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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1051 | John Coimbra | 45.39 | 10 | BB Min | A: 43.09 (+2.30s | 5.1%) | Tampa Y Swimming | 05/01/2026 | 2026 Stingrays Cinco De Mayo LCM Meet | |
| 1052 | Elijah Leshchenko | 45.39 | 10 | BB Min | A: 43.09 (+2.30s | 5.1%) | Patriot Aquatics | 06/26/2026 | 2026 Planet Swim Summer Championships | |
| 1053 | Houston Coghill | 45.40 | 10 | BB Min | A: 43.09 (+2.31s | 5.1%) | SwimEnergy Aquatics | 06/19/2026 | 2026 GCST MARK MCCAW SUMMER INVITE | |
| 1054 | Smith Mitchell | 45.40 | 8 | BB Min | A: 43.09 (+2.31s | 5.1%) | New Wave Swim Team | 04/25/2026 | 2026 WAVE Sprint Into LC | |
| 1055 | Jackson Macaluso | 45.41 | 10 | BB Min | A: 43.09 (+2.32s | 5.1%) | Tampa Elite Aquatics | 04/17/2026 | 2026 SAINT PETE S 1st LONG COURSE MEET | |
| 1056 | Kai Kitamori | 45.41 | 10 | BB Min | A: 43.09 (+2.32s | 5.1%) | East Bay Bat Rays | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 1057 | Rylan Brill | 45.42 | 10 | BB Min | A: 43.09 (+2.33s | 5.1%) | Colorado Stingrays Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 1058 | Ryan Nguyen | 45.42 | 10 | BB Min | A: 43.09 (+2.33s | 5.1%) | Sporting Jax Aquatic Club | 05/22/2026 | EAJ Mayhem 2026 | |
| 1059 | Nicolas Matteo | 45.42 | 10 | BB Min | A: 43.09 (+2.33s | 5.1%) | Nation\\\\\\'s Capital Swim Club | 05/01/2026 | Speedo Spring Splash | |
| 1060 | Nathan West | 45.43 | 10 | BB Min | A: 43.09 (+2.34s | 5.2%) | Carmel Swim Club | 06/04/2026 | 98th Ohio Valley Championships 2026 | |
| 1061 | Keaton Tanner | 45.44 | 10 | BB Min | A: 43.09 (+2.35s | 5.2%) | Firefish Aquatics | 06/05/2026 | HNVR Storm Surge 2026 | |
| 1062 | Marcus Pass | 45.44 | 9 | BB Min | A: 43.09 (+2.35s | 5.2%) | Sioux Falls Swim Team | 06/26/2026 | 2026 SD SFST Summer Surge Classic | |
| 1063 | Jacob Ethier | 45.44 | 9 | BB Min | A: 43.09 (+2.35s | 5.2%) | United Swim Club | 05/15/2026 | 2026 NE YNS May Specialty Meet | |
| 1064 | Jimmy Zheng | 45.44 | 8 | BB Min | A: 43.09 (+2.35s | 5.2%) | Tac Titans | 05/22/2026 | 2026 TAC TITANS Memorial Day Meet | |
| 1065 | Locke Kane | 45.44 | 9 | BB Min | A: 43.09 (+2.35s | 5.2%) | Lahaina Swim Club | 06/13/2026 | 2026 MAGSA LCM B 2 Meet | |
| 1066 | Krosby Thomure | 45.45 | 10 | BB Min | A: 43.09 (+2.36s | 5.2%) | Spokane Waves Aquatic Team | 06/19/2026 | 2026 SWAT Summer Solstice | |
| 1067 | Julien Nguyen | 45.46 | 10 | BB Min | A: 43.09 (+2.37s | 5.2%) | City of Mobile Swim Associatio | 04/18/2026 | 2026 CMSA First Chance LCM | |
| 1068 | Iker Ruiz Chacon | 45.46 | 10 | BB Min | A: 43.09 (+2.37s | 5.2%) | Tigres Uanl | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 1069 | Thomas Doyle | 45.46 | 8 | BB Min | A: 43.09 (+2.37s | 5.2%) | Csp Tideriders | 05/01/2026 | John Traube Memorial 2026 | |
| 1070 | Manning Reardon | 45.48 | 10 | BB Min | A: 43.09 (+2.39s | 5.3%) | City of Mobile Swim Associatio | 04/18/2026 | 2026 CMSA First Chance LCM | |
| 1071 | Jiho Won | 45.48 | 10 | BB Min | A: 43.09 (+2.39s | 5.3%) | Opelika Swim Team | 05/16/2026 | 2026 Opelika Open | |
| 1072 | Logan Yip | 45.48 | 10 | BB Min | A: 43.09 (+2.39s | 5.3%) | South San Francisco Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 1073 | Beau Reetz | 45.48 | 8 | BB Min | A: 43.09 (+2.39s | 5.3%) | Lakeside Swim Team | 06/04/2026 | 98th Ohio Valley Championships 2026 | |
| 1074 | Thomas Comport | 45.49 | 8 | BB Min | A: 43.09 (+2.40s | 5.3%) | Highbridge Aquatics | 06/05/2026 | 25th Annual CLPR David Webb Meet | |
| 1075 | Ethan Piorkowski | 45.50 | 10 | BB Min | A: 43.09 (+2.41s | 5.3%) | Bolles School Sharks | 06/18/2026 | 2026 June Classic | |
