Justin Zhang
| Region | WCA ID | Gender | Competitions | Completed Solves | South Africa | 2015ZHAN92 | Male | 6 | 220 |
|---|
Current Personal Records
| Event | NR | CR | WR | Single | Average | WR | CR | NR | |
|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | 20 | 35 | 5593 | 7.66 | 8.55 | 2744 | 15 | 10 | |
| 2x2x2 Cube | 121 | 216 | 23009 | 2.92 | 5.37 | 35020 | 310 | 177 | |
| 4x4x4 Cube | 54 | 125 | 14954 | 45.89 | 52.38 | 14661 | 121 | 50 | |
| 5x5x5 Cube | 71 | 127 | 17851 | 1:56.93 | 2:07.98 | 16903 | 118 | 66 | |
| 6x6x6 Cube | 55 | 86 | 12367 | 4:39.54 | 4:57.94 | 10586 | 84 | 56 | |
| 7x7x7 Cube | 39 | 60 | 9763 | 6:34.64 | 7:17.96 | 8407 | 61 | 40 | |
| 3x3x3 One-Handed | 105 | 250 | 27882 | 27.40 | 32.34 | 25674 | 235 | 101 | |
| Clock | 116 | 158 | 24811 | 31.93 | 1:04.58 | 22087 | 163 | 120 | |
| Megaminx | 108 | 178 | 19160 | 2:26.77 | 2:47.73 | 16673 | 168 | 103 | |
| Pyraminx | 163 | 254 | 27632 | 6.38 | 8.40 | 18817 | 146 | 90 | |
| Skewb | 117 | 163 | 25257 | 7.43 | 18.74 | 47683 | 347 | 245 |
| Competition | Round | Place | Single | Average | Solves | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | |||||||||||
| Newcomers Cape Cube-Fest 2025 | Final | 2 | 7.79 | 8.91 | 8.25 | 9.29 | 12.14 | 7.79 | 9.19 | ||
| Second round | 2 | 7.66 | 8.55 | 9.11 | 7.88 | 7.66 | 8.67 | 20.37 | |||
| First round | 4 | 8.37 | 11.23 | 12.55 | 9.52 | 11.61 | 8.37 | 12.75 | |||
| Arnold Classic Africa 2018 | Final | 4 | 9.83 | 11.55 | 9.83 | 10.88 | 12.39 | 11.39 | DNF | ||
| Second round | 3 | 10.53 | 11.21 | 10.58 | 12.11 | 10.53 | DNF | 10.95 | |||
| First round | 4 | 11.55 | 13.28 | 12.77 | 11.55 | 14.30 | 12.77 | DNF | |||
| Big 'n Weird Pretoria 2017 | Final | 1 | 9.25 | 10.75 | NR | 11.11 | 10.00 | 11.13 | 9.25 | 14.28 | |
| First round | 1 | 10.45 | 12.41 | 14.34 | 13.46 | 12.13 | 11.63 | 10.45 | |||
| Gauteng Winter 2017 | Final | 2 | 10.83 | 12.08 | 10.83 | 17.08 | 12.45 | 10.92 | 12.86 | ||
| First round | 2 | 11.35 | 12.28 | DNF | 11.66 | 11.35 | 12.56 | 12.63 | |||
| Johannesburg 2016 | Final | 5 | 11.12 | 14.31 | 14.39 | 13.99 | 11.12 | 14.56 | 15.58 | ||
| Semi Final | 2 | 11.57 | 12.03 | NR | 15.87 | 12.38 | 11.95 | 11.57 | 11.76 | ||
| Second round | 3 | 11.58 | 13.60 | 11.58 | 13.68 | 12.49 | 14.62 | DNF | |||
| First round | 3 | 12.64 | 13.56 | 12.64 | 14.07 | 20.49 | 13.94 | 12.67 | |||
| Johannesburg Open 2015 | Second round | 10 | 17.41 | 19.83 | 18.63 | 17.41 | 29.40 | 19.44 | 21.43 | ||
| First round | 11 | 16.63 | 19.34 | 24.63 | 16.63 | 17.96 | 18.22 | 21.84 | |||
| 2x2x2 Cube | |||||||||||
| Newcomers Cape Cube-Fest 2025 | Second round | 21 | 3.09 | 6.68 | 7.58 | 3.09 | 5.36 | 7.11 | 8.20 | ||
| First round | 23 | 6.04 | 6.79 | 6.98 | 7.72 | 7.16 | 6.04 | 6.24 | |||
| Arnold Classic Africa 2018 | Final | 11 | 3.74 | 6.24 | 3.74 | 6.49 | 6.89 | 5.33 | 7.41 | ||
| Second round | 7 | 3.35 | 5.63 | 5.77 | 8.38 | 5.84 | 3.35 | 5.28 | |||
| First round | 6 | 4.07 | 5.56 | 6.51 | 15.68 | 4.66 | 5.50 | 4.07 | |||
