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
30.44
Hoshi Aono · WB · 2026
ISLQ cut
47.00
10 of 10 cleared
Current leader
30.44
Hoshi Aono · WB
| Rank | Swimmer | Club | Season | Time | Gap | Source |
|---|---|---|---|---|---|---|
| 1 | Hoshi Aono ISLQ | WB | 2026 | 30.44 | — | |
| 2 | Derek Hitchens ISLQ | NPR | 2017 | 30.61 | +0.17s | |
| 3 | George Tanaka ISLQ | PS | 2021 | 31.59 | +1.15s | |
| 4 | Max Stewart ISLQ | WB | 2019 | 31.60 | +1.16s | |
| 5 | Darren Nguyen ISLQ | WBY | 2018 | 31.91 | +1.47s | |
| 6 | Grant Sheen ISLQ | SI | 2011 | 31.93 | +1.49s | |
| 7 | Jasper Ye ISLQ | CPS | 2024 | 32.16 | +1.72s | |
| 8 | Daniel Chen ISLQ | CPS | 2023 | 32.30 | +1.86s | |
| 9 | Nathan Wu ISLQ | SI | 2016 | 32.42 | +1.98s | |
| 10 | Jason Xiang ISLQ | PS | 2025 | 32.52 | +2.08s |