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 | Logan Zhou | 44.14 | 9 | BB Min | A: 43.09 (+1.05s | 2.4%) | Mason Manta Rays | 07/23/2026 | 2026 OH LC Junior Championships | |
| 902 | Matthew Ko | 44.15 | 10 | BB Min | A: 43.09 (+1.06s | 2.4%) | Aspire Aquatics of Colorado | 06/26/2026 | 2026 CO Zone 2 District Meet AAC | |
| 903 | Duke Guo | 44.15 | 10 | BB Min | A: 43.09 (+1.06s | 2.4%) | McAllen Swim Club | 04/11/2026 | 2026 ST LC BAS April Swim Meet | |
| 904 | Evan Johnson | 44.16 | 9 | BB Min | A: 43.09 (+1.07s | 2.4%) | Bolles School Sharks | 06/18/2026 | 2026 June Classic | |
| 905 | Grant Thomas | 44.17 | 10 | BB Min | A: 43.09 (+1.08s | 2.4%) | YMCA of the Triangle Area Swim | 06/26/2026 | 2026 MOR Long Course Qualifier | |
| 906 | Jayan Naik | 44.18 | 10 | BB Min | A: 43.09 (+1.09s | 2.5%) | Capital of Texas Aquatics | 06/05/2026 | 2026 ST SRG Arena Surge Shark Sizzler | |
| 907 | Owen Adalia | 44.18 | 9 | BB Min | A: 43.09 (+1.09s | 2.5%) | Sporting Jax Aquatic Club | 07/24/2026 | 2026 Area 1 LCM Championships | |
| 908 | John Baker | 44.19 | 10 | BB Min | A: 43.09 (+1.10s | 2.5%) | Hinsdale Swim Club | 06/26/2026 | 2026 SE Richard Quick Invitational | |
| 909 | Erik Ang | 44.19 | 10 | BB Min | A: 43.09 (+1.10s | 2.5%) | EL Paso Border Land Swim Team | 05/16/2026 | 2026 BD SWAT School S Out Summer Bash | |
| 910 | Oliver Song Zhang | 44.19 | 10 | BB Min | A: 43.09 (+1.10s | 2.5%) | West Coast Aquatics | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 911 | Eduardo Souza | 44.19 | 10 | BB Min | A: 43.09 (+1.10s | 2.5%) | Gulliver Swim Club | 06/17/2026 | Swim Fort Lauderdale Speedo Summer Classic 26 | |
| 912 | Henry Wang | 44.19 | 9 | BB Min | A: 43.09 (+1.10s | 2.5%) | Arctic Aquatics | 04/11/2026 | 2026 NE CS Season Opener | |
| 913 | Finn Reutter | 44.20 | 9 | BB Min | A: 43.09 (+1.11s | 2.5%) | Planet Swim Aquatics | 06/26/2026 | 2026 Planet Swim Summer Championships | |
| 914 | Cash Wellhoefer | 44.20 | 10 | BB Min | A: 43.09 (+1.11s | 2.5%) | Jcc Waves | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 915 | Barrett Martin | 44.21 | 9 | BB Min | A: 43.09 (+1.12s | 2.5%) | Nashville Aquatic Club | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 916 | Wesley Lang | 44.21 | 9 | BB Min | A: 43.09 (+1.12s | 2.5%) | River Road Swim Team | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 917 | Jonathan Nguyen | 44.21 | 10 | BB Min | A: 43.09 (+1.12s | 2.5%) | Sandpipers of Nevada | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 918 | Cameron Day | 44.22 | 10 | BB Min | A: 43.09 (+1.13s | 2.6%) | Mission Viejo Nadadores | 06/11/2026 | 2026 SCS June AG Invite | |
| 919 | Aidan Campbell | 44.22 | 9 | BB Min | A: 43.09 (+1.13s | 2.6%) | Loyola Blakefield Aquatics | 07/29/2026 | 2026 MD LSC LC Championship | |
| 920 | Logan Roux | 44.23 | 9 | BB Min | A: 43.09 (+1.14s | 2.6%) | City of Mobile Swim Associatio | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 921 | Benjamin Leger | 44.24 | 10 | BB Min | A: 43.09 (+1.15s | 2.6%) | Unattached | 05/01/2026 | 2026 HOKI May Day Invite Copied | |
| 922 | Easton Fairbank | 44.24 | 8 | BB Min | A: 43.09 (+1.15s | 2.6%) | Flatiron Athletic Club | 06/26/2026 | 2026 CO Zone 2 District Meet AAC | |
| 923 | Arjun Patlolla | 44.25 | 10 | BB Min | A: 43.09 (+1.16s | 2.6%) | Tac Titans | 06/19/2026 | 2026 TAC TITANS Summer Trident Meet | |
| 924 | Charles Tan | 44.25 | 10 | BB Min | A: 43.09 (+1.16s | 2.6%) | Eastside Aquatic Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 925 | Robert Liu | 44.25 | 9 | BB Min | A: 43.09 (+1.16s | 2.6%) | Csp Tideriders | 07/23/2026 | 2026 Ozark Long Course Champs Copied | |