| Johannesburg 2016 | Final | 12 | 5.15 | 6.77 | 7.25 | 8.19 | 5.15 | 7.69 | 5.36 | ||
| Second round | 7 | 4.43 | 5.37 | 4.43 | 4.63 | 6.96 | 9.04 | 4.53 | |||
| First round | 8 | 2.92 | 6.11 | 6.66 | 2.92 | 4.94 | 6.74 | DNF | |||
| Johannesburg Open 2015 | Final | 13 | 4.08 | 7.04 | 5.59 | 7.00 | 8.52 | 11.65 | 4.08 | ||
| First round | 11 | 4.27 | 7.08 | 10.15 | DNF | 6.11 | 4.97 | 4.27 | |||
| 4x4x4 Cube | |||||||||||
| Arnold Classic Africa 2018 | Final | 5 | 50.93 | 1:00.60 | 1:09.84 | DNF | 54.30 | 50.93 | 57.67 | ||
| First round | 3 | 45.89 | 52.38 | 54.55 | 49.26 | 45.89 | 53.32 | 55.40 | |||
| Gauteng Winter 2017 | Final | 3 | 59.29 | 1:00.19 | 59.29 | 1:00.20 | 1:00.44 | DNF | 59.92 | ||
| Johannesburg Open 2015 | Final | 7 | 1:23.25 | 1:27.09 | 1:38.02 | 1:27.81 | 1:26.27 | 1:27.18 | 1:23.25 | ||
| 5x5x5 Cube | |||||||||||
| Arnold Classic Africa 2018 | Final | 7 | 2:03.03 | 2:24.10 | 2:43.50 | 2:03.03 | 2:20.16 | 2:28.00 | 2:24.15 | ||
| Gauteng Winter 2017 | Final | 3 | 1:56.93 | 2:07.98 | 2:32.73 | 2:03.21 | 2:13.98 | 2:06.75 | 1:56.93 | ||
| Johannesburg Open 2015 | Final | 8 | 3:18.27 | 3:34.45 | 3:48.16 | 3:22.05 | 3:18.27 | 3:33.13 | 4:03.43 | ||
| 6x6x6 Cube | |||||||||||
| Big 'n Weird Pretoria 2017 | Final | 4 | 4:39.54 | 4:57.94 | 4:49.13 | 4:39.54 | 5:25.14 | ||||
| 7x7x7 Cube | |||||||||||
| Big 'n Weird Pretoria 2017 | Final | 3 | 6:34.64 | 7:17.96 | 8:31.29 | 6:47.94 | 6:34.64 | ||||
| 3x3x3 One-Handed | |||||||||||
| Arnold Classic Africa 2018 | Final | 5 | 27.40 | 32.34 | 33.37 | 36.10 | 47.18 | 27.40 | 27.54 | ||
| Johannesburg 2016 | Final | 20 | 28.54 | 56.83 | 28.54 | DNF | 1:30.28 | 45.50 | 34.72 | ||
| Clock | |||||||||||
| Big 'n Weird Pretoria 2017 | Final | 2 | 31.93 | 1:04.58 | 50.09 | 31.93 | DNF | 1:06.97 | 1:16.68 | ||
| Megaminx | |||||||||||
| Gauteng Winter 2017 | Final | 5 | 2:26.77 | 2:47.73 | 2:27.01 | 3:23.07 | DNF | 2:26.77 | 2:33.12 | ||
| Pyraminx | |||||||||||
| Newcomers Cape Cube-Fest 2025 | Final | 14 | 6.81 | 10.85 | 10.09 | 7.21 | 15.25 | 17.73 | 6.81 | ||
| Second round | 16 | 9.96 | 12.82 | 13.95 | 11.28 | 9.96 | 13.22 | 14.22 | |||
| First round | 23 | 11.06 | 20.43 | DNF | 19.55 | 15.10 | 11.06 | 26.63 | |||
| Arnold Classic Africa 2018 | Final | 4 | 6.38 | 8.40 | 8.50 | 9.13 | 8.03 | 6.38 | 8.68 | ||
| First round | 19 | 9.75 | 14.18 | 15.47 | 9.75 | 10.86 | DNF | 16.21 | |||
| Johannesburg 2016 | Final | 8 | 7.76 | 12.29 | 14.14 | 13.79 | 10.94 | 12.14 | 7.76 | ||
| Johannesburg Open 2015 | Final | 6 | 7.77 | 11.19 | 11.81 | 7.77 | 11.28 | 10.47 | DNF | ||
| Skewb | |||||||||||
| Gauteng Winter 2017 | Final | 10 | 7.43 | 18.74 | 22.53 | DNF | 18.71 | 14.99 | 7.43 | ||
| Johannesburg Open 2015 | Final | 12 | 13.09 | 19.42 | 29.05 | 13.09 | 19.05 | 20.43 | 18.77 | ||
History of National Records
| Single | Average | Competition | Round | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | ||||||||
| 10.75 | Big 'n Weird Pretoria 2017 | Final | 11.11 | 10.00 | 11.13 | 9.25 | 14.28 | |
| 12.03 | Johannesburg 2016 | Semi Final | 15.87 | 12.38 | 11.95 | 11.57 | 11.76 | |