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 | |
|---|---|---|---|---|---|---|---|---|---|
| 901 | Ryan Hamby | 44.62 | 9 | BB Min | A: 43.09 (+1.53s | 3.4%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 902 | Zander Berenson | 44.62 | 9 | BB Min | A: 43.09 (+1.53s | 3.4%) | Tac Titans | 07/24/2026 | 2026 TAC TITANS Closeout Meet | |
| 903 | Colt Lybrand | 44.62 | 10 | BB Min | A: 43.09 (+1.53s | 3.4%) | Unattached | 06/19/2026 | 2026 GCST MARK MCCAW SUMMER INVITE | |
| 904 | Kaito Kinnaird | 44.62 | 10 | BB Min | A: 43.09 (+1.53s | 3.4%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 905 | Ethan Renehan | 44.63 | 8 | BB Min | A: 43.09 (+1.54s | 3.5%) | Monocacy Aquatic Club | 07/24/2026 | 2026 Maryland Long Course Junior Championship | |
| 906 | Lincoln Wenner | 44.63 | 10 | BB Min | A: 43.09 (+1.54s | 3.5%) | Unattached | 06/19/2026 | 2026 MultiCultural Zones | |
| 907 | Zaiden Vlahos | 44.63 | 9 | BB Min | A: 43.09 (+1.54s | 3.5%) | Triton Swimming of Louisville | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | |
| 908 | River Bello | 44.64 | 10 | BB Min | A: 43.09 (+1.55s | 3.5%) | Wyckoff YMCA | 05/30/2026 | 2026 HACY Summer Solstice | |
| 909 | Jonas Inscoe | 44.65 | 9 | BB Min | A: 43.09 (+1.56s | 3.5%) | Waterloo Swimming | 06/26/2026 | 2026 NEAT Long Course STX Championship | |
| 910 | Waring Boon | 44.66 | 8 | BB Min | A: 43.09 (+1.57s | 3.5%) | Tac Titans | 05/22/2026 | 2026 TAC TITANS Memorial Day Meet | |
| 911 | David Son | 44.66 | 9 | BB Min | A: 43.09 (+1.57s | 3.5%) | Mission Aurora Colorado Swimmi | 06/06/2026 | 2026 CO MACS Suburban League Invite | |
| 912 | Everett Gerlock | 44.67 | 9 | BB Min | A: 43.09 (+1.58s | 3.5%) | Gunnison Stingrays | 07/10/2026 | 2026 CO Western Slope League Championships | |
| 913 | Daniel Yates | 44.68 | 10 | BB Min | A: 43.09 (+1.59s | 3.6%) | Upper Valley Aquatic Club | 06/26/2026 | 2026 NE MST ESC June Memorial | |
| 914 | Adrian Goo | 44.68 | 10 | BB Min | A: 43.09 (+1.59s | 3.6%) | Walnut Creek Aquabears | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 915 | Silas Roland | 44.68 | 10 | BB Min | A: 43.09 (+1.59s | 3.6%) | Univ. of Denver Hilltoppers | 07/11/2026 | 2026 CO SBL Summer Sizzler | |
| 916 | Ethan Huang | 44.69 | 10 | BB Min | A: 43.09 (+1.60s | 3.6%) | Rose Bowl Aquatics | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 917 | Yanbo LI | 44.69 | 10 | BB Min | A: 43.09 (+1.60s | 3.6%) | Seattle Metropolitan Aquatic C | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 918 | Sanders Ford | 44.69 | 9 | BB Min | A: 43.09 (+1.60s | 3.6%) | Las Cruces Aquatic Team | 06/26/2026 | 2026 BD EPAP Jack White Memorial Classic | |
| 919 | Brooks Noblett | 44.70 | 10 | BB Min | A: 43.09 (+1.61s | 3.6%) | Westlake Aquatic Facility | 04/19/2026 | 2026 ST TXLA 10 U Long Course Kick Off | |
| 920 | Johnathan Rudd | 44.71 | 10 | BB Min | A: 43.09 (+1.62s | 3.6%) | Jupiter Dragons Swim Team | 05/08/2026 | 2026 Wellington May Long Course Meet | |
| 921 | Calder Brelsford-La Badie | 44.71 | 10 | BB Min | A: 43.09 (+1.62s | 3.6%) | Bainbridge Island Swim Club | 07/23/2026 | 2026 PN 12 U Long Course Championships Appro | |
| 922 | Gustavo Granados | 44.71 | 9 | BB Min | A: 43.09 (+1.62s | 3.6%) | Fenix Swim Club | 05/22/2026 | 2026 Doral Swim Club LCM Spring Invite | |
| 923 | Beau Jakubowski | 44.71 | 9 | BB Min | A: 43.09 (+1.62s | 3.6%) | Aces Swim Club | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 924 | Nicholas Chen | 44.72 | 9 | BB Min | A: 43.09 (+1.63s | 3.6%) | Kingfish Swimming Medfield | 06/26/2026 | 2026 NE NSSC June 26 28 MIT Invitational | |
| 925 | William Knauss IV | 44.72 | 8 | BB Min | A: 43.09 (+1.63s | 3.6%) | Nation\\\\\\'s Capital Swim Club | 06/05/2026 | HNVR Storm Surge 2026 | |
