USA Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4851 | Caleb Kurniawan | 1:04.48 | 10 | B: 55.39 (+9.09s | 14.1%) | Orca Aquatics | 05/30/2026 | 2026 NE RIAC Sail Away On The Ferry | ||
| 4852 | Lincoln Zhu | 1:04.48 | 9 | B: 55.39 (+9.09s | 14.1%) | Pacific Dragons Swim Team | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | ||
| 4853 | Oliver Gremban | 1:04.50 | 10 | B: 55.39 (+9.11s | 14.1%) | North Coast Aquatics | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | ||
| 4854 | Callen Thompson | 1:04.50 | 8 | B: 55.39 (+9.11s | 14.1%) | Pierre Swim Team | 06/12/2026 | 2026 RST Coach Beth Rushmore Classic | ||
| 4855 | Lincoln Albers | 1:04.52 | 9 | B: 55.39 (+9.13s | 14.2%) | Beaches Quicksilver | 05/17/2025 | 2025 PSA May Invite | ||
| 4856 | Teodor Radovanovic | 1:04.52 | 9 | B: 55.39 (+9.13s | 14.2%) | T2 Aquatics | 05/22/2026 | 2026 T2 Aquatics Norris Foundation LC Meet | ||
| 4857 | Robert Meehan | 1:04.53 | 9 | B: 55.39 (+9.14s | 14.2%) | Commonwealth Swimming | 05/16/2026 | 2026 NE CS Spring Fever | ||
| 4858 | Matteo Balzarini | 1:04.55 | 7 | B: 55.39 (+9.16s | 14.2%) | Valley Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | ||
| 4859 | Derek Lu | 1:04.55 | 7 | B: 55.39 (+9.16s | 14.2%) | Sunnyvale Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | ||
| 4860 | Eli Vera | 1:04.56 | 9 | B: 55.39 (+9.17s | 14.2%) | C.M. Gatton Beaumont YMCA | 06/26/2026 | 2026 Colonel Summer Classic Copied | ||
| 4861 | Alexander James | 1:04.57 | 8 | B: 55.39 (+9.18s | 14.2%) | Seahawks Swim club | 04/17/2026 | 2026 METS Long Course Kickoff | ||
| 4862 | Parker Bentel | 1:04.57 | 9 | B: 55.39 (+9.18s | 14.2%) | Island Aquatics | 05/30/2026 | 2026 MAGSA LCM A 2 Meet | ||
| 4863 | Nathaniel Hehn | 1:04.58 | 8 | B: 55.39 (+9.19s | 14.2%) | Valley Aquatics | 06/20/2025 | 2025 IE VS Starlight Open | ||
| 4864 | Zeus Erickson | 1:04.60 | 9 | B: 55.39 (+9.21s | 14.3%) | Stingray Swim Team | 05/28/2026 | 2026 IE VS Apple Capital | ||
| 4865 | Lucas Hunt | 1:04.61 | 9 | B: 55.39 (+9.22s | 14.3%) | Bay Club Panthers | 05/02/2026 | Alto Spring Jam CBA | ||
| 4866 | Gregory Wilems | 1:04.62 | 8 | B: 55.39 (+9.23s | 14.3%) | Mission Aurora Colorado Swimmi | 05/15/2026 | 2026 CO ACES Spring Invite | ||
| 4867 | Mateo Libreros | 1:04.63 | 10 | B: 55.39 (+9.24s | 14.3%) | Saint Andrew\\\\\\'s Aquatics | 05/22/2026 | 2026 Terrapin Invite | ||
| 4868 | Hunter Hall | 1:04.64 | 10 | B: 55.39 (+9.25s | 14.3%) | The Dalles Swim Team | 07/05/2025 | Pendleton Open 2025 | ||
| 4869 | Jaden Woodruff | 1:04.65 | 9 | B: 55.39 (+9.26s | 14.3%) | Stingrays Swim Team | 05/01/2026 | 2026 Helen Wang Sunflower Classic | ||
| 4870 | Jakob Landerholm | 1:04.65 | 6 | B: 55.39 (+9.26s | 14.3%) | Highbridge Aquatics | 06/26/2026 | 2026 Colonel Summer Classic Copied | ||
| 4871 | Jiayu Yang | 1:04.65 | 8 | B: 55.39 (+9.26s | 14.3%) | Csp Tideriders | 05/29/2026 | 2026 Meet Me In St Louis Invite | ||
| 4872 | Rowan Osborne | 1:04.66 | 9 | B: 55.39 (+9.27s | 14.3%) | Prineville Swim Team | 07/04/2026 | Pendleton Open 2026 | ||
| 4873 | Andrew Habek | 1:04.67 | 8 | B: 55.39 (+9.28s | 14.3%) | Kent County YMCA | 05/16/2026 | 2026 NE KCY Invitational | ||
| 4874 | Yusuf Shakir | 1:04.67 | 8 | B: 55.39 (+9.28s | 14.3%) | Rhode Island Aquatic Club | 04/26/2026 | 2026 NE RIAC Quahog Cup | ||
| 4875 | Cian Stiff | 1:04.67 | 9 | B: 55.39 (+9.28s | 14.3%) | Front Range Barracudas | 07/11/2025 | 2025 CO NCS Gold District Championships | ||