| 1076 | Jonathan Li | 45.51 | 8 | BB Min | A: 43.09 (+2.42s | 5.3%) | Brea Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 1077 | John Golightly | 45.51 | 9 | BB Min | A: 43.09 (+2.42s | 5.3%) | Indian River Aquatics | 06/13/2026 | 2026 TCA Aaron Vaughn Memorial | |
| 1078 | Lincoln Brabner | 45.53 | 10 | BB Min | A: 43.09 (+2.44s | 5.4%) | Greater Pensacola Aquatic Club | 05/02/2026 | 2026 GPAC Flip Flop Invitational | |
| 1079 | Harrison Novack | 45.54 | 8 | BB Min | A: 43.09 (+2.45s | 5.4%) | Platinum Aquatics | 06/05/2026 | 2026 ST SRG Arena Surge Shark Sizzler | |
| 1080 | Benjamin Krizay | 45.54 | 10 | BB Min | A: 43.09 (+2.45s | 5.4%) | Southwest Stars Swim Club | 04/11/2026 | 2026 Ron Nardozzi Pre Derby Sprint Invite C | |
| 1081 | Maddix Loh | 45.54 | 10 | BB Min | A: 43.09 (+2.45s | 5.4%) | Planet Swim Aquatics | 06/26/2026 | 2026 Planet Swim Summer Championships | |
| 1082 | Jonathan Brightwell | 45.54 | 10 | BB Min | A: 43.09 (+2.45s | 5.4%) | Wake Aquatics | 05/16/2026 | 2026 Opelika Open | |
| 1083 | Thomas McIlwain | 45.55 | 10 | BB Min | A: 43.09 (+2.46s | 5.4%) | Smac | 04/18/2026 | 2026 SwimRVA Carnation Clash | |
| 1084 | Maximilian Zhou | 45.55 | 9 | BB Min | A: 43.09 (+2.46s | 5.4%) | Alto Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 1085 | Hayden Uran | 45.56 | 10 | BB Min | A: 43.09 (+2.47s | 5.4%) | Cypress Fairbanks Swim Club | 06/12/2026 | 2026 ST TXLA Texas Open Invite | |
| 1086 | Ryan Gan | 45.56 | 9 | BB Min | A: 43.09 (+2.47s | 5.4%) | Crimson Aquatics | 06/12/2026 | 2026 NE CS Summer Solstice | |
| 1087 | Darsh Pokale | 45.57 | 9 | BB Min | A: 43.09 (+2.48s | 5.4%) | South East Metro Sharks | 05/03/2026 | 2026 MN SEMS LC Invite | |
| 1088 | Benjamin Carusone | 45.57 | 9 | BB Min | A: 43.09 (+2.48s | 5.4%) | Westlake Aquatic Facility | 06/27/2025 | 2025 ST HPAC Long Course STX Championship | |
| 1089 | Ethan Duncan | 45.58 | 10 | BB Min | A: 43.09 (+2.49s | 5.5%) | All Star Aquatics | 05/17/2024 | HNVR Storm Surge 2024 | |
| 1090 | Conrad Brenner | 45.58 | 9 | BB Min | A: 43.09 (+2.49s | 5.5%) | Lakeside Swim Team | 05/15/2026 | 2026 Triton Summer Launch | |
| 1091 | Henry Hodes | 45.58 | 8 | BB Min | A: 43.09 (+2.49s | 5.5%) | Executive Swim Club | 05/30/2026 | 2026 NE NSSC May Invitational At Colby | |
| 1092 | Austin Volz | 45.58 | 9 | BB Min | A: 43.09 (+2.49s | 5.5%) | Nitro Swimming | 06/20/2026 | 2026 ST NTRO LC Summer Classic | |
| 1093 | Camden Saxton | 45.58 | 10 | BB Min | A: 43.09 (+2.49s | 5.5%) | Sheridan Swim Team | 05/29/2026 | 2026 Meet Me In St Louis Invite | |
| 1094 | George Peters | 45.59 | 10 | BB Min | A: 43.09 (+2.50s | 5.5%) | Rochester Swim Club | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 1095 | Leo Ioffe | 45.59 | 10 | BB Min | A: 43.09 (+2.50s | 5.5%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 1096 | Sanders Ford | 45.59 | 9 | BB Min | A: 43.09 (+2.50s | 5.5%) | Las Cruces Aquatic Team | 06/12/2026 | 2026 BD DSSC Poppas Day | |
| 1097 | Julian Chan | 45.60 | 10 | BB Min | A: 43.09 (+2.51s | 5.5%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 1098 | Silvio Leal | 45.61 | 10 | BB Min | A: 43.09 (+2.52s | 5.5%) | Maui Swim Club | 05/02/2026 | 2026 MAGSA LCM B 1 Meet | |
| 1099 | Cameron Smith | 45.61 | 10 | BB Min | A: 43.09 (+2.52s | 5.5%) | Great Wolf Swim Team | 05/28/2026 | 2026 MN WOLF HUFF N PUFF INVITE | |
| 1100 | Isaac Burla | 45.61 | 10 | BB Min | A: 43.09 (+2.52s | 5.5%) | South East Metro Sharks | 05/08/2026 | 2026 MN STRM Spring Startup | |
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.