USA Boys 10 & under - 50 Y Free
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 5051 | Atlas Crowley | 38.07 | 10 | B Min | BB: 34.59 (+3.48s | 9.1%) | McMinnville Swim Club | 02/15/2026 | 2026 MSC Vs APEX Dual Meet | |
| 5052 | Melchizedek Nan | 38.07 | 9 | B Min | BB: 34.59 (+3.48s | 9.1%) | Aggie Swim Club | 01/10/2025 | MAC 2025 Neon New Year Meet | |
| 5053 | Graycin Wilson | 38.07 | 8 | B Min | BB: 34.59 (+3.48s | 9.1%) | Wheeling YMCA | 01/17/2026 | Club Mountaineer January Age Group Winter Spl | |
| 5054 | Zachary Zourdos | 38.07 | 10 | B Min | BB: 34.59 (+3.48s | 9.1%) | SwimFast | 09/06/2025 | Sunrise Swimmng Open Invite | |
| 5055 | Maximus Saure | 38.07 | 8 | B Min | BB: 34.59 (+3.48s | 9.1%) | South Bay Aquatics | 06/14/2026 | 2026 SI SEA 14u Rising Stars 2 Jun 14 | |
| 5056 | Killian Mann | 38.07 | 9 | B Min | BB: 34.59 (+3.48s | 9.1%) | Olympic Cascade Aquatics | 01/18/2026 | 2026 PN BC Snowflake Classic Invite Approved | |
| 5057 | Gabriel Liu | 38.07 | 10 | B Min | BB: 34.59 (+3.48s | 9.1%) | Southwestern Aquatics Team - S | 01/18/2025 | 2025 LSST January Frosty Meet | |
| 5058 | Eli Parker | 38.08 | 10 | B Min | BB: 34.59 (+3.49s | 9.2%) | Mason Makos Swim Team | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 5059 | Jack Fritz | 38.08 | 9 | B Min | BB: 34.59 (+3.49s | 9.2%) | Swim Gators Str | 01/31/2026 | 2026 Guppy Bowl | |
| 5060 | Max Bai | 38.08 | 8 | B Min | BB: 34.59 (+3.49s | 9.2%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 5061 | Dominic Bergonzi | 38.08 | 10 | B Min | BB: 34.59 (+3.49s | 9.2%) | Magnolia Aquatic Club | 02/21/2025 | MAC Hosted 2025 Gulf 12 Under Champs | |
| 5062 | Alex Chatfield | 38.08 | 9 | B Min | BB: 34.59 (+3.49s | 9.2%) | Annapolis Swim Club | 11/07/2025 | 2025 CAC 5th Annual Zachary Spain Memorial Me | |
| 5063 | Jonathan Fosheim | 38.08 | 10 | B Min | BB: 34.59 (+3.49s | 9.2%) | Webster Swim Team | 06/30/2026 | 2026 SD Webster Fun Meet | |
| 5064 | Tristan Wan | 38.08 | 9 | B Min | BB: 34.59 (+3.49s | 9.2%) | Palo Alto Stanford Aquatics | 07/10/2026 | Sensational Summer Of 26 Block Party | |
| 5065 | Riley Keehn | 38.08 | 10 | B Min | BB: 34.59 (+3.49s | 9.2%) | Greensboro Community YMCA | 03/06/2026 | Jon Jolley GYSSA 2026 | |
| 5066 | Milo Chan | 38.09 | 9 | B Min | BB: 34.59 (+3.50s | 9.2%) | Seattle Metropolitan Aquatic C | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | |
| 5067 | Calvin Conant | 38.09 | 10 | B Min | BB: 34.59 (+3.50s | 9.2%) | Nation\\\\\\'s Capital Swim Club | 10/18/2025 | 2025 NCAP Autumn Kingfish Splash | |
| 5068 | Ethan Riley | 38.09 | 9 | B Min | BB: 34.59 (+3.50s | 9.2%) | Waves Of Wilmington Inc | 07/02/2026 | BAC Vs WOW Dual | |
| 5069 | Martin Mao | 38.09 | 10 | B Min | BB: 34.59 (+3.50s | 9.2%) | Sienna Premier Aquatics | 02/21/2025 | 2025 Gulf 12 Under Champs (PACK) | |
| 5070 | William Foster | 38.09 | 10 | B Min | BB: 34.59 (+3.50s | 9.2%) | Wave Aquatics | 02/27/2026 | 2026 PN February AGI, Division 2 Approved | |
| 5071 | Joshua Thomas | 38.09 | 10 | B Min | BB: 34.59 (+3.50s | 9.2%) | Sunnyvale Swim Club | 09/28/2025 | SUNN Blue And Gold Intrasquad Meet Copied | |
| 5072 | Andrii Ivanov | 38.09 | 10 | B Min | BB: 34.59 (+3.50s | 9.2%) | Valley Aquatics | 03/21/2026 | 2026 PN OSTSEAL Kaholo Island ClassicApproved | |
| 5073 | Sebast Velasquez DelaCadena | 38.09 | 8 | B Min | BB: 34.59 (+3.50s | 9.2%) | Miami Country Day School | 10/15/2025 | 2025 South Florida MS Champs USA S OBS | |
| 5074 | Ewan Johnson | 38.10 | 10 | B Min | BB: 34.59 (+3.51s | 9.2%) | Mid-Maine Dolphins | 02/27/2026 | 2026 NE Maine State Y Championships | |
| 5075 | Makai Barraclough | 38.10 | 10 | B Min | BB: 34.59 (+3.51s | 9.2%) | Los Altos Mountain View Aquati | 10/25/2025 | 2025 SUNN Fall Classic | |
