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Alexander Hao-Jia Du

Name: Alexander Hao-Jia Du
Region: United States
Competitions: 15
WCA ID: Alexander Hao-Jia Du2025DUAL01
Gender: Male
Career: 2025.10.04 - 2026.11.06
2025 Annual Summary

Current Personal Records

EventNRCRWRSingleAverageWRCRNRGoldSilverBronzeSolves/Attempts
3x3x3 Cube719094973822811.7614.34391489596726686/90
2x2x2 Cube36874784174502.525.23357709893759827/30
4x4x4 Cube559676122930657.871:05.1528044727053487/7
5x5x5 Cube31984300162391:44.591:54.58156484175310510/10
3x3x3 One-Handed198826961131317.9623.32130803029221339/40
Megaminx38505248178742:07.8915/6

Sum of Ranks

 Sum of NRSum of CRSum of WR
Single103625133271460518
Average96913124957430427

Overall Medal Collection

GoldSilverBronze
1
CompetitionRoundPlaceBestAverageDetail
Berkeley October Weekday 2026First round19 11.90 14.34
18.40     14.73     15.45     12.85     11.90
Berkeley Fall 2026Second round68 12.64 15.40
14.84     14.43     16.93     12.64     17.02
First round70 11.79 15.54
16.36     11.79     15.49     14.78     18.56
Berkeley May Weekday 2026First round19 14.71 16.83
16.92     18.04     25.57     15.54     14.71
Berkeley Spring 2026Second round73 14.44 17.22
18.23     16.79     17.65     17.21     14.44
First round70 14.16 16.55
16.40     20.35     17.08     14.16     16.17
Berkeley Pre-Cal Day 2026First round23 12.46 17.11
17.07     12.46     15.08     DNF       19.19
Berkeley March Weekday 2026Second round15 11.76 16.34
13.46     33.21     19.11     11.76     16.45
First round17 13.30 16.71
13.30     14.17     19.35     16.61     20.36
Berkeley Favorites 2026First round78 16.39 17.01
17.39     27.05     16.85     16.39     16.79
Berkeley February Weekday 2026First round24 14.59 16.40
19.04     14.59     15.17     DNF       14.99
Berkeley January Weekday 2026First round34 16.11 18.55
21.11     18.04     18.78     16.11     18.84
Berkeley December Weekday 2025First round20 13.25 17.32
13.25     22.60     15.65     16.44     19.88
Berkeley November Weekday 2025First round22 14.97 16.97
18.00     16.32     14.97     25.48     16.59
Cool Down Berkeley 2025Second round79 15.21 19.17
17.16     21.44     18.90     15.21     DNF
First round81 16.44 19.63
21.13     20.50     16.44     21.29     17.27
Berkeley October Weekday 2025First round23 15.80 21.45
16.15     22.37     25.84     15.80     30.46
Berkeley Fall 2025First round106 15.80 20.63
19.30     19.28     DNF       15.80     23.30
CompetitionRoundPlaceBestAverageDetail
Berkeley Fall 2026First round51 3.65 5.23
4.97      3.65      6.42      5.85      4.86
Berkeley May Weekday 2026First round16 4.47 7.04
6.22      4.47      8.02      DNF       6.89
Berkeley Spring 2026First round61 2.52 6.97
6.53      2.52      7.46      6.92      9.92
Berkeley Favorites 2026First round48 5.28 7.56
9.49      7.04      5.28      8.47      7.16
Berkeley November Weekday 2025First round15 3.52 5.86
DNF       8.42      4.47      4.68      3.52
Cool Down Berkeley 2025First round46 3.38 5.37
3.38      6.84      4.11      DNF       5.15
CompetitionRoundPlaceBestAverageDetail
Berkeley November Weekday 2026Final9 57.87 1:05.15
1:00.70   1:14.81   1:06.05   57.87     1:08.70
Cool Down Berkeley 2025First round64 1:30.84 
1:40.96   1:30.84
CompetitionRoundPlaceBestAverageDetail
Berkeley November Weekday 2026Final8 1:44.59 1:54.58
1:48.90   1:54.57   2:12.65   1:44.59   2:00.26
Berkeley Fall 2026First round45 1:44.75 1:55.61
1:44.75   1:55.37   2:06.92   1:58.03   1:53.44
CompetitionRoundPlaceBestAverageDetail
Berkeley October Weekday 2026First round10 DNF DNF
DNF       DNS       DNS       DNS       DNS
Berkeley Spring 2026First round11 DNF DNF
DNF       DNF       DNS       DNS       DNS
Berkeley Pre-Cal Day 2026First round8 DNF DNF
DNF       DNF       DNS       DNS       DNS
Berkeley Favorites 2026First round16 DNF DNF
DNF       DNF       DNF       DNS       DNS
Berkeley February Weekday 2026First round10 DNF DNF
DNF       DNF       DNF       DNF       DNS
Berkeley December Weekday 2025First round9 DNF DNF
DNF       DNF       DNS
CompetitionRoundPlaceBestAverageDetail
Berkeley Fall 2026First round44 20.78 24.41
20.78     25.19     25.16     22.88     32.75
Berkeley May Weekday 2026First round15 26.02 26.61
27.33     26.02     26.15     26.36     28.23
Berkeley Spring 2026First round46 25.39 28.75
36.23     27.12     33.16     25.97     25.39
Berkeley March Weekday 2026First round13 22.86 23.32
26.84     23.14     23.13     23.69     22.86
Berkeley Favorites 2026First round36 17.96 32.26
17.96     31.68     30.23     34.88     DNF
Berkeley January Weekday 2026First round22 20.57 32.93
40.51     20.57     29.68     34.80     34.31
Berkeley November Weekday 2025First round19 23.32 28.79
30.13     31.80     33.54     24.45     23.32
Berkeley October Weekday 2025First round18 27.46 31.98
30.33     31.90     27.46     33.71     36.41
CompetitionRoundPlaceBestAverageDetail
Berkeley November Weekday 2026Final3 2:07.89 
2:37.05   2:07.89
Berkeley Spring 2026Final49 4:06.26 
5:22.44   4:06.26
Berkeley February Weekday 2026First round16 3:28.51 
3:28.51   DNF
Berkeley November Weekday 2026
EventRoundPlaceBestAverageDetail
4x4x4 CubeFinal9 57.87 1:05.15
1:00.70   1:14.81   1:06.05   57.87     1:08.70
5x5x5 CubeFinal8 1:44.59 1:54.58
1:48.90   1:54.57   2:12.65   1:44.59   2:00.26
MegaminxFinal3 2:07.89 
2:37.05   2:07.89
 
