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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4101 | Owen Richards | 51.63 | 9 | B Min | BB: 47.69 (+3.94s | 7.6%) | Heartland Swim Assoc | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 4102 | Mason Messina | 51.63 | 10 | B Min | BB: 47.69 (+3.94s | 7.6%) | Asphalt Green Unified Aquatics | 01/17/2026 | 2026 MR AGUA MLK Invitational | |
| 4103 | Felix Wang | 51.63 | 10 | B Min | BB: 47.69 (+3.94s | 7.6%) | Eastside Aquatic Swim Team | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 4104 | Henry Odean | 51.64 | 9 | B Min | BB: 47.69 (+3.95s | 7.6%) | Nitro Swimming | 02/01/2025 | 2025 ST NTRO Fiery Flames Meet | |
| 4105 | Liam Adrian | 51.64 | 9 | B Min | BB: 47.69 (+3.95s | 7.6%) | Multnomah Athletic Club | 02/06/2026 | 2026 Forest Grove Coast Range Qualifier | |
| 4106 | Cyrus Noorzai | 51.64 | 10 | B Min | BB: 47.69 (+3.95s | 7.6%) | Monocacy Aquatic Club | 11/01/2025 | 2025 Bridget Vache Memorial MAC Fall Frenzy | |
| 4107 | Ben Engelmann | 51.64 | 10 | B Min | BB: 47.69 (+3.95s | 7.6%) | Raleigh Swimming Association | 10/11/2025 | 2025 CAT Rock The Block | |
| 4108 | Benjamin Martins | 51.65 | 9 | B Min | BB: 47.69 (+3.96s | 7.7%) | Aces Aquatics | 01/10/2026 | 2026 NE CS Winter Classic | |
| 4109 | Kannon Pinto | 51.65 | 8 | B Min | BB: 47.69 (+3.96s | 7.7%) | Bergen Barracudas Swim Team | 01/23/2026 | 2026 MR HAWKS AD Trials And Finals | |
| 4110 | Adam Bonnefon | 51.66 | 10 | B Min | BB: 47.69 (+3.97s | 7.7%) | Nitro Swimming | 01/31/2026 | 2026 ST NTRO Fiery Flames | |
| 4111 | Tobias Drazin | 51.66 | 9 | B Min | BB: 47.69 (+3.97s | 7.7%) | Atlantis Swimming | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | |
| 4112 | Evan Schmiedeknecht | 51.66 | 10 | B Min | BB: 47.69 (+3.97s | 7.7%) | Muskegon YMCA Swim Team | 02/21/2026 | 2026 Michigan YMCA Clusters Championship | |
| 4113 | Alex Chen | 51.66 | 9 | B Min | BB: 47.69 (+3.97s | 7.7%) | Seattle Metropolitan Aquatic C | 11/16/2025 | 2025 PN PAC Q Meet | |
| 4114 | Chance Tan Nelson | 51.66 | 9 | B Min | BB: 47.69 (+3.97s | 7.7%) | Olympic Cascade Aquatics | 02/27/2026 | 2026 PN February AGI, Div 3 Approved | |
| 4115 | Elliott Poe Brown | 51.66 | 8 | B Min | BB: 47.69 (+3.97s | 7.7%) | Burlingame Aquatics | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 4116 | Chance Tan Nelson | 51.66 | 9 | B Min | BB: 47.69 (+3.97s | 7.7%) | West Coast Aquatics | 02/27/2026 | 2026 PN Feb Age Group Invite,Div 3 Approved | |
| 4117 | Asher Struble | 51.67 | 10 | B Min | BB: 47.69 (+3.98s | 7.7%) | YMCA East Hampton Hurricanes | 01/30/2026 | 2026 MR SSC Polar Bear Plunge | |
| 4118 | James Casterton | 51.67 | 9 | B Min | BB: 47.69 (+3.98s | 7.7%) | Mantas Swim Club | 03/15/2025 | 2025 MN FOXJ Short Course 10 U State Champion | |
| 4119 | Piradon Pukrittayakamee | 51.68 | 9 | B Min | BB: 47.69 (+3.99s | 7.7%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 4120 | Vincent Kozisek | 51.68 | 10 | B Min | BB: 47.69 (+3.99s | 7.7%) | Swim Omaha | 03/14/2026 | 2026 BLCK MW SO ACE Shamrock Showdown | |
| 4121 | Lewis Kowlessar | 51.68 | 9 | B Min | BB: 47.69 (+3.99s | 7.7%) | East Des Moines Lightning | 03/29/2025 | 2025 MN MYAS Midwest Regional Swim Meet | |
| 4122 | Sean McGovern | 51.68 | 9 | B Min | BB: 47.69 (+3.99s | 7.7%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 4123 | Lachlan Law | 51.68 | 9 | B Min | BB: 47.69 (+3.99s | 7.7%) | Univ. of Denver Hilltoppers | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 4124 | James Coble | 51.69 | 10 | B Min | BB: 47.69 (+4.00s | 7.7%) | Tennessee Aquatics | 09/26/2025 | 2025 TNAQ Orange Vs Black | |