| 5076 | Aidan Huxley | 38.10 | 10 | B Min | BB: 34.59 (+3.51s | 9.2%) | YMCA of the North Shore Sharks | 01/10/2026 | 2026 NE YNS YMCA Eastern MA Districts | |
| 5077 | Tyler Ni | 38.10 | 10 | B Min | BB: 34.59 (+3.51s | 9.2%) | Memphis Tiger Swimming | 10/24/2025 | 2025 Fall Invite | |
| 5078 | Thomas MacDonald | 38.10 | 7 | B Min | BB: 34.59 (+3.51s | 9.2%) | Moraga Country Club | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 5079 | Jakob Carter | 38.10 | 9 | B Min | BB: 34.59 (+3.51s | 9.2%) | Aquajets Swim Team | 11/16/2025 | 2025MN AQJT November Invite | |
| 5080 | Lewis Wilson | 38.10 | 9 | B Min | BB: 34.59 (+3.51s | 9.2%) | Rockville Montgomery Swim Club | 12/05/2025 | 2025 Christmas Championships | |
| 5081 | Evan Klein | 38.10 | 9 | B Min | BB: 34.59 (+3.51s | 9.2%) | Minnetonka Swim Club | 02/27/2026 | 2026 MN MTKA Minnesota Regional Championship | |
| 5082 | Charles Schnicker | 38.10 | 9 | B Min | BB: 34.59 (+3.51s | 9.2%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/27/2026 | 2026 Junior Cup | |
| 5083 | Sven Kim | 38.10 | 10 | B Min | BB: 34.59 (+3.51s | 9.2%) | Twisters Swim Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 5084 | Elliot Gorman | 38.10 | 10 | B Min | BB: 34.59 (+3.51s | 9.2%) | Front Range Barracudas | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 5085 | Yusuf Kalai | 38.10 | 10 | B Min | BB: 34.59 (+3.51s | 9.2%) | South Valley Makos | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 5086 | Brody Nordberg | 38.10 | 9 | B Min | BB: 34.59 (+3.51s | 9.2%) | Valley Swim Team Phoenix | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 5087 | Norman Matthew | 38.11 | 10 | B Min | BB: 34.59 (+3.52s | 9.2%) | Edina Swim Club | 05/09/2026 | 2026 MN EDI Gator Speedo Invite | |
| 5088 | Jack Sunderland | 38.11 | 9 | B Min | BB: 34.59 (+3.52s | 9.2%) | Team Vortex | 02/14/2026 | 2026 CO NCS 10 U Winter Spectacular | |
| 5089 | Maxwell Pettis | 38.11 | 9 | B Min | BB: 34.59 (+3.52s | 9.2%) | Minneapolis Lake Monsters | 02/27/2026 | 2026 MN EDI Minnesota Regional Championship | |
| 5090 | Christian Kewley | 38.11 | 10 | B Min | BB: 34.59 (+3.52s | 9.2%) | Southwest Stars Swim Club | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 5091 | Charles Wright | 38.11 | 10 | B Min | BB: 34.59 (+3.52s | 9.2%) | Montrose Marlins Swim Club | 03/14/2026 | 2026 CO Western Slope League Bronze Meet | |
| 5092 | Henry Greene | 38.11 | 10 | B Min | BB: 34.59 (+3.52s | 9.2%) | Marlins Of Raleigh | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 5093 | Leo Favazza | 38.12 | 9 | B Min | BB: 34.59 (+3.53s | 9.3%) | Oly Swimming | 12/12/2025 | OLY Swimming Holiday Bowl | |
| 5094 | Micah Ryckaert | 38.12 | 10 | B Min | BB: 34.59 (+3.53s | 9.3%) | Oly Swimming | 12/12/2025 | OLY Swimming Holiday Bowl | |
| 5095 | Carter Toman | 38.12 | 11 | B Min | BB: 34.59 (+3.53s | 9.3%) | Quest Swimming | 09/19/2025 | Quest Swimming Kickoff Intrasquad | |
| 5096 | Jack Ball | 38.12 | 10 | B Min | BB: 34.59 (+3.53s | 9.3%) | Kentridge | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 5097 | Nikshay Chandrasekar | 38.12 | 9 | B Min | BB: 34.59 (+3.53s | 9.3%) | Pro Swimming | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 5098 | Grady Stines | 38.12 | 9 | B Min | BB: 34.59 (+3.53s | 9.3%) | Raleigh Swimming Association | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 5099 | Jagger Kosch | 38.12 | 8 | B Min | BB: 34.59 (+3.53s | 9.3%) | Oly Swimming | 01/10/2026 | 2026 PA Invite | |
| 5100 | William Seo | 38.12 | 9 | B Min | BB: 34.59 (+3.53s | 9.3%) | Bethesda-Chevy Chase YMCA | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
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.