B-9-10-50-BACKBoys 9-10 Cut 47.00
Boys 9-10 50 Backstroke
Top 10 times across all loaded seasons · 10 cleared the ISLQ cut.
Standing record
30.61
Derek Hitchens · NPR · 2017
ISLQ cut
47.00
10 of 10 cleared
Current leader
30.61
Derek Hitchens · NPR
| Rank | Swimmer | Club | Season | Time | Gap | Source |
|---|---|---|---|---|---|---|
| 1 | Derek Hitchens ISLQ | NPR | 2017 | 30.61 | — | |
| 2 | George Tanaka ISLQ | PS | 2021 | 31.59 | +0.98s | |
| 3 | Max Stewart ISLQ | WB | 2019 | 31.60 | +0.99s | |
| 4 | Darren Nguyen ISLQ | WBY | 2018 | 31.91 | +1.30s | |
| 5 | Grant Sheen ISLQ | SI | 2011 | 31.93 | +1.32s | |
| 6 | Jasper Ye ISLQ | CPS | 2024 | 32.16 | +1.55s | |
| 7 | Daniel Chen ISLQ | CPS | 2023 | 32.30 | +1.69s | |
| 8 | Nathan Wu ISLQ | SI | 2016 | 32.42 | +1.81s | |
| 9 | Jason Xiang ISLQ | PS | 2025 | 32.52 | +1.91s | |
| 10 | Hoshi Aono ISLQ | WB | 2025 | 32.68 | +2.07s |