| 926 | Enzo Lourenco | 44.26 | 9 | BB Min | A: 43.09 (+1.17s | 2.6%) | McCallie-GPS Aquatics | 06/18/2026 | 2026 Tennessee Aquatics June Invitational | |
| 927 | Leland Urban | 44.27 | 9 | BB Min | A: 43.09 (+1.18s | 2.7%) | City of Mobile Swim Associatio | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 928 | Finnley Greenwood | 44.27 | 10 | BB Min | A: 43.09 (+1.18s | 2.7%) | Ocean Pines Swim Team | 07/29/2026 | 2026 MD LSC LC Championship | |
| 929 | Vihaan Ayithabathula | 44.28 | 10 | BB Min | A: 43.09 (+1.19s | 2.7%) | Tac Titans | 06/19/2026 | 2026 TAC TITANS Summer Trident Meet | |
| 930 | Jed El Abed | 44.28 | 10 | BB Min | A: 43.09 (+1.19s | 2.7%) | H2o Swim Team | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 931 | Andrew Koepp | 44.29 | 10 | BB Min | A: 43.09 (+1.20s | 2.7%) | Cumming Waves | 04/25/2026 | 2026 SE Jimi Flowers Spring Splash Copied | |
| 932 | Ryan Sexstone | 44.30 | 10 | BB Min | A: 43.09 (+1.21s | 2.7%) | Nova of Virginia | 06/25/2026 | LC Central District Champs | |
| 933 | Emory Saye | 44.30 | 10 | BB Min | A: 43.09 (+1.21s | 2.7%) | Hampton Virginia Current | 06/05/2026 | 2026 TIDE Schools Out Classic | |
| 934 | Brian Zhang | 44.30 | 8 | BB Min | A: 43.09 (+1.21s | 2.7%) | Rose Bowl Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 935 | George Crumpler | 44.31 | 9 | BB Min | A: 43.09 (+1.22s | 2.8%) | Tac Titans | 07/05/2026 | 2026 TAC July Qualifier Meet | |
| 936 | Anderson Cox | 44.32 | 10 | BB Min | A: 43.09 (+1.23s | 2.8%) | Firefish Aquatics | 06/19/2026 | 2026 Firefish June Jam | |
| 937 | Bryce Alpert | 44.32 | 9 | BB Min | A: 43.09 (+1.23s | 2.8%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 938 | Jeffrey Xin | 44.32 | 8 | BB Min | A: 43.09 (+1.23s | 2.8%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 939 | Stuart Franks | 44.33 | 9 | BB Min | A: 43.09 (+1.24s | 2.8%) | Marlins Of Raleigh | 06/13/2026 | 2026 MOR Liberty Meet | |
| 940 | Henry Luevano | 44.33 | 9 | BB Min | A: 43.09 (+1.24s | 2.8%) | Aces Swim Club | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 941 | Max Matov | 44.33 | 10 | BB Min | A: 43.09 (+1.24s | 2.8%) | Commonwealth Swimming | 05/01/2026 | 2026 NE CS Spring Fling | |
| 942 | Thomas Doyle | 44.34 | 8 | BB Min | A: 43.09 (+1.25s | 2.8%) | Csp Tideriders | 07/23/2026 | 2026 Ozark Long Course Champs Copied | |
| 943 | Shane Kirkwood | 44.34 | 10 | BB Min | A: 43.09 (+1.25s | 2.8%) | Lake Oswego Swim Club | 08/01/2026 | 2026 GACC End Of Season | |
| 944 | Saien Wu | 44.35 | 10 | BB Min | A: 43.09 (+1.26s | 2.8%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 945 | Kyle Wang | 44.35 | 10 | BB Min | A: 43.09 (+1.26s | 2.8%) | Freedom Aquatics | 08/06/2025 | 2025 Summer Elite Showcase | |
| 946 | Samuel Evanovich | 44.36 | 10 | BB Min | A: 43.09 (+1.27s | 2.9%) | Unattached | 05/16/2026 | BIG ISLAND SWIMMING @ KCAC | |
| 947 | Harrison Gordon | 44.36 | 10 | BB Min | A: 43.09 (+1.27s | 2.9%) | Frederick Area Swim Team | 07/24/2026 | 2026 Maryland Long Course Junior Championship | |
| 948 | Samuel Hora | 44.36 | 10 | BB Min | A: 43.09 (+1.27s | 2.9%) | Montrose Marlins Swim Club | 06/18/2026 | 2026 CO Grand Junction Invitational | |
| 949 | Vance Schilling | 44.37 | 9 | BB Min | A: 43.09 (+1.28s | 2.9%) | C.M. Gatton Beaumont YMCA | 05/15/2026 | Kentucky Aquatics Derby Classic | |
| 950 | Easton Minervini | 44.37 | 9 | BB Min | A: 43.09 (+1.28s | 2.9%) | Southwest Stars Swim Club | 06/11/2026 | 2026 RAFC Summer Solstice 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.