Berkeley October Weekday 2026
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round19 11.90 14.34
18.40     14.73     15.45     12.85     11.90
3x3x3 BlindfoldedFirst round10 DNF DNF
DNF       DNS       DNS       DNS       DNS
 
Berkeley Fall 2026
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round68 12.64 15.40
14.84     14.43     16.93     12.64     17.02
First round70 11.79 15.54
16.36     11.79     15.49     14.78     18.56
2x2x2 CubeFirst round51 3.65 5.23
4.97      3.65      6.42      5.85      4.86
5x5x5 CubeFirst round45 1:44.75 1:55.61
1:44.75   1:55.37   2:06.92   1:58.03   1:53.44
3x3x3 One-HandedFirst round44 20.78 24.41
20.78     25.19     25.16     22.88     32.75
 
Berkeley May Weekday 2026
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round19 14.71 16.83
16.92     18.04     25.57     15.54     14.71
2x2x2 CubeFirst round16 4.47 7.04
6.22      4.47      8.02      DNF       6.89
3x3x3 One-HandedFirst round15 26.02 26.61
27.33     26.02     26.15     26.36     28.23
 
Berkeley Spring 2026
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round73 14.44 17.22
18.23     16.79     17.65     17.21     14.44
First round70 14.16 16.55
16.40     20.35     17.08     14.16     16.17
2x2x2 CubeFirst round61 2.52 6.97
6.53      2.52      7.46      6.92      9.92
3x3x3 BlindfoldedFirst round11 DNF DNF
DNF       DNF       DNS       DNS       DNS
3x3x3 One-HandedFirst round46 25.39 28.75
36.23     27.12     33.16     25.97     25.39
MegaminxFinal49 4:06.26 
5:22.44   4:06.26
 
