1.87s | 3.7%) | Wave Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 2492 | Oliver Parrish | 51.17 | 10 | B Min | BB: 49.29 (+1.88s | 3.7%) | Northern KY Clippers | 06/05/2026 | 25th Annual CLPR David Webb Meet | |
| 2493 | Avyukth Aravind | 51.17 | 9 | B Min | BB: 49.29 (+1.88s | 3.7%) | YMCA Fairfax County Reston | 04/11/2026 | 2026 Fox April Long Course Invitational | |
| 2494 | Felix Jackson | 51.18 | 9 | B Min | BB: 49.29 (+1.89s | 3.7%) | Tualatin Hills Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 2495 | Joseph Hanik | 51.18 | 9 | B Min | BB: 49.29 (+1.89s | 3.7%) | Fairfax Foxes Swimming | 04/26/2024 | 2024 Helen Wang Sunflower Classic | |
| 2496 | Colin Iamtsun | 51.20 | 8 | B Min | BB: 49.29 (+1.91s | 3.7%) | Rockingham Area Youth Swimming | 07/11/2026 | 2026 NE YNS July Last Chance Meet | |
| 2497 | Jeremy Pei | 51.20 | 10 | B Min | BB: 49.29 (+1.91s | 3.7%) | Columbia River Swim Team | 05/16/2026 | 2026 TEAM Showdown | |
| 2498 | Charlie Zink | 51.21 | 10 | B Min | BB: 49.29 (+1.92s | 3.7%) | Old Dominion Aquatic Club | 06/05/2026 | 2026 TIDE Schools Out Classic | |
| 2499 | Alex Wu | 51.21 | 7 | B Min | BB: 49.29 (+1.92s | 3.7%) | Santa Clara Swim Club | 06/20/2026 | Zone 1 South Swim Under The Stars | |
| 2500 | Alexander Kolpakov | 51.21 | 9 | B Min | BB: 49.29 (+1.92s | 3.7%) | Tide Swimming | 06/05/2026 | 2026 TIDE Schools Out Classic | |
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.