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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1001 | Enzo Harter | 37.82 | 10 | BB Min | A: 37.59 (+0.23s | 0.6%) | Beaverton Area Aquatics Club | 01/23/2026 | 2026 TTSC Winter Qualifier | |
| 1002 | Sebastian Uy | 37.82 | 10 | BB Min | A: 37.59 (+0.23s | 0.6%) | Valley Aquatics | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 1003 | Cole Proescher | 37.83 | 9 | BB Min | A: 37.59 (+0.24s | 0.6%) | Orinda Aquatics | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 1004 | Thomas Nash | 37.83 | 9 | BB Min | A: 37.59 (+0.24s | 0.6%) | Coast Gaurd Blue Dolphins | 01/09/2026 | 2026 757swim Splash And Dash | |
| 1005 | Julian Lapar | 37.83 | 10 | BB Min | A: 37.59 (+0.24s | 0.6%) | SwimMAC Carolina | 12/05/2025 | ATOM Winter Invite 2025 | |
| 1006 | Jayden Duanmu | 37.85 | 10 | BB Min | A: 37.59 (+0.26s | 0.7%) | Aquajets Swim Team | 01/30/2026 | 2026 MN MTKA TYR Team Challenge | |
| 1007 | Hudson Nolan | 37.85 | 10 | BB Min | A: 37.59 (+0.26s | 0.7%) | San Antonio Wave | 02/13/2026 | 2026 ST HPAC STX Champs South | |
| 1008 | Roanan De Groot | 37.85 | 10 | BB Min | A: 37.59 (+0.26s | 0.7%) | Sioux Center Seahawks | 01/23/2026 | SFST SD 2026 January Invite | |
| 1009 | Kenneth Uglietta | 37.85 | 10 | BB Min | A: 37.59 (+0.26s | 0.7%) | Longhorn Aquatics | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1010 | William Yan | 37.86 | 10 | BB Min | A: 37.59 (+0.27s | 0.7%) | Rose Bowl Aquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 1011 | Hayden Prillaman | 37.86 | 10 | BB Min | A: 37.59 (+0.27s | 0.7%) | Poseidon Swimming Inc | 01/16/2026 | CA Y Winter Rumble Copied | |
| 1012 | Jood Abu Raya | 37.86 | 10 | BB Min | A: 37.59 (+0.27s | 0.7%) | Daly City Dolphins | 03/22/2025 | PSL SC CBA+ Meet | |
| 1013 | Lucas Kiesgen | 37.86 | 11 | BB Min | A: 37.59 (+0.27s | 0.7%) | Swim Gators Str | 02/14/2026 | 2026 Best ValenTimes Meet | |
| 1014 | Elliott Gies | 37.86 | 10 | BB Min | A: 37.59 (+0.27s | 0.7%) | Egra Waves | 12/05/2025 | EGRA 2025 Winter Washout | |
| 1015 | Caleb Fett | 37.86 | 10 | BB Min | A: 37.59 (+0.27s | 0.7%) | South East Metro Sharks | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 1016 | Jacob Berkowitz | 37.86 | 10 | BB Min | A: 37.59 (+0.27s | 0.7%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 1017 | David Yakubov | 37.87 | 10 | BB Min | A: 37.59 (+0.28s | 0.7%) | Matchpoint Nyc | 09/27/2025 | 2025 MR FREE Season Starter | |
| 1018 | Keller Roedel | 37.87 | 10 | BB Min | A: 37.59 (+0.28s | 0.7%) | Crawfish Aquatics | 01/16/2026 | 2026 SE Ralph Crocker Classic | |
| 1019 | Vincent Mandanas | 37.87 | 10 | BB Min | A: 37.59 (+0.28s | 0.7%) | Granite Falls Makos | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 1020 | Grayson Spray | 37.87 | 10 | BB Min | A: 37.59 (+0.28s | 0.7%) | Shawmut Aquatic Club | 01/30/2026 | 2026 NE CS Silver Championships | |
| 1021 | Baxter Shimooka | 37.87 | 10 | BB Min | A: 37.59 (+0.28s | 0.7%) | Machine Aquatics | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 1022 | Connor Sherman | 37.87 | 10 | BB Min | A: 37.59 (+0.28s | 0.7%) | Grosse Pointe Gators | 12/06/2025 | 2025 26 Super Fast And Furious Prelim Final | |
| 1023 | Emry Lotito | 37.87 | 9 | BB Min | A: 37.59 (+0.28s | 0.7%) | West Florida Lightning Aquatic | 12/05/2025 | 2025 Speedo Gator Holiday Classic | |
| 1024 | Alex Wu | 37.88 | 11 | BB Min | A: 37.59 (+0.29s | 0.8%) | Plymouth Canton Cruisers | 02/13/2026 | 2026 Showdown In Motown | |