| 4125 | Finnegan Kaplan | 51.69 | 7 | B Min | BB: 47.69 (+4.00s | 7.7%) | Staten Island Aquatics Club | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 4126 | Leo Gershteyn | 51.69 | 10 | B Min | BB: 47.69 (+4.00s | 7.7%) | Trident Aquatic Club | 02/07/2026 | 2026 MR QNS We Fly High Invitational | |
| 4127 | Adam Mulrooney | 51.69 | 10 | B Min | BB: 47.69 (+4.00s | 7.7%) | Aces Aquatics | 01/16/2026 | 2026 NE CRIM Bronze Championship | |
| 4128 | Asher Todd | 51.70 | 9 | B Min | BB: 47.69 (+4.01s | 7.8%) | Hillsborough Aquatic Club | 02/14/2026 | 2026 CAT Valentine Splash | |
| 4129 | Aaron Im | 51.70 | 9 | B Min | BB: 47.69 (+4.01s | 7.8%) | West Coast Aquatics | 02/27/2026 | 2026 PN February AGI, Div 3 Approved | |
| 4130 | Feodor Karyakin | 51.70 | 10 | B Min | BB: 47.69 (+4.01s | 7.8%) | Tampa Bay Aquatic Club | 07/25/2025 | 2025 Summer Area 3 Championships | |
| 4131 | William MacDonald | 51.70 | 10 | B Min | BB: 47.69 (+4.01s | 7.8%) | Wave Aquatics | 01/24/2026 | 2026 PN WAVE Winter Invitational Approved | |
| 4132 | Freddie Newman | 51.71 | 9 | B Min | BB: 47.69 (+4.02s | 7.8%) | Moraga Valley Pool | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 4133 | Travis Cooper | 51.71 | 9 | B Min | BB: 47.69 (+4.02s | 7.8%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 4134 | Aiden Boudjemaa | 51.71 | 8 | B Min | BB: 47.69 (+4.02s | 7.8%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 4135 | Henry Sun | 51.71 | 7 | B Min | BB: 47.69 (+4.02s | 7.8%) | Tide Swimming | 12/05/2025 | 2025 757swim Grand Illumination | |
| 4136 | Kieran McLennan | 51.71 | 9 | B Min | BB: 47.69 (+4.02s | 7.8%) | Otter Swim Club | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 4137 | Alex Borz | 51.72 | 10 | B Min | BB: 47.69 (+4.03s | 7.8%) | Indian River Aquatics | 01/25/2025 | TCA Winter Open | |
| 4138 | Charles Wrigglesworth | 51.72 | 10 | B Min | BB: 47.69 (+4.03s | 7.8%) | Poseidon Swimming Inc | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | |
| 4139 | Ryder Firth | 51.72 | 9 | B Min | BB: 47.69 (+4.03s | 7.8%) | Valley Shore YMCA Marlins | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 4140 | Noah Kim | 51.72 | 10 | B Min | BB: 47.69 (+4.03s | 7.8%) | Issaquah Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 4141 | David Zheng | 51.72 | 9 | B Min | BB: 47.69 (+4.03s | 7.8%) | Cypress Fairbanks Swim Club | 10/04/2024 | 2024 Fleet Fall Kickoff Invitational | |
| 4142 | Leo Grant | 51.73 | 10 | B Min | BB: 47.69 (+4.04s | 7.8%) | Texas Elite Swim Team | 09/28/2024 | Texas Elite IMX Invite 2024 | |
| 4143 | William Warden | 51.73 | 9 | B Min | BB: 47.69 (+4.04s | 7.8%) | Machine Aquatics | 12/20/2025 | 2025 Candy Cane Sprints | |
| 4144 | Wyatt Niemann | 51.73 | 10 | B Min | BB: 47.69 (+4.04s | 7.8%) | Quince Orchard Swim Academy | 03/20/2026 | 2026 RMSC Spring Finale | |
| 4145 | Calder Pettersen | 51.73 | 8 | B Min | BB: 47.69 (+4.04s | 7.8%) | Cascade Swim Club | 11/16/2025 | 2025 PN CSC Distance Plus Intrasquad | |
| 4146 | Jackson Collier | 51.73 | 10 | B Min | BB: 47.69 (+4.04s | 7.8%) | Cypress Fairbanks Swim Club | 10/04/2024 | 2024 Fleet Fall Kickoff Invitational | |
| 4147 | William Nail | 51.73 | 10 | B Min | BB: 47.69 (+4.04s | 7.8%) | Ensworth Aquatics | 10/25/2025 | 2025 IM Spooky | |
| 4148 | Isaiah Burdett | 51.74 | 9 | B Min | BB: 47.69 (+4.05s | 7.8%) | Waves Of Wilmington Inc | 11/21/2025 | 2025 ECA Southeastern Classic | |
| 4149 | Jonathan Van Dalen | 51.74 | 9 | B Min | BB: 47.69 (+4.05s | 7.8%) | Potomac Marlins | 01/17/2026 | PVS January Open 2026 PWCS | |
| 4150 | William Britt | 51.74 | 9 | B Min | BB: 47.69 (+4.05s | 7.8%) | Raleigh Swimming Association | 12/06/2025 | 2025 MOR Arctic Blast Meet | |
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.