USA Boys 10 & under - 50 Y 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 6151 | Evan Morse | 47.60 | 10 | B Min | BB: 42.89 (+4.71s | 9.9%) | Potomac Marlins | 02/20/2026 | 2026 FXFX Forty Niner | |
| 6152 | Alexander Jewison | 47.61 | 7 | B Min | BB: 42.89 (+4.72s | 9.9%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 6153 | Zhile Li | 47.61 | 10 | B Min | BB: 42.89 (+4.72s | 9.9%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 6154 | Caiden King | 47.61 | 9 | B Min | BB: 42.89 (+4.72s | 9.9%) | Hampton Virginia Current | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 6155 | Arjun Patlolla | 47.62 | 9 | B Min | BB: 42.89 (+4.73s | 9.9%) | Tac Titans | 09/21/2025 | 2025 TAC TITANS Blue V Green Meet | |
| 6156 | Mukudzei Marufu | 47.62 | 7 | B Min | BB: 42.89 (+4.73s | 9.9%) | Hauppauge Swimming | 01/23/2026 | 2026 MR HAUP Snowmageddon Splash | |
| 6157 | Liam Kammeyer | 47.62 | 10 | B Min | BB: 42.89 (+4.73s | 9.9%) | Greater Toledo Aquatic Club | 02/19/2026 | 2026 OH SOS SC Regional Championships | |
| 6158 | Solomon Jarvis | 47.63 | 10 | B Min | BB: 42.89 (+4.74s | 10.0%) | YMCA of the North Shore Sharks | 02/07/2026 | 2026 NE YNS Last Chance Qualifier | |
| 6159 | Aryash Suri | 47.63 | 8 | B Min | BB: 42.89 (+4.74s | 10.0%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | |
| 6160 | Ian Campbell | 47.63 | 10 | B Min | BB: 42.89 (+4.74s | 10.0%) | Sandpipers of Nevada | 07/11/2025 | July 2025 Rock The Blocks | |
| 6161 | Ryan Yoon | 47.63 | 9 | B Min | BB: 42.89 (+4.74s | 10.0%) | Qns Aquatic Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 6162 | Daschel Trowbridge | 47.63 | 10 | B Min | BB: 42.89 (+4.74s | 10.0%) | Roseburg Y Swim Team | 10/18/2025 | 2025 Tri Y | |
| 6163 | Riley Brownell | 47.63 | 7 | B Min | BB: 42.89 (+4.74s | 10.0%) | Naval Academy Aquatic Club | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 6164 | Easton Vollmer | 47.63 | 8 | B Min | BB: 42.89 (+4.74s | 10.0%) | Egra Waves | 02/07/2026 | 2026 Grand Rapids Open | |
| 6165 | Derek Zhang | 47.63 | 9 | B Min | BB: 42.89 (+4.74s | 10.0%) | Quince Orchard Swim Academy | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 6166 | Collin McConaughey | 47.64 | 9 | B Min | BB: 42.89 (+4.75s | 10.0%) | Mecklenburg Swim Association | 03/07/2026 | 2026 MSA March Madness Invitational | |
| 6167 | Gabriel Abril | 47.64 | 6 | B Min | BB: 42.89 (+4.75s | 10.0%) | Riviera Prep (Miami) | 10/15/2025 | 2025 South Florida MS Champs USA S OBS | |
| 6168 | Gavin Grindem | 47.64 | 9 | B Min | BB: 42.89 (+4.75s | 10.0%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/27/2026 | 2026 Junior Cup | |
| 6169 | Grant Wheeler | 47.64 | 9 | B Min | BB: 42.89 (+4.75s | 10.0%) | Life Time Swim Ohio | 02/20/2026 | 2026 OH WAVE SC Regional Championships | |
| 6170 | Adam Alkhayru | 47.65 | 9 | B Min | BB: 42.89 (+4.76s | 10.0%) | Reno Aquatic Club | 01/16/2026 | 2026 Blizzard Blast Swim Meet | |
| 6171 | Amay Kalkoti | 47.65 | 10 | B Min | BB: 42.89 (+4.76s | 10.0%) | North Shore Swim Club | 03/07/2026 | 2026 NE NSSC March 7 SJP | |
| 6172 | Carson Kocher | 47.65 | 8 | B Min | BB: 42.89 (+4.76s | 10.0%) | SlipStream Aquatics | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 6173 | Allan Fox | 47.65 | 10 | B Min | BB: 42.89 (+4.76s | 10.0%) | Hillsboro Swim Team | 02/07/2026 | 2026 OR HEAT BC Blastoff | |
| 6174 | Maddox Des Lauriers | 47.65 | 10 | B Min | BB: 42.89 (+4.76s | 10.0%) | Foxjets Swim Team | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 6175 | Asher Manning | 47.66 | 8 | B Min | BB: 42.89 (+4.77s | 10.0%) | Aces Swim Club | 01/23/2026 | 2026 CO TOPS Colorado Open | |