Berkeley Pre-Cal Day 2026
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round23 12.46 17.11
17.07     12.46     15.08     DNF       19.19
3x3x3 BlindfoldedFirst round8 DNF DNF
DNF       DNF       DNS       DNS       DNS
 
Berkeley March Weekday 2026
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round15 11.76 16.34
13.46     33.21     19.11     11.76     16.45
First round17 13.30 16.71
13.30     14.17     19.35     16.61     20.36
3x3x3 One-HandedFirst round13 22.86 23.32
26.84     23.14     23.13     23.69     22.86
 
Berkeley Favorites 2026
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round78 16.39 17.01
17.39     27.05     16.85     16.39     16.79
2x2x2 CubeFirst round48 5.28 7.56
9.49      7.04      5.28      8.47      7.16
3x3x3 BlindfoldedFirst round16 DNF DNF
DNF       DNF       DNF       DNS       DNS
3x3x3 One-HandedFirst round36 17.96 32.26
17.96     31.68     30.23     34.88     DNF
 
Berkeley February Weekday 2026
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round24 14.59 16.40
19.04     14.59     15.17     DNF       14.99
3x3x3 BlindfoldedFirst round10 DNF DNF
DNF       DNF       DNF       DNF       DNS
MegaminxFirst round16 3:28.51 
3:28.51   DNF
 
Berkeley January Weekday 2026
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round34 16.11 18.55
21.11     18.04     18.78     16.11     18.84
3x3x3 One-HandedFirst round22 20.57 32.93
40.51     20.57     29.68     34.80     34.31
 
Berkeley December Weekday 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round20 13.25 17.32
13.25     22.60     15.65     16.44     19.88
3x3x3 BlindfoldedFirst round9 DNF DNF
DNF       DNF       DNS
 
Berkeley November Weekday 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round22 14.97 16.97
18.00     16.32     14.97     25.48     16.59
2x2x2 CubeFirst round15 3.52 5.86
DNF       8.42      4.47      4.68      3.52
3x3x3 One-HandedFirst round19 23.32 28.79
30.13     31.80     33.54     24.45     23.32
 
Cool Down Berkeley 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round79 15.21 19.17
17.16     21.44     18.90     15.21     DNF
First round81 16.44 19.63
21.13     20.50     16.44     21.29     17.27
2x2x2 CubeFirst round46 3.38 5.37
3.38      6.84      4.11      DNF       5.15
4x4x4 CubeFirst round64 1:30.84 
1:40.96   1:30.84
 
Berkeley October Weekday 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round23 15.80 21.45
16.15     22.37     25.84     15.80     30.46
3x3x3 One-HandedFirst round18 27.46 31.98
30.33     31.90     27.46     33.71     36.41
 
Berkeley Fall 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round106 15.80 20.63
19.30     19.28     DNF       15.80     23.30
No.DateNameRegionCity
152026-11-06Berkeley November Weekday 2026United StatesBerkeley, California
142026-10-23Berkeley October Weekday 2026United StatesBerkeley, California
132026-10-11Berkeley Fall 2026United StatesBerkeley, California
122026-05-01Berkeley May Weekday 2026United StatesBerkeley, California
112026-04-26Berkeley Spring 2026United StatesBerkeley, California
102026-04-17Berkeley Pre-Cal Day 2026United StatesBerkeley, California
92026-03-13Berkeley March Weekday 2026United StatesBerkeley, California
82026-03-01Berkeley Favorites 2026United StatesBerkeley, California
72026-02-06Berkeley February Weekday 2026United StatesBerkeley, California
62026-01-22Berkeley January Weekday 2026United StatesBerkeley, California
52025-12-02Berkeley December Weekday 2025United StatesBerkeley, California
42025-11-14Berkeley November Weekday 2025United StatesBerkeley, California
32025-11-02Cool Down Berkeley 2025United StatesBerkeley, California
22025-10-24Berkeley October Weekday 2025United StatesBerkeley, California
12025-10-04Berkeley Fall 2025United StatesBerkeley, California