Waterloo Swimming Boys 11-12 50 Y Back
These rankings show the swimmers' placement within their swim team.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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Ezra Robertson-Marsh | 29.10 | 12 | AAA Min | AAAA: 28.19 (+0.91s | 3.1%) | Waterloo Swimming | 10/10/2025 | 2025 ST ASC Bob Thompson Open | |
| 2 | Caden Qu | 29.78 | 12 | AA Min | AAA: 29.69 (+0.09s | 0.3%) | Waterloo Swimming | 10/17/2025 | 2025 ST TXLA 11 Over Fall Kick Off Invite | |
| 3 | Naru Kim | 30.54 | 12 | AA Min | AAA: 29.69 (+0.85s | 2.8%) | Waterloo Swimming | 10/10/2025 | 2025 ST ASC Bob Thompson Open | |
| 4 | Henry Jones | 30.58 | 12 | AA Min | AAA: 29.69 (+0.89s | 2.9%) | Waterloo Swimming | 09/27/2025 | 2025 ST ASC IMR IMX Challenge | |
| 5 | Ryan Huang | 31.09 | 11 | AA Min | AAA: 29.69 (+1.40s | 4.5%) | Waterloo Swimming | 11/07/2025 | 2025 ST TXLA 11 O November Unclassified Invit | |
| 6 | Noah Lawrence | 31.69 | 12 | A Min | AA: 31.19 (+0.50s | 1.6%) | Waterloo Swimming | 10/10/2025 | 2025 ST ASC Bob Thompson Open | |
| 7 | Lex Werbeck | 32.54 | 11 | A Min | AA: 31.19 (+1.35s | 4.1%) | Waterloo Swimming | 11/07/2025 | 2025 ST TXLA 11 O November Unclassified Invit | |
| 8 | Yu-en Lin | 33.57 | 12 | BB Min | A: 32.69 (+0.88s | 2.6%) | Waterloo Swimming | 10/17/2025 | 2025 ST TXLA 11 Over Fall Kick Off Invite | |
| 9 | Marcus Liu | 34.02 | 12 | BB Min | A: 32.69 (+1.33s | 3.9%) | Waterloo Swimming | 11/07/2025 | 2025 ST TXLA 11 O November Unclassified Invit | |
| 10 | Alan Ni | 34.09 | 12 | BB Min | A: 32.69 (+1.40s | 4.1%) | Waterloo Swimming | 02/07/2025 | 2025 ST AQTX STX Champs North | |
| 11 | Kouki Kubo | 34.33 | 12 | BB Min | A: 32.69 (+1.64s | 4.8%) | Waterloo Swimming | 09/27/2025 | 2025 ST ASC IMR IMX Challenge | |
| 12 | Ivan Altoukhov | 34.89 | 12 | BB Min | A: 32.69 (+2.20s | 6.3%) | Waterloo Swimming | 09/21/2025 | 2025 ST WLOO SC Season Starter | |
| 13 | Ronen Addo | 34.98 | 10 | BB Min | A: 32.69 (+2.29s | 6.5%) | Waterloo Swimming | 10/26/2025 | 2025 ST TXLA 10 U Fall Kick Off | |
| 14 | Filippo Tiziani | 35.09 | 12 | BB Min | A: 32.69 (+2.40s | 6.8%) | Waterloo Swimming | 10/17/2025 | 2025 ST TXLA 11 Over Fall Kick Off Invite | |
| 15 | Junhyeok Choi | 35.17 | 12 | BB Min | A: 32.69 (+2.48s | 7.1%) | Waterloo Swimming | 09/21/2025 | 2025 ST WLOO SC Season Starter | |
| 16 | Elijah Arges | 35.79 | 12 | B Min | BB: 35.59 (+0.20s | 0.6%) | Waterloo Swimming | 11/07/2025 | 2025 ST TXLA 11 O November Unclassified Invit | |
| 17 | Logan Coyne | 36.47 | 10 | B Min | BB: 35.59 (+0.88s | 2.4%) | Waterloo Swimming | 02/21/2025 | 2025 ST AAAA STAGS Championship | |
| 18 | Yoo-Le Li | 36.62 | 11 | B Min | BB: 35.59 (+1.03s | 2.8%) | Waterloo Swimming | 10/17/2025 | 2025 ST TXLA 11 Over Fall Kick Off Invite | |
| 19 | Landen Schukei | 36.76 | 10 | B Min | BB: 35.59 (+1.17s | 3.2%) | Waterloo Swimming | 01/17/2025 | 2025 ST TXLA New Year S Classic | |
| 20 | Raghav Mohan | 37.60 | 12 | B Min | BB: 35.59 (+2.01s | 5.3%) | Waterloo Swimming | 11/15/2025 | 2025 ST ASC Turkey Bash | |
| 21 | Charles Camacho | 37.68 | 11 | B Min | BB: 35.59 (+2.09s | 5.5%) | Waterloo Swimming | 01/18/2025 | 2025 ST AQTX B Champs North | |
| 22 | Yoo-Le Li | 37.90 | 11 | B Min | BB: 35.59 (+2.31s | 6.1%) | Waterloo Swimming | 11/15/2025 | 2025 ST ASC Turkey Bash | |
| 23 | PinHsiang Wang | 37.99 | 12 | B Min | BB: 35.59 (+2.40s | 6.3%) | Waterloo Swimming | 11/07/2025 | 2025 ST TXLA 11 O November Unclassified Invit | |
| 24 | Nathan Marudaraj | 39.71 | 12 | B: 38.49 (+1.22s | 3.1%) | Waterloo Swimming | 11/07/2025 | 2025 ST TXLA 11 O November Unclassified Invit | ||
