Unattached Boys 10 & under - 50 Y Back
These rankings show the swimmers' placement within their Local Swimming Committee (LSC).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 | |
|---|---|---|---|---|---|---|---|---|---|
| 51 | Callum Squibb | 36.82 | 9 | A Min | AA: 35.79 (+1.03s | 2.8%) | Klamath Union | 02/14/2025 | 2025 OR HS 4a 2 | |
| 52 | Yutaka Marescot | 37.00 | 10 | A Min | AA: 35.79 (+1.21s | 3.3%) | Phoenix Aquatic Club | 01/23/2026 | 2026 MR PAC Winter Classic Invitational | |
| 53 | Francisco Santiago | 37.80 | 10 | BB Min | A: 37.59 (+0.21s | 0.6%) | San Juan Carib� | 11/21/2025 | 2025 RAFC Almost Turkey Invitational | |
| 54 | Tristan Patroni | 37.97 | 9 | BB Min | A: 37.59 (+0.38s | 1.0%) | Meadow | 11/10/2024 | Fall Jamboree Invitational 2024 | |
| 55 | Gavin Morris | 37.99 | 9 | BB Min | A: 37.59 (+0.40s | 1.1%) | Anacortes | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 56 | Matthew De Moraes | 38.07 | 10 | BB Min | A: 37.59 (+0.48s | 1.3%) | YMCA of Greater Seattle | 10/11/2025 | 2025 PSSA October Challenge APPROVED | |
| 57 | Rene Lopez | 38.18 | 10 | BB Min | A: 37.59 (+0.59s | 1.5%) | Aquax Centro Deportivo | 11/14/2025 | 2025 BD Turkey Splash | |
| 58 | Jack Swaffin-Smith | 38.20 | 10 | BB Min | A: 37.59 (+0.61s | 1.6%) | Zone 1 North All Stars | 05/18/2025 | 2025 Pacific Swimming Zone All Star Meet | |
| 59 | Bosco Sung | 38.48 | 13 | BB Min | A: 37.59 (+0.89s | 2.3%) | Soda Fall | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 60 | Ryan Kim | 38.63 | 10 | BB Min | A: 37.59 (+1.04s | 2.7%) | Saline Swim Team | 12/13/2025 | 2025 DRD Winter Solstice Meet | |
| 61 | Andrew Zdrada | 38.64 | 9 | BB Min | A: 37.59 (+1.05s | 2.7%) | Saline Swim Team | 02/14/2026 | SAC Winter Classic | |
| 62 | Hengrui Cao | 38.73 | 10 | BB Min | A: 37.59 (+1.14s | 2.9%) | Saline Swim Team | 02/06/2026 | SST Snowstorm Splash | |
| 63 | Wyatt Baker | 38.83 | 9 | BB Min | A: 37.59 (+1.24s | 3.2%) | Kentridge | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 64 | Timothy Park | 38.88 | 10 | BB Min | A: 37.59 (+1.29s | 3.3%) | Phoenix Aquatic Club | 12/06/2025 | 2025 MR PAC 12 U Holiday Invitational | |
| 65 | Hengyu Cao | 38.99 | 10 | BB Min | A: 37.59 (+1.40s | 3.6%) | Saline Swim Team | 02/06/2026 | SST Snowstorm Splash | |
| 66 | Mason Wright | 39.48 | 9 | BB Min | A: 37.59 (+1.89s | 4.8%) | Saline Swim Team | 11/21/2025 | 2025 SST Fall Classic | |
| 67 | Michael Gawrys | 39.87 | 10 | BB Min | A: 37.59 (+2.28s | 5.7%) | Swim Fort Lauderdale | 11/21/2025 | 2025 RAFC Almost Turkey Invitational | |
| 68 | Peter Scott | 40.03 | 9 | BB Min | A: 37.59 (+2.44s | 6.1%) | Sleepy Hollow | 11/10/2024 | Fall Jamboree Invitational 2024 | |
| 69 | Luca Tutill | 40.13 | 9 | BB Min | A: 37.59 (+2.54s | 6.3%) | Sleepy Hollow | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 70 | Bradley Chu | 40.26 | 9 | BB Min | A: 37.59 (+2.67s | 6.6%) | Phoenix Aquatic Club | 12/06/2025 | 2025 MR PAC 12 U Holiday Invitational | |
| 71 | Brennan Nance | 40.33 | 10 | BB Min | A: 37.59 (+2.74s | 6.8%) | Saline Swim Team | 02/06/2026 | SST Snowstorm Splash | |
| 72 | Cole Su | 40.44 | 10 | BB Min | A: 37.59 (+2.85s | 7.0%) | Meadow | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 73 | Jacob Wellings | 40.54 | 9 | BB Min | A: 37.59 (+2.95s | 7.3%) | Phoenix Aquatic Club | 12/06/2025 | 2025 MR PAC 12 U Holiday Invitational | |
| 74 | Aiden Fry | 40.74 | 10 | BB Min | A: 37.59 (+3.15s | 7.7%) | Alleghany Highlands YMCA Dolph | 01/02/2026 | 2026 LY Winter Invitational | |
| 75 | James Heilbronn | 40.78 | 10 | BB Min | A: 37.59 (+3.19s | 7.8%) | Saline Swim Team | 02/14/2026 | SAC Winter Classic | |
