USA Boys 10 & under - 50 M Breast
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 501 | Marcello Rinaldi | 53.18 | 10 | BB Min | A: 47.89 (+5.29s | 9.9%) | Minnetonka Swim Club | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 502 | Michael Ancona | 53.18 | 9 | BB Min | A: 47.89 (+5.29s | 9.9%) | Jupiter Dragons Swim Team | 05/08/2026 | 2026 Wellington May Long Course Meet | |
| 503 | Lucas Hernandez | 53.18 | 10 | BB Min | A: 47.89 (+5.29s | 9.9%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 504 | Kai McGovern | 53.18 | 10 | BB Min | A: 47.89 (+5.29s | 9.9%) | Hurricanes Swim Team | 05/15/2026 | 2026 MN HURR LC Spring Opener | |
| 505 | Joshua Webster | 53.19 | 9 | BB Min | A: 47.89 (+5.30s | 10.0%) | Minnetonka Swim Club | 05/08/2026 | 2026 MN STRM Spring Startup | |
| 506 | Leon Yan | 53.19 | 9 | BB Min | A: 47.89 (+5.30s | 10.0%) | Waterloo Swimming | 04/18/2026 | 2026 ST ASC LC Kickoff | |
| 507 | Marco Gonzalez | 53.20 | 10 | BB Min | A: 47.89 (+5.31s | 10.0%) | South Bay Aquatics | 06/20/2025 | 2025 SI SPLASH AND DASH | |
| 508 | Atharv Choubey | 53.20 | 9 | BB Min | A: 47.89 (+5.31s | 10.0%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 509 | Andrei Sanchez | 53.22 | 10 | BB Min | A: 47.89 (+5.33s | 10.0%) | Island Aquatics | 05/02/2026 | 2026 MAGSA LCM B 1 Meet | |
| 510 | Victor Lykho | 53.23 | 10 | BB Min | A: 47.89 (+5.34s | 10.0%) | Gulliver Swim Club | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 511 | Benjamin Verhoef | 53.27 | 9 | BB Min | A: 47.89 (+5.38s | 10.1%) | Bolles School Sharks | 04/10/2026 | 2026 April Classic | |
| 512 | David Son | 53.28 | 9 | BB Min | A: 47.89 (+5.39s | 10.1%) | Mission Aurora Colorado Swimmi | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 513 | Sameer Pai | 53.29 | 10 | BB Min | A: 47.89 (+5.40s | 10.1%) | Aquajets Swim Team | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 514 | James Ballard | 53.29 | 10 | BB Min | A: 47.89 (+5.40s | 10.1%) | Rochester Swim Club | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 515 | Joon Cha | 53.31 | 9 | BB Min | A: 47.89 (+5.42s | 10.2%) | Sunnyvale Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 516 | Oskaras Monkelis | 53.32 | 10 | BB Min | A: 47.89 (+5.43s | 10.2%) | West Florida Lightning Aquatic | 04/17/2026 | 2026 SAINT PETE S 1st LONG COURSE MEET | |
| 517 | Micah Kusbel | 53.33 | 10 | BB Min | A: 47.89 (+5.44s | 10.2%) | Unattached | 04/17/2026 | 1st Annual SAW Vs Streamline Fiesta Showdown | |
| 518 | Fletcher Sumner | 53.35 | 10 | BB Min | A: 47.89 (+5.46s | 10.2%) | Mission Aurora Colorado Swimmi | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 519 | Nicholas Brumaru | 53.39 | 9 | BB Min | A: 47.89 (+5.50s | 10.3%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 520 | Lazar Bursac | 53.39 | 9 | BB Min | A: 47.89 (+5.50s | 10.3%) | Blue Wave Swimming | 05/15/2026 | 2026 SAINT PETE S 2nd LONG COURSE MEET | |
| 521 | Samik Dangol | 53.39 | 9 | BB Min | A: 47.89 (+5.50s | 10.3%) | Stingrays Swim Team | 07/11/2024 | 2024 RAYS Summer Awards | |
| 522 | Felix Paulsen | 53.40 | 10 | BB Min | A: 47.89 (+5.51s | 10.3%) | Aulea Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 523 | Tatsumasa Sekine | 53.42 | 9 | BB Min | A: 47.89 (+5.53s | 10.4%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 524 | Marcus Stefan | 53.45 | 11 | BB Min | A: 47.89 (+5.56s | 10.4%) | Teamgoldusa | 06/21/2025 | NVST Last Chance AG Champs Summer Plunge 2025 | |
| 525 | Beau Jakubowski | 53.45 | 9 | BB Min | A: 47.89 (+5.56s | 10.4%) | Aces Swim Club | 06/06/2025 | 2025 CO NJ Summer Solstice Invitational | |