| 25 | Shatvik Arunkumar | 39.80 | 12 | B: 38.49 (+1.31s | 3.3%) | Waterloo Swimming | 10/10/2025 | 2025 ST ASC Bob Thompson Open | ||
| 26 | Owen Johnson | 40.65 | 11 | B: 38.49 (+2.16s | 5.3%) | Waterloo Swimming | 03/08/2025 | 2025 ST SRG Surge Spring Shenanigans | ||
| 27 | Zhenhuan Yuan | 41.21 | 11 | B: 38.49 (+2.72s | 6.6%) | Waterloo Swimming | 09/27/2025 | 2025 ST ASC IMR IMX Challenge | ||
| 28 | Andrew Gardner | 42.24 | 10 | B: 38.49 (+3.75s | 8.9%) | Waterloo Swimming | 10/10/2025 | 2025 ST ASC Bob Thompson Open | ||
| 29 | Caleb Chen | 42.65 | 11 | B: 38.49 (+4.16s | 9.8%) | Waterloo Swimming | 10/17/2025 | 2025 ST TXLA 11 Over Fall Kick Off Invite | ||
| 30 | Anton Billy | 43.03 | 12 | B: 38.49 (+4.54s | 10.6%) | Waterloo Swimming | 09/21/2025 | 2025 ST WLOO SC Season Starter | ||
| 31 | Hayden Wu | 43.17 | 10 | B: 38.49 (+4.68s | 10.8%) | Waterloo Swimming | 09/27/2025 | 2025 ST ASC IMR IMX Challenge | ||
| 32 | Hanson Ma | 43.73 | 10 | B: 38.49 (+5.24s | 12.0%) | Waterloo Swimming | 12/19/2024 | 2024 ST TXLA Jingle Bell Splash | ||
| 33 | Oliver Black | 43.86 | 10 | B: 38.49 (+5.37s | 12.2%) | Waterloo Swimming | 03/08/2025 | 2025 ST SRG Surge Spring Shenanigans | ||
| 34 | Ian Grechushnikov | 43.96 | 12 | B: 38.49 (+5.47s | 12.4%) | Waterloo Swimming | 09/21/2025 | 2025 ST WLOO SC Season Starter | ||
| 35 | Yunchan Jin | 43.98 | 10 | B: 38.49 (+5.49s | 12.5%) | Waterloo Swimming | 09/21/2025 | 2025 ST WLOO SC Season Starter | ||
| 36 | Jianyu Tang | 44.08 | 11 | B: 38.49 (+5.59s | 12.7%) | Waterloo Swimming | 10/25/2024 | 2024 ST TXLA 11 Over Fall Kick Off | ||
| 37 | Hopkins Black | 44.12 | 11 | B: 38.49 (+5.63s | 12.8%) | Waterloo Swimming | 11/24/2024 | 2024 ST TXLA 11 Over November Unclassified | ||
| 38 | Viransh Khare | 44.28 | 11 | B: 38.49 (+5.79s | 13.1%) | Waterloo Swimming | 10/17/2025 | 2025 ST TXLA 11 Over Fall Kick Off Invite | ||
| 39 | Ford Hart | 44.85 | 11 | B: 38.49 (+6.36s | 14.2%) | Waterloo Swimming | 11/24/2024 | 2024 ST TXLA 11 Over November Unclassified | ||
| 40 | Grant Tanner | 45.48 | 10 | B: 38.49 (+6.99s | 15.4%) | Waterloo Swimming | 09/27/2025 | 2025 ST ASC IMR IMX Challenge | ||
| 41 | Xinzhe Liu | 45.68 | 11 | B: 38.49 (+7.19s | 15.7%) | Waterloo Swimming | 09/22/2024 | 2024 ST WLOO Short Course Kick Off | ||
| 42 | Matthew Singleton | 46.20 | 12 | B: 38.49 (+7.71s | 16.7%) | Waterloo Swimming | 09/27/2025 | 2025 ST ASC IMR IMX Challenge | ||
| 43 | Ethan Grossmann | 46.27 | 11 | B: 38.49 (+7.78s | 16.8%) | Waterloo Swimming | 10/25/2024 | 2024 ST TXLA 11 Over Fall Kick Off | ||
| 44 | Cade Goodwin | 46.31 | 11 | B: 38.49 (+7.82s | 16.9%) | Waterloo Swimming | 11/15/2025 | 2025 ST ASC Turkey Bash | ||
| 45 | Roman Walker | 46.45 | 11 | B: 38.49 (+7.96s | 17.1%) | Waterloo Swimming | 10/25/2024 | 2024 ST TXLA 11 Over Fall Kick Off | ||
| 46 | Shrikar Attili | 46.45 | 11 | B: 38.49 (+7.96s | 17.1%) | Waterloo Swimming | 11/07/2025 | 2025 ST TXLA 11 O November Unclassified Invit | ||
| 47 | Viransh Khare | 46.53 | 11 | B: 38.49 (+8.04s | 17.3%) | Waterloo Swimming | 11/15/2025 | 2025 ST ASC Turkey Bash | ||
| 48 | Tanish Das | 47.57 | 11 | B: 38.49 (+9.08s | 19.1%) | Waterloo Swimming | 07/26/2025 | 2025 ST SCY SurgeFest | ||
| 49 | Julian Kang | 47.81 | 10 | B: 38.49 (+9.32s | 19.5%) | Waterloo Swimming | 09/22/2024 | 2024 ST WLOO Short Course Kick Off | ||
| 50 | Jonathan Bloomfield | 47.86 | 10 | B: 38.49 (+9.37s | 19.6%) | Waterloo Swimming | 09/27/2025 | 2025 ST ASC IMR IMX Challenge | ||
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.