| 1025 | Reed Nichols | 37.88 | 9 | BB Min | A: 37.59 (+0.29s | 0.8%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 1026 | Ilan Rattner | 37.88 | 9 | BB Min | A: 37.59 (+0.29s | 0.8%) | Sunnyvale Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 1027 | Michael Campbell | 37.89 | 9 | BB Min | A: 37.59 (+0.30s | 0.8%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/13/2026 | 2026 Showdown In Motown | |
| 1028 | Kieran Sherburne | 37.89 | 10 | BB Min | A: 37.59 (+0.30s | 0.8%) | Amherst Tritons Swim Team | 01/30/2026 | 2026 NE UVAC Silvers | |
| 1029 | Jonathan Lan | 37.90 | 10 | BB Min | A: 37.59 (+0.31s | 0.8%) | Bellevue Club Swim Team | 12/12/2025 | 2025 PN 14 Under Short Course Champs APPROVED | |
| 1030 | Timothy Acchione | 37.90 | 10 | BB Min | A: 37.59 (+0.31s | 0.8%) | Loyola Blakefield Aquatics | 10/03/2025 | 2025 Aimee McCormick Turrall Memorial Meet | |
| 1031 | Hunter Perfect | 37.90 | 9 | BB Min | A: 37.59 (+0.31s | 0.8%) | River Falls Swim Club | 12/05/2025 | 2025 MN AQJT 14 U Single Age State Meet Cop | |
| 1032 | Connor Finan | 37.91 | 9 | BB Min | A: 37.59 (+0.32s | 0.8%) | Atlantic Coast Athletic Club | 01/16/2026 | CA Y Winter Rumble Copied | |
| 1033 | Phoenix Tang | 37.91 | 10 | BB Min | A: 37.59 (+0.32s | 0.8%) | Fairfax Foxes Swimming | 12/05/2025 | 2025 VSTP Ice Breaker Invitational | |
| 1034 | Connor Thompson | 37.91 | 10 | BB Min | A: 37.59 (+0.32s | 0.8%) | Dexter Community Aquatic Club | 12/13/2025 | 2025 DRD Winter Solstice Meet | |
| 1035 | Asher Knapp | 37.92 | 9 | BB Min | A: 37.59 (+0.33s | 0.9%) | Tide Swimming | 12/11/2025 | 2025 East Coast WinterFest | |
| 1036 | Hawx Hansen | 37.92 | 10 | BB Min | A: 37.59 (+0.33s | 0.9%) | Wasatch Front Fish Market | 12/29/2025 | 60th Kearns Holiday Open Invitational | |
| 1037 | Leon Wu | 37.92 | 9 | BB Min | A: 37.59 (+0.33s | 0.9%) | 92ny Flying Dolphins | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 1038 | Adam Rosol | 37.93 | 8 | BB Min | A: 37.59 (+0.34s | 0.9%) | Twisters Swim Club | 01/24/2026 | 2026 MR FLY Fran Schnarr Sprint Pentathlon Me | |
| 1039 | Tatsumasa Sekine | 37.93 | 9 | BB Min | A: 37.59 (+0.34s | 0.9%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 1040 | Alexander Dmyterko | 37.93 | 10 | BB Min | A: 37.59 (+0.34s | 0.9%) | Wahoo\\\\\\'s of Wellington | 12/05/2025 | 2025 FG Holiday Champ | |
| 1041 | Caleb Ingraham | 37.93 | 10 | BB Min | A: 37.59 (+0.34s | 0.9%) | Alamo Area Aquatic Association | 02/13/2026 | 2026 ST HPAC STX Champs South | |
| 1042 | Carter McCluskey | 37.94 | 10 | BB Min | A: 37.59 (+0.35s | 0.9%) | Anglerfish Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1043 | Adam Korzenny | 37.94 | 10 | BB Min | A: 37.59 (+0.35s | 0.9%) | Long Island Aquatic Club | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 1044 | Ludwik Pawelski | 37.95 | 8 | BB Min | A: 37.59 (+0.36s | 0.9%) | Sparks Piranhas Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 1045 | Dean Deliessche | 37.95 | 9 | BB Min | A: 37.59 (+0.36s | 0.9%) | Trident Aquatic Club | 02/07/2026 | 2026 MR QNS We Fly High Invitational | |
| 1046 | Adam Lum | 37.96 | 10 | BB Min | A: 37.59 (+0.37s | 1.0%) | Lakewood Aquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 1047 | Evan Jun | 37.96 | 8 | BB Min | A: 37.59 (+0.37s | 1.0%) | Kamehameha Swim Club | 10/25/2025 | 2025 HI 25th Annual Bill Smith Invitational | |
| 1048 | Tristan Patroni | 37.97 | 9 | BB Min | A: 37.59 (+0.38s | 1.0%) | Meadow | 11/10/2024 | Fall Jamboree Invitational 2024 | |
| 1049 | Sava Sikirica | 37.97 | 10 | BB Min | A: 37.59 (+0.38s | 1.0%) | Suburban Seahawks Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 1050 | Lucas Reznik | 37.98 | 10 | BB Min | A: 37.59 (+0.39s | 1.0%) | Asphalt Green Unified Aquatics | 01/17/2026 | 2026 MR AGUA MLK Invitational | |
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.