| 4876 | Julian Kau | 1:04.68 | 10 | B: 55.39 (+9.29s | 14.4%) | Palo Alto Stanford Aquatics | 05/17/2025 | 2025 LAMV SCM C B A+ | ||
| 4877 | Aiden Matzke | 1:04.68 | 7 | B: 55.39 (+9.29s | 14.4%) | Great Wolf Swim Team | 05/08/2026 | 2026 MN STRM Spring Startup | ||
| 4878 | Kai Toyama | 1:04.69 | 10 | B: 55.39 (+9.30s | 14.4%) | Maui Dolphins Swim Club | 05/30/2026 | 2026 MAGSA LCM A 2 Meet | ||
| 4879 | Eli Fincham | 1:04.69 | 10 | B: 55.39 (+9.30s | 14.4%) | Redmond Aquatic Club | 12/13/2025 | 2025 RACE December Intrasquad Meet | ||
| 4880 | Emmanuel Chavez | 1:04.72 | 9 | B: 55.39 (+9.33s | 14.4%) | Just Care Aquatics Tritons | 06/12/2026 | 2026 BD DSSC Poppas Day | ||
| 4881 | Adhrit Vijay Sai | 1:04.73 | 10 | B: 55.39 (+9.34s | 14.4%) | San Ramon Valley Aquatics | 06/13/2026 | Orinda PC LC AG C B BB+ | ||
| 4882 | Daniel Auth | 1:04.73 | 9 | B: 55.39 (+9.34s | 14.4%) | Apex | 07/19/2025 | Apex Intrasquad 3 | ||
| 4883 | Zack Zhang | 1:04.75 | 8 | B: 55.39 (+9.36s | 14.5%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | ||
| 4884 | Henry Zhao | 1:04.75 | 7 | B: 55.39 (+9.36s | 14.5%) | Blue Dolphin Swim Team | 06/14/2025 | 2025 IST June Invtational | ||
| 4885 | Emmett Magnani | 1:04.76 | 8 | B: 55.39 (+9.37s | 14.5%) | Columbus Aquatic Club | 05/16/2026 | 2026 Opelika Open | ||
| 4886 | Lucas Talbot | 1:04.76 | 8 | B: 55.39 (+9.37s | 14.5%) | San Jose Goosemonkeys | 06/20/2026 | Zone 1 South Swim Under The Stars | ||
| 4887 | Dylan Stanton-Geddes | 1:04.77 | 9 | B: 55.39 (+9.38s | 14.5%) | Champlain Valley Swim Academy- | 06/26/2026 | 2026 NE MST ESC June Memorial | ||
| 4888 | Alexander LeVering | 1:04.78 | 9 | B: 55.39 (+9.39s | 14.5%) | Utah Valley Aquatics | 05/29/2025 | 2025 UVRays Oviatt Open | ||
| 4889 | Ivan Osegueda | 1:04.78 | 9 | B: 55.39 (+9.39s | 14.5%) | YMCA of Austin Swim Alliance | 04/19/2026 | 2026 ST TXLA 10 U Long Course Kick Off | ||
| 4890 | Luca Gonzales | 1:04.79 | 9 | B: 55.39 (+9.40s | 14.5%) | YMCA of Austin Swim Alliance | 04/25/2026 | 2026 ST CCSS LC Unclassified | ||
| 4891 | Mark Loika | 1:04.80 | 10 | B: 55.39 (+9.41s | 14.5%) | Sarasota Tsunami Swim Team | 05/02/2026 | 2026 Sea Dragon May Open | ||
| 4892 | Beckett Malmin | 1:04.81 | 8 | B: 55.39 (+9.42s | 14.5%) | Aquajets Swim Team | 06/26/2025 | 2025 MN AQJT Aquajets Summer Spectacular | ||
| 4893 | Asher Helmer | 1:04.82 | 9 | B: 55.39 (+9.43s | 14.5%) | Seattle Metropolitan Aquatic C | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | ||
| 4894 | Silas Onyenwoke | 1:04.82 | 9 | B: 55.39 (+9.43s | 14.5%) | YMCA of the Triangle Area Swim | 05/15/2026 | 2026 EAC Memorial Invite | ||
| 4895 | Jack Rehmer | 1:04.84 | 9 | B: 55.39 (+9.45s | 14.6%) | Parkway-Rockwood Gateway Swim | 04/17/2026 | 2026 METS Long Course Kickoff | ||
| 4896 | Zichen Yan | 1:04.84 | 9 | B: 55.39 (+9.45s | 14.6%) | Laker Swim | 06/12/2025 | 2025 RAFC Summer Solstice | ||
| 4897 | Jeremiah Busenitz | 1:04.88 | 9 | B: 55.39 (+9.49s | 14.6%) | Central Coast Swim Club | 06/27/2025 | TEAM Summer Invitational | ||
| 4898 | Eli Wang | 1:04.88 | 8 | B: 55.39 (+9.49s | 14.6%) | Waves Of Wilmington Inc | 04/25/2026 | 2026 WAVE Sprint Into LC | ||
| 4899 | Anders Henriksen | 1:04.88 | 9 | B: 55.39 (+9.49s | 14.6%) | Stingray Swim Team | 05/29/2025 | 2025 IE VS Apple Capital | ||
| 4900 | Dean Loredo | 1:04.89 | 10 | B: 55.39 (+9.50s | 14.6%) | Streamline Aquatics | 06/11/2026 | 2026 ST NIST George Block 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.