| 76 | Carter Manning | 40.82 | 9 | BB Min | A: 37.59 (+3.23s | 7.9%) | Richland | 01/11/2025 | 2025 Kentridge HS Invitational BOYS OBSERVED | |
| 77 | Andrew Stoffers | 40.83 | 9 | BB Min | A: 37.59 (+3.24s | 7.9%) | Oregon City | 02/15/2025 | 2025 OR HS 6A 5 | |
| 78 | Kayseik Sharman | 40.90 | 10 | BB Min | A: 37.59 (+3.31s | 8.1%) | Cysc Riptide | 01/31/2026 | 2026 MW App NYA January YMCA Meet | |
| 79 | Emiliano Marrufo | 41.42 | 9 | BB Min | A: 37.59 (+3.83s | 9.2%) | Aquax Centro Deportivo | 11/14/2025 | 2025 BD Turkey Splash | |
| 80 | Owen Melin | 41.43 | 8 | BB Min | A: 37.59 (+3.84s | 9.3%) | Swim Fort Lauderdale | 01/23/2026 | SPEEDO CUP CLOSED INVITE Copied | |
| 81 | Carwyn Le Roux | 41.50 | 8 | BB Min | A: 37.59 (+3.91s | 9.4%) | Sleepy Hollow | 11/10/2024 | Fall Jamboree Invitational 2024 | |
| 82 | Noah Nabity | 41.63 | 10 | BB Min | A: 37.59 (+4.04s | 9.7%) | Blair YMCA Swim Team | 02/07/2026 | 2026 MW App HYAC February Y Meet | |
| 83 | Everett Kennard | 41.73 | 9 | BB Min | A: 37.59 (+4.14s | 9.9%) | Crosshill Christian | 02/14/2025 | 2025 OR HS 4a 4 | |
| 84 | Youngyul Kim | 41.75 | 9 | BB Min | A: 37.59 (+4.16s | 10.0%) | Phoenix Aquatic Club | 01/23/2026 | 2026 MR PAC Winter Classic Invitational | |
| 85 | Benjamin Shen | 42.02 | 9 | BB Min | A: 37.59 (+4.43s | 10.5%) | Soda Fall | 11/10/2024 | Fall Jamboree Invitational 2024 | |
| 86 | Noah Nabity | 42.25 | 10 | BB Min | A: 37.59 (+4.66s | 11.0%) | Blair YMCA Swim Team | 11/09/2025 | 2025 MW App LYD Y ThankSwimming | |
| 87 | Lucas Nieves | 42.46 | 10 | BB Min | A: 37.59 (+4.87s | 11.5%) | San Juan Carib� | 11/21/2025 | 2025 RAFC Almost Turkey Invitational | |
| 88 | Isaac Ramos | 42.49 | 9 | BB Min | A: 37.59 (+4.90s | 11.5%) | Jesuit | 02/14/2025 | 2025 OR HS 6a 2 | |
| 89 | Noah Nabity | 42.64 | 10 | BB Min | A: 37.59 (+5.05s | 11.8%) | Blair YMCA Swim Team | 01/31/2026 | 2026 MW App NYA January YMCA Meet | |
| 90 | Roha Joo | 42.70 | 9 | BB Min | A: 37.59 (+5.11s | 12.0%) | Phoenix Aquatic Club | 11/08/2025 | 2025 MR PAC Maria Parmanan Invitational | |
| 91 | Nicolas Lopez | 42.88 | 10 | BB Min | A: 37.59 (+5.29s | 12.3%) | Cape Cod Swim Club | 11/07/2025 | 2025 NE CCSC Shoot Outs Meet Copied | |
| 92 | Ethan Lee | 42.89 | 10 | BB Min | A: 37.59 (+5.30s | 12.4%) | Phoenix Aquatic Club | 10/18/2025 | 2025 MR WEST Tricia Dewey Tails Of Hope | |
| 93 | Noah Olusanya | 42.90 | 9 | B Min | BB: 42.89 (+0.01s | 0.0%) | Wahoos of Jacksonville | 11/22/2025 | 2025 SJAC Turkey Meet | |
| 94 | Bryson Lasoff | 42.98 | 8 | B Min | BB: 42.89 (+0.09s | 0.2%) | Wahoos of Jacksonville | 01/18/2025 | 2025 GOAT TYR Team Challenge And SYOA | |
| 95 | Jack Campbell | 43.06 | 9 | B Min | BB: 42.89 (+0.17s | 0.4%) | Moraga Valley Pool | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 96 | Charlie Jones | 43.12 | 9 | B Min | BB: 42.89 (+0.23s | 0.5%) | Everett | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 97 | Jonathan Martinez | 43.26 | 9 | B Min | BB: 42.89 (+0.37s | 0.9%) | Mark Morris High School | 01/11/2025 | 2025 Kentridge HS Invitational BOYS OBSERVED | |
| 98 | David Attestatov | 43.42 | 11 | B Min | BB: 42.89 (+0.53s | 1.2%) | Soda Fall | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 99 | James Keith | 43.50 | 10 | B Min | BB: 42.89 (+0.61s | 1.4%) | Morgan Family Sea Dragons | 01/24/2026 | 2026 WA State Y Championship Meet | |
| 100 | Robert Lalji | 43.52 | 9 | B Min | BB: 42.89 (+0.63s | 1.4%) | Swim Fort Lauderdale | 12/05/2025 | 2025 FG Holiday Champ | |
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.