USA Boys 10 & under - 50 Y 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3051 | Eugene McCarthy | 49.39 | 10 | B Min | BB: 47.69 (+1.70s | 3.4%) | Mighty Marlins Swim Club | 10/11/2025 | 2025 PN MMSC Fall Invite | |
| 3052 | Corey Kan | 49.40 | 8 | B Min | BB: 47.69 (+1.71s | 3.5%) | Hydra Aquatics | 11/21/2025 | 2025 Fall Festivus | |
| 3053 | Wyatt Whitt | 49.40 | 9 | B Min | BB: 47.69 (+1.71s | 3.5%) | Quest Swimming | 09/19/2025 | Quest Swimming Kickoff Intrasquad | |
| 3054 | Connor Pollak | 49.40 | 10 | B Min | BB: 47.69 (+1.71s | 3.5%) | York Swim Club of Northern Vir | 03/20/2026 | March Madness 2026 | |
| 3055 | Wattson Hofmann | 49.40 | 10 | B Min | BB: 47.69 (+1.71s | 3.5%) | Stayton Manta Rays Inc | 02/22/2025 | 2025 Arena Short Course 10 U Championships | |
| 3056 | Finneran Chen | 49.40 | 10 | B Min | BB: 47.69 (+1.71s | 3.5%) | Chinook Aquatic Club | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 3057 | Vince Cho | 49.41 | 9 | B Min | BB: 47.69 (+1.72s | 3.5%) | Maywood Sparks Swim Team | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 3058 | Lucas Grau | 49.41 | 10 | B Min | BB: 47.69 (+1.72s | 3.5%) | SwimRight Team | 11/01/2025 | Piranhas Turkey Classic 2025 | |
| 3059 | Zakhar Biliavskyi | 49.41 | 8 | B Min | BB: 47.69 (+1.72s | 3.5%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 3060 | Andrew Jimenez | 49.41 | 10 | B Min | BB: 47.69 (+1.72s | 3.5%) | Tampa Bay Aquatics | 02/27/2026 | 2026 Spring Area 3 Championships | |
| 3061 | Cameron Lee | 49.42 | 10 | B Min | BB: 47.69 (+1.73s | 3.5%) | Usf Youth Swimming | 07/19/2025 | 2025 DACA SC CBA Meet | |
| 3062 | Zachary Anderson | 49.42 | 9 | B Min | BB: 47.69 (+1.73s | 3.5%) | Razor Aquatics | 03/07/2026 | 2026 Lake Erie Regional Meet | |
| 3063 | Isaac Clegg | 49.42 | 9 | B Min | BB: 47.69 (+1.73s | 3.5%) | Gbsa - Greater Baltimore Swim | 11/14/2025 | GBSA 2025 Thanksgiving Swim Fest | |
| 3064 | Jack Judkins | 49.42 | 10 | B Min | BB: 47.69 (+1.73s | 3.5%) | Swim Gators Str | 03/07/2026 | 2026 Lake Huron Regional Meet | |
| 3065 | Diego Pisoni | 49.42 | 9 | B Min | BB: 47.69 (+1.73s | 3.5%) | Neptune Swimming | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | |
| 3066 | Alec Henriques | 49.42 | 10 | B Min | BB: 47.69 (+1.73s | 3.5%) | Napa Valley Swim Team | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 3067 | Han Song | 49.43 | 10 | B Min | BB: 47.69 (+1.74s | 3.5%) | Sarasota Sharks | 02/27/2026 | 2026 T2 Area 5 Championships | |
| 3068 | Cameron Spencer | 49.43 | 9 | B Min | BB: 47.69 (+1.74s | 3.5%) | Condors Swim Club | 02/06/2026 | 2026 MR COND Last Chance Invitational | |
| 3069 | Shri Navaneetha | 49.43 | 10 | B Min | BB: 47.69 (+1.74s | 3.5%) | Blazing Barracudas | 02/19/2026 | 2026 OH Cleveland SC Regional Championships | |
| 3070 | Charles Dick | 49.43 | 10 | B Min | BB: 47.69 (+1.74s | 3.5%) | Sharks Aquatic Club | 03/07/2026 | RCST Pirate S Gold | |
| 3071 | Mikhail Schensnovich | 49.43 | 10 | B Min | BB: 47.69 (+1.74s | 3.5%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 3072 | Benjamin Teems | 49.44 | 10 | B Min | BB: 47.69 (+1.75s | 3.5%) | Club Wolverine | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 3073 | Oliver Anderson | 49.44 | 10 | B Min | BB: 47.69 (+1.75s | 3.5%) | Portland Porpoise Swim Club | 01/30/2026 | 2026 NE GS Silver Championships | |
| 3074 | Liam Deibert | 49.44 | 9 | B Min | BB: 47.69 (+1.75s | 3.5%) | Greater Omaha Aquatics Leopard | 02/20/2026 | 2026 MW Midwestern Age Group Short Course | |
