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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4001 | Jonathan Wu | 44.87 | 10 | B Min | BB: 42.89 (+1.98s | 4.4%) | North Baltimore Aquatic Club | 10/17/2025 | 2025 NBAC Fall Fastival Meet | |
| 4002 | Aiden Huang | 44.87 | 10 | B Min | BB: 42.89 (+1.98s | 4.4%) | DeAnza Cupertino Aquatics | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 4003 | Steven Ilbana | 44.87 | 9 | B Min | BB: 42.89 (+1.98s | 4.4%) | Spokane Waves Aquatic Team | 12/05/2025 | 2025 SWAT Winter Invite | |
| 4004 | Alexander Krapp | 44.87 | 10 | B Min | BB: 42.89 (+1.98s | 4.4%) | Thurston Olympians Swim Club | 03/21/2026 | 2026 PN OSTSEAL Kaholo Island ClassicApproved | |
| 4005 | Ryan Maguire | 44.88 | 10 | B Min | BB: 42.89 (+1.99s | 4.4%) | Bgc-N. Westchester Marlins | 11/14/2025 | 2025 MR COND November IMX Invitational | |
| 4006 | Aspar Dzebisov | 44.88 | 10 | B Min | BB: 42.89 (+1.99s | 4.4%) | Fast Lane Aquatics | 12/04/2025 | RAFC Winter Classic | |
| 4007 | Oliver James | 44.89 | 9 | B Min | BB: 42.89 (+2.00s | 4.5%) | Mecklenburg Swim Association | 02/07/2026 | MSA IM Tough Meet 2026 | |
| 4008 | Titus Kirsch | 44.89 | 10 | B Min | BB: 42.89 (+2.00s | 4.5%) | Summerville Family YMCA | 03/19/2026 | 2026 USRY Short Course Champs | |
| 4009 | Elliot Ryan | 44.89 | 10 | B Min | BB: 42.89 (+2.00s | 4.5%) | Merritt Athletic Swimming | 11/14/2025 | Harvest Festival 2025 | |
| 4010 | Nathaniel Thayer | 44.89 | 9 | B Min | BB: 42.89 (+2.00s | 4.5%) | Machine Aquatics | 02/13/2026 | 39th Black History Swim Meet | |
| 4011 | Lev Goldstein | 44.89 | 9 | B Min | BB: 42.89 (+2.00s | 4.5%) | North Shore Swim Club | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 4012 | Alex Najafov | 44.89 | 10 | B Min | BB: 42.89 (+2.00s | 4.5%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 4013 | Kekalaholuokekaipueo Hanson | 44.89 | 10 | B Min | BB: 42.89 (+2.00s | 4.5%) | Punahou Aquatics Institute | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 4014 | Tyus Jacob | 44.89 | 10 | B Min | BB: 42.89 (+2.00s | 4.5%) | Sarasota Sharks | 06/20/2026 | West Coast B Champtionships | |
| 4015 | Jackson Williams | 44.89 | 10 | B Min | BB: 42.89 (+2.00s | 4.5%) | Calvert Aquatics Club | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 4016 | Cooper Franek | 44.89 | 10 | B Min | BB: 42.89 (+2.00s | 4.5%) | Northfield Swim Club | 03/07/2025 | 2025 MN MAN Minnesota Regional Championship | |
| 4017 | Aiden Thoms | 44.89 | 8 | B Min | BB: 42.89 (+2.00s | 4.5%) | Y in Central Maryland Blue Cra | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 4018 | Kiaan Tomer | 44.89 | 9 | B Min | BB: 42.89 (+2.00s | 4.5%) | Life Time Swim Ohio | 02/20/2026 | 2026 OH WAVE SC Regional Championships | |
| 4019 | Charles Schnicker | 44.89 | 8 | B Min | BB: 42.89 (+2.00s | 4.5%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | |
| 4020 | Thomas Cooke | 44.90 | 9 | B Min | BB: 42.89 (+2.01s | 4.5%) | Aptos Cabrillo Swim Club | 10/04/2024 | SCSC Pacific Swimming Short Cours C B A+ Meet | |
| 4021 | Brant Davis | 44.91 | 7 | B Min | BB: 42.89 (+2.02s | 4.5%) | Pueblo County Swim Team | 06/19/2026 | 2026 Max Shirley Radiff Memorial | |
| 4022 | Edward Slater | 44.91 | 10 | B Min | BB: 42.89 (+2.02s | 4.5%) | Marlins Of Raleigh | 10/24/2025 | 2025 MOR Kick Off | |
| 4023 | Abhay Gurung | 44.91 | 8 | B Min | BB: 42.89 (+2.02s | 4.5%) | Twisters Swim Club | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 4024 | Adrian Almodovar | 44.91 | 9 | B Min | BB: 42.89 (+2.02s | 4.5%) | Trident Aquatic Club | 02/07/2026 | 2026 MR QNS We Fly High Invitational | |