| 6176 | Deacon Sutphin | 47.66 | 8 | B Min | BB: 42.89 (+4.77s | 10.0%) | Treasure Coast Swimming | 12/13/2025 | Harry Meisel Championships East Copied | |
| 6177 | Declan Mosher | 47.66 | 8 | B Min | BB: 42.89 (+4.77s | 10.0%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 6178 | Nash Buchanan | 47.66 | 10 | B Min | BB: 42.89 (+4.77s | 10.0%) | Salida Cyclones | 07/25/2025 | 2025 CO SECAL Championships | |
| 6179 | Ben Wood | 47.66 | 10 | B Min | BB: 42.89 (+4.77s | 10.0%) | Indian River Aquatics | 02/06/2026 | 2026 Stanton C Craigie Memorial Invite | |
| 6180 | Yurek Giraldo | 47.66 | 10 | B Min | BB: 42.89 (+4.77s | 10.0%) | Prince George\\\\\\'s Parks and Recr | 12/20/2025 | 2025 Splash And Dash | |
| 6181 | Maverick Meyers | 47.66 | 10 | B Min | BB: 42.89 (+4.77s | 10.0%) | FireFish Swim Team | 01/16/2026 | 2026 NE CS Bronze Championships | |
| 6182 | Thomas Golder | 47.66 | 9 | B Min | BB: 42.89 (+4.77s | 10.0%) | Sailfish Aquatics | 03/07/2026 | 2026 MSA March Madness Invitational | |
| 6183 | Rafael Aragon-Velthaus | 47.66 | 8 | B Min | BB: 42.89 (+4.77s | 10.0%) | Bluefish Swim Club | 10/17/2025 | 2025 NE ABF Oct Specialty Copied | |
| 6184 | Beckham Allen | 47.67 | 9 | B Min | BB: 42.89 (+4.78s | 10.0%) | Pikes Peak Athletics | 12/12/2025 | 2025 CO FAST Bill Spahn Mid Season Finale | |
| 6185 | Zian de los Angeles | 47.67 | 9 | B Min | BB: 42.89 (+4.78s | 10.0%) | Sprc Stingrays | 09/26/2025 | RAC First Splash 2025 | |
| 6186 | Rishen Tayal | 47.67 | 9 | B Min | BB: 42.89 (+4.78s | 10.0%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 6187 | Eric Viana | 47.67 | 9 | B Min | BB: 42.89 (+4.78s | 10.0%) | Stingrays Swim Team | 12/04/2025 | 2025 RAYS Nutcracker Classic Copied | |
| 6188 | Ethan Wang | 47.67 | 10 | B Min | BB: 42.89 (+4.78s | 10.0%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 6189 | Parker Allen | 47.67 | 10 | B Min | BB: 42.89 (+4.78s | 10.0%) | Wasatch Swim Club | 11/01/2025 | Race Swami Dia De Los Muertos Classic 2025 | |
| 6190 | Brooks Propper | 47.67 | 10 | B Min | BB: 42.89 (+4.78s | 10.0%) | Nation\\\\\\'s Capital Swim Club | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 6191 | Rory Thelen | 47.67 | 9 | B Min | BB: 42.89 (+4.78s | 10.0%) | Atlantis Swimming | 10/17/2025 | 2025 OLY Fall Classic | |
| 6192 | Paulo Valdez | 47.68 | 8 | B Min | BB: 42.89 (+4.79s | 10.0%) | EL Paso Border Land Swim Team | 02/13/2026 | 2026 BD Arctic BLAST Swim Meet | |
| 6193 | Samuel Tobias | 47.68 | 10 | B Min | BB: 42.89 (+4.79s | 10.0%) | SwimMAC Carolina | 03/07/2026 | 2026 SwimMAC BC Championship | |
| 6194 | Keegan Hardy | 47.68 | 8 | B Min | BB: 42.89 (+4.79s | 10.0%) | VillaSport Swim Team | 01/18/2025 | 2025 LSST January Frosty Meet | |
| 6195 | Preston Bao | 47.68 | 10 | B Min | BB: 42.89 (+4.79s | 10.0%) | Rancho San Dieguito | 12/04/2025 | 2025 Holiday Swim Festival | |
| 6196 | Adam Salhia | 47.68 | 9 | B Min | BB: 42.89 (+4.79s | 10.0%) | Sporting Jax Aquatic Club | 02/20/2026 | 2026 Area 1 Spring Championships | |
| 6197 | Barrett Hopper | 47.68 | 9 | B Min | BB: 42.89 (+4.79s | 10.0%) | Nitro Swimming | 01/31/2026 | 2026 ST NTRO Fiery Flames | |
| 6198 | Theo Mello | 47.68 | 7 | B Min | BB: 42.89 (+4.79s | 10.0%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 6199 | Collin Wheeler | 47.68 | 10 | B Min | BB: 42.89 (+4.79s | 10.0%) | Royal Swimming | 12/20/2025 | Life Time Michigan Candy Cane Classic | |
| 6200 | Maxwell Mossburger | 47.68 | 9 | B Min | BB: 42.89 (+4.79s | 10.0%) | Zeus Swim Team | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
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.