| 3075 | Mark Perelman | 49.44 | 8 | B Min | BB: 47.69 (+1.75s | 3.5%) | Staten Island Aquatics Club | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 3076 | Axel Radstrom | 49.44 | 9 | B Min | BB: 47.69 (+1.75s | 3.5%) | Pacific Coast Marlins | 11/08/2025 | TCA PC November SC C B A+ | |
| 3077 | Joshua Lung | 49.45 | 10 | B Min | BB: 47.69 (+1.76s | 3.6%) | Unattached | 01/10/2026 | 2026 Clovis Swim Club Winter Open | |
| 3078 | Knox Brown | 49.45 | 9 | B Min | BB: 47.69 (+1.76s | 3.6%) | YMCA Fairfax County Reston | 10/04/2025 | 2025 Harvest Moon Invitational | |
| 3079 | Augustine Nelson | 49.45 | 10 | B Min | BB: 47.69 (+1.76s | 3.6%) | Atlantis Swimming | 01/31/2026 | 2026 Guppy Bowl | |
| 3080 | Samuel Beach | 49.45 | 10 | B Min | BB: 47.69 (+1.76s | 3.6%) | Arena Club Aquatics | 10/17/2025 | 2025 NBAC Fall Fastival Meet | |
| 3081 | Cameron Em | 49.45 | 10 | B Min | BB: 47.69 (+1.76s | 3.6%) | Rockville Montgomery Swim Club | 02/13/2026 | 39th Black History Swim Meet | |
| 3082 | August McGuire | 49.46 | 8 | B Min | BB: 47.69 (+1.77s | 3.6%) | Club Wolverine | 01/16/2026 | SLA Arctic Blast 2026 | |
| 3083 | Michael Han | 49.46 | 9 | B Min | BB: 47.69 (+1.77s | 3.6%) | Mei\\\\\\'s Typhoons Swimming Club | 03/13/2026 | 2026 NE INST NE Cup | |
| 3084 | Nathaniel Haley | 49.46 | 9 | B Min | BB: 47.69 (+1.77s | 3.6%) | North Shore Swim Club | 04/04/2026 | 2026 NE NSSC Sprint Meet | |
| 3085 | Brian Shi | 49.47 | 10 | B Min | BB: 47.69 (+1.78s | 3.6%) | Spartan Aquatic Club | 03/07/2026 | 2026 Lake Erie Regional Meet | |
| 3086 | John Stetson | 49.47 | 10 | B Min | BB: 47.69 (+1.78s | 3.6%) | Bolles School Sharks | 10/11/2024 | October Spook Out | |
| 3087 | Neel Ramani | 49.47 | 10 | B Min | BB: 47.69 (+1.78s | 3.6%) | Romulus Torpedoes Swim Club | 11/21/2025 | 2025 SST Fall Classic | |
| 3088 | Bradley Kirtley | 49.48 | 10 | B Min | BB: 47.69 (+1.79s | 3.6%) | Battlefield Area Star Swimmers | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 3089 | Finn Winchell | 49.48 | 10 | B Min | BB: 47.69 (+1.79s | 3.6%) | Lowes YMCA Lightning Swim Team | 11/15/2025 | YBAC Fall Invite 25 | |
| 3090 | Leo Grace | 49.49 | 8 | B Min | BB: 47.69 (+1.80s | 3.6%) | Coeur D\\\\\\'alene Area Swim Team | 11/21/2025 | 2025 Adam England Memorial Fall Splash | |
| 3091 | Sullivan White-Stielstra | 49.49 | 10 | B Min | BB: 47.69 (+1.80s | 3.6%) | San Gabriel Aquatics | 01/17/2026 | 2026 ST AQTX B Champs North | |
| 3092 | Charlie Wheeler | 49.50 | 10 | B Min | BB: 47.69 (+1.81s | 3.7%) | Longmont Swim Club | 01/16/2026 | 2026 CO CUDA Classic | |
| 3093 | Harry Gong | 49.50 | 10 | B: 43.49 (+6.01s | 12.1%) | Columbia Aquatics Association | 11/14/2025 | GBSA 2025 Thanksgiving Swim Fest | ||
| 3094 | Luiz Laurentino | 49.50 | 10 | B Min | BB: 47.69 (+1.81s | 3.7%) | YMCA of the Triangle Area Swim | 09/28/2025 | 2025 YOTA Intrasquad Meet | |
| 3095 | Mindao Zhu | 49.50 | 9 | B Min | BB: 47.69 (+1.81s | 3.7%) | Piranhas YMCA of the Suncoast | 03/05/2026 | 2026 Florida Swimming FLAGS SOUTH | |
| 3096 | Kaiden McGinnis | 49.50 | 10 | B Min | BB: 47.69 (+1.81s | 3.7%) | Kamehameha Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 3097 | Henry Ward | 49.50 | 10 | B Min | BB: 47.69 (+1.81s | 3.7%) | Cavalier Aquatics/Piedmont Fam | 01/31/2026 | LY Vs CA Y January Dual | |
| 3098 | Kynan Wiseman | 49.50 | 10 | B Min | BB: 47.69 (+1.81s | 3.7%) | Longmont Swim Club | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 3099 | Andrew Pattison | 49.50 | 10 | B Min | BB: 47.69 (+1.81s | 3.7%) | Carolina Aquatic Team | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 3100 | Matias Jimenez | 49.50 | 10 | B Min | BB: 47.69 (+1.81s | 3.7%) | T2 Aquatics | 02/27/2026 | 2026 T2 Area 5 Championships | |
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.