| 4025 | Colin Wu | 44.91 | 10 | B Min | BB: 42.89 (+2.02s | 4.5%) | Life Time Colorado Swim Club | 01/02/2026 | 2026 CO COSA New Year Open | |
| 4026 | Lincoln Albers | 44.91 | 9 | B Min | BB: 42.89 (+2.02s | 4.5%) | Wahoos of Jacksonville | 01/16/2026 | 2026 Pentathlon | |
| 4027 | Rexford Wilkerson | 44.92 | 10 | B Min | BB: 42.89 (+2.03s | 4.5%) | Team Charlotte Swimming | 03/07/2026 | 2026 MSA March Madness Invitational | |
| 4028 | Miguel De Ocampo Rebelo | 44.92 | 9 | B Min | BB: 42.89 (+2.03s | 4.5%) | Ridgewood YMCA Breakers Swim T | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 4029 | Abraham Urrutia | 44.92 | 10 | B Min | BB: 42.89 (+2.03s | 4.5%) | Foothills Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 4030 | Rio Dell | 44.92 | 10 | B: 38.49 (+6.43s | 14.3%) | University City Swim Club | 03/07/2026 | 2026 GTWY 8 Under Champs | ||
| 4031 | Christopher Scheetz | 44.93 | 9 | B Min | BB: 42.89 (+2.04s | 4.5%) | COSA Swimming | 04/25/2026 | 2026 CO COSA Spring SC Kick Off | |
| 4032 | Andrew Chen | 44.93 | 8 | B Min | BB: 42.89 (+2.04s | 4.5%) | Seattle Metropolitan Aquatic C | 01/31/2026 | 2026 PN KING Beast IMX IMR Invitational Appr | |
| 4033 | John Wright | 44.93 | 9 | B Min | BB: 42.89 (+2.04s | 4.5%) | Egra Waves | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 4034 | Markus Kuunal | 44.93 | 9 | B Min | BB: 42.89 (+2.04s | 4.5%) | Washingtonians Swim Club | 01/31/2026 | The 2026 Super FISH Bowl XVI | |
| 4035 | Nolan Cox | 44.93 | 10 | B Min | BB: 42.89 (+2.04s | 4.5%) | San Antonio Wave | 01/10/2026 | 2026 ST AHAC B Champs South Copied | |
| 4036 | Liam Steigner | 44.93 | 10 | B Min | BB: 42.89 (+2.04s | 4.5%) | Fast Falcons | 09/21/2025 | 2025 FAST Pentathlon | |
| 4037 | Jordan Bulebush | 44.93 | 10 | B Min | BB: 42.89 (+2.04s | 4.5%) | New Wave Swim Team | 01/16/2026 | 2026 RSA Winter Tri | |
| 4038 | Nicholas Kelly | 44.93 | 9 | B Min | BB: 42.89 (+2.04s | 4.5%) | Carolina Aquatic Team | 02/14/2026 | 2026 CAT Valentine Splash | |
| 4039 | Leo Lebahn | 44.94 | 9 | B Min | BB: 42.89 (+2.05s | 4.6%) | Fairfax Foxes Swimming | 11/14/2025 | 2025 PV November Open PWCS | |
| 4040 | Everett Connell | 44.94 | 10 | B Min | BB: 42.89 (+2.05s | 4.6%) | Atlantis Aquatics | 03/13/2026 | 2026 NE NSSC NE Cup Championship | |
| 4041 | Isaiah Fadillah | 44.94 | 10 | B Min | BB: 42.89 (+2.05s | 4.6%) | California Dolphins Swim Team | 10/18/2025 | PC CDST SC C B BB+ | |
| 4042 | Henry Coombs | 44.95 | 10 | B Min | BB: 42.89 (+2.06s | 4.6%) | Mecklenburg Swim Association | 02/07/2026 | MSA IM Tough Meet 2026 | |
| 4043 | Jasper Zhong | 44.96 | 8 | B Min | BB: 42.89 (+2.07s | 4.6%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | |
| 4044 | David Griesinger | 44.96 | 9 | B Min | BB: 42.89 (+2.07s | 4.6%) | Boise YMCA Swim Team | 11/22/2025 | 57th Annual Thanksgiving Invitational | |
| 4045 | Lucas Aliahmad | 44.96 | 9 | B Min | BB: 42.89 (+2.07s | 4.6%) | Pointe Aquatics | 02/27/2026 | 2026 MCSA Junior Cup | |
| 4046 | Brooks Vondersmith | 44.96 | 10 | B Min | BB: 42.89 (+2.07s | 4.6%) | Hanover Aquatics | 01/17/2026 | 2026 Duck Bowl | |
| 4047 | Martin Zhang | 44.96 | 8 | B Min | BB: 42.89 (+2.07s | 4.6%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 4048 | Harvey Yu | 44.96 | 10 | B Min | BB: 42.89 (+2.07s | 4.6%) | North Shore Swim Club | 04/04/2026 | 2026 NE NSSC Sprint Meet | |
| 4049 | Nolan Sorrell | 44.96 | 10 | B Min | BB: 42.89 (+2.07s | 4.6%) | Montgomery Aquatic Race Club | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 4050 | Carmine Gentile | 44.96 | 10 | B Min | BB: 42.89 (+2.07s | 4.6%) | Sachem Swim Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
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.