| 526 | Grayson King | 53.46 | 9 | BB Min | A: 47.89 (+5.57s | 10.4%) | Riptide Swim Team | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 527 | Lucas Pan | 53.47 | 9 | BB Min | A: 47.89 (+5.58s | 10.4%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 528 | Porter Pitti | 53.47 | 9 | BB Min | A: 47.89 (+5.58s | 10.4%) | Olympus Aquatics | 06/18/2025 | 2025 UT CHAT INVITATIONAL | |
| 529 | Evan Doong | 53.47 | 10 | BB Min | A: 47.89 (+5.58s | 10.4%) | Sunnyvale Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 530 | Austin Pham | 53.48 | 10 | BB Min | A: 47.89 (+5.59s | 10.5%) | Foothills Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 531 | Reid Kelly | 53.49 | 10 | BB Min | A: 47.89 (+5.60s | 10.5%) | Front Range Barracudas | 06/28/2025 | 2025 CO Greeley Stampede | |
| 532 | Ryan Hartmann | 53.49 | 9 | BB Min | A: 47.89 (+5.60s | 10.5%) | Lakewood Ranch Swim Associatio | 04/17/2026 | 2026 GCST Spring Open | |
| 533 | Flint Wright | 53.50 | 10 | BB Min | A: 47.89 (+5.61s | 10.5%) | SwimFast | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 534 | Finn Peters | 53.52 | 10 | BB Min | A: 47.89 (+5.63s | 10.5%) | Swim Florida | 05/23/2025 | 2025 T2 Aquatics Norris Foundation LC Meet | |
| 535 | Decker Sewell | 53.56 | 10 | BB Min | A: 47.89 (+5.67s | 10.6%) | Ski Hi Aquatics | 06/27/2025 | 2025 CO Alicia Leavitt Memorial Open | |
| 536 | Julius Voigt | 53.56 | 10 | BB Min | A: 47.89 (+5.67s | 10.6%) | Island Aquatics | 04/19/2026 | 2026 MAGSA LCM A1 Meet | |
| 537 | Thomas Nguyen | 53.56 | 10 | BB Min | A: 47.89 (+5.67s | 10.6%) | Cascade Swim Club | 09/21/2024 | 2024 PN CSC September Shakeout | |
| 538 | Evan Islip | 53.57 | 10 | BB Min | A: 47.89 (+5.68s | 10.6%) | Pacific Swim | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 539 | Gunnar Torres | 53.57 | 10 | BB Min | A: 47.89 (+5.68s | 10.6%) | Gold\\\\\\'s Aquatics Club (Camas) | 04/25/2026 | GACC Spring Invitational | |
| 540 | Yeim Jung | 53.58 | 10 | BB Min | A: 47.89 (+5.69s | 10.6%) | Wave Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 541 | Luke Song | 53.58 | 10 | BB Min | A: 47.89 (+5.69s | 10.6%) | Tri-city Channel Cats | 07/25/2025 | 2025 IES LC CHAMPIONSHIPS | |
| 542 | Lukas Fort | 53.61 | 9 | BB Min | A: 47.89 (+5.72s | 10.7%) | Bainbridge Island Swim Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 543 | River Wilkinson | 53.61 | 9 | BB Min | A: 47.89 (+5.72s | 10.7%) | North Coast Aquatics | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 544 | Kent Johnson | 53.63 | 9 | BB Min | A: 47.89 (+5.74s | 10.7%) | Area Tallahassee Aquatic Club | 06/06/2025 | 2025 MAKOS Summer Splash | |
| 545 | Luke Xu | 53.64 | 8 | BB Min | A: 47.89 (+5.75s | 10.7%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 546 | George Peters | 53.66 | 10 | BB Min | A: 47.89 (+5.77s | 10.8%) | Rochester Swim Club | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 547 | Charlie Vazac | 53.67 | 9 | BB Min | A: 47.89 (+5.78s | 10.8%) | St Croix Swim Club | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 548 | Kyle Wang | 53.67 | 10 | BB Min | A: 47.89 (+5.78s | 10.8%) | Freedom Aquatics | 08/06/2025 | 2025 Summer Elite Showcase | |
| 549 | Brody Dennis | 53.68 | 10 | BB Min | A: 47.89 (+5.79s | 10.8%) | Foxjets Swim Team | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 550 | Faddey Nosenko | 53.69 | 10 | BB Min | A: 47.89 (+5.80s | 10.8%) | Planet Swim Aquatics | 05/16/2026 | 2026 PSA May 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.