| 926 | Jack Rissman | 44.72 | 9 | BB Min | A: 43.09 (+1.63s | 3.6%) | Edina Swim Club | 06/05/2026 | 2026 MN NSAC Summer Invite | |
| 927 | Ryder Carsey | 44.73 | 10 | B: 44.49 (+0.24s | 0.5%) | Greater Toledo Aquatic Club | 07/23/2026 | 2026 OH LC Junior Championships | ||
| 928 | Campbell Leverett | 44.73 | 8 | BB Min | A: 43.09 (+1.64s | 3.7%) | Saluki Swim Club | 05/29/2026 | 2026 Meet Me In St Louis Invite | |
| 929 | Brandon Son | 44.73 | 9 | BB Min | A: 43.09 (+1.64s | 3.7%) | Columbia River Swim Team | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 930 | Mo Chen | 44.73 | 10 | BB Min | A: 43.09 (+1.64s | 3.7%) | Wave Aquatics | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 931 | Vincent Schremer | 44.74 | 9 | BB Min | A: 43.09 (+1.65s | 3.7%) | Life Time Oregon Swim Team | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 932 | Felix Wang | 44.74 | 10 | BB Min | A: 43.09 (+1.65s | 3.7%) | Eastside Aquatic Swim Team | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 933 | Emil Kirov | 44.75 | 10 | BB Min | A: 43.09 (+1.66s | 3.7%) | Andover-North Andover YMCA Hur | 07/11/2026 | 2026 NE YNS July Last Chance Meet | |
| 934 | Dalton Dodson | 44.75 | 9 | BB Min | A: 43.09 (+1.66s | 3.7%) | Hydra Aquatics | 07/23/2026 | 2026 OH LC Junior Championships | |
| 935 | Amos Saladino | 44.75 | 10 | BB Min | A: 43.09 (+1.66s | 3.7%) | Sarasota Tsunami Swim Team | 05/02/2026 | 2026 Sea Dragon May Open | |
| 936 | Preston Call | 44.75 | 9 | BB Min | A: 43.09 (+1.66s | 3.7%) | Ensworth Aquatics | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 937 | Finn Winchell | 44.76 | 10 | BB Min | A: 43.09 (+1.67s | 3.7%) | Lowes YMCA Lightning Swim Team | 06/26/2026 | 2026 USRY LC Championships | |
| 938 | Ryan Kummer | 44.76 | 10 | BB Min | A: 43.09 (+1.67s | 3.7%) | Aquatic Team Of Mecklenburg | 07/08/2026 | ATOM LC Finale 2026 | |
| 939 | Marcello Rinaldi | 44.76 | 10 | BB Min | A: 43.09 (+1.67s | 3.7%) | Minnetonka Swim Club | 05/08/2026 | 2026 MN STRM Spring Startup | |
| 940 | Levi Cheung | 44.76 | 8 | BB Min | A: 43.09 (+1.67s | 3.7%) | Beaverton Area Aquatics Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 941 | Lucas Moyal | 44.77 | 9 | BB Min | A: 43.09 (+1.68s | 3.8%) | Amherst Tritons Swim Team | 06/20/2026 | 2026 NE NSSC Invitational Springfield College | |
| 942 | Jenson Beal | 44.77 | 8 | BB Min | A: 43.09 (+1.68s | 3.8%) | Sporting Jax Aquatic Club | 07/24/2026 | 2026 Area 1 LCM Championships | |
| 943 | Asher Gersick | 44.78 | 10 | BB Min | A: 43.09 (+1.69s | 3.8%) | Lamarlins Swim Team, Inc. | 07/24/2026 | 2026 CO SECAL Championship Meet | |
| 944 | James Mauldin | 44.79 | 10 | BB Min | A: 43.09 (+1.70s | 3.8%) | Huntsville Swim Association | 06/26/2026 | 2026 HSA June Invitational | |
| 945 | Kian Bryson | 44.80 | 10 | BB Min | A: 43.09 (+1.71s | 3.8%) | Lake Oswego Swim Club | 06/06/2025 | 2025 THSC June Invitational | |
| 946 | Nathan Bailey | 44.80 | 10 | BB Min | A: 43.09 (+1.71s | 3.8%) | Canyons Aquatic Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 947 | Mateo Tinoco Iraheta | 44.80 | 9 | BB Min | A: 43.09 (+1.71s | 3.8%) | Walla Walla Swim Club | 07/24/2026 | 2026 IES LC CHAMPIONSHIPS | |
| 948 | William Hall | 44.81 | 9 | BB Min | A: 43.09 (+1.72s | 3.8%) | Tennessee Aquatics | 06/18/2026 | 2026 Tennessee Aquatics June Invitational | |
| 949 | Leo Grace | 44.81 | 8 | BB Min | A: 43.09 (+1.72s | 3.8%) | Unattached | 07/24/2026 | 2026 IES LC CHAMPIONSHIPS | |
| 950 | Henry Broadhurst | 44.82 | 10 | BB Min | A: 43.09 (+1.73s | 3.9%) | SwimRVA | 06/12/2026 | 2026 SwimRVA Summer 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.