Berkeley December Weekday 2025


Date
Dec 2, 2025
City
Berkeley, California, United States
Venue

Hearst Field Annex B5

Address
2545-2581 Bancroft Way, Berkeley, CA 94704
Details

This venue is not in the same MLK Student Union building.

Contact
Organization team
Organizers
Anto Kam (甘浩東), Berkeley Cube Club, and West Coast Cubing LLC Treasurer
WCA Delegates
Anto Kam (甘浩東), Calvin Nielson, Hamza Hafeez, Ryan H. Lee, and Ryan Jew
Download all the competition's details as PDF here.
Information

IMPORTANT: This competition is happening on a weekday, not a weekend

  • Registrants will be accepted in the order that they pay, not the order that they register. Please be patient with us as we manually accept all eligible competitors.
Events
Main event
Competitors
23
Registration period

Online registration opened and closed .

Registration requirements
This competition is over, click here to display the registration requirements it used.
Create a WCA account here if you don't have one.
If this is not your first competition, associate your WCA ID to your WCA account here.
Register for this competition here.
There is a competitor limit of 29 competitors.
The base registration fee for this competition is $10 (United States Dollar).
The registration fee has to be paid through Stripe here once registered.
If your registration is cancelled before you will be refunded 100% of your registration fee.
Registrants on the waiting list may be accepted onto the competitor list until .
If you are a registered competitor you may change your registered events until by contacting the organization team.
No on the spot registrations will be accepted.
Spectators are only permitted as companions of competitors.
Competitors may bring at most 2 guests.

All competitors must be available to judge/run/scramble for the competition as per Regulation 1e2 and 1f2. All competitors will be expected to help by judging or running for any event they are doing. Nametags will be handed out with all the information regarding what groups you will be competing in and what groups you will be helping in. If you are not competing in an event, you will not be assigned to help during that event.

Berkeley students will be able to compete for free for this competition.
If you are a Berkeley student, email anto@berkeley.edu with proof (for example, a student ID), and we'll waive your registration fee for the competition.

Highlights
Click here to display the highlights of the competition.

Anto Kam (甘浩東) won with a single solve of 22.94 seconds in the 3x3x3 Blindfolded event. Ethan Jan finished second (29.50) and Naomi Solnick finished third (31.01).

Alexander Hao-Jia Du - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube First round 20 13.25 17.32 United States 13.2522.6015.6516.4419.88
3x3x3 Blindfolded First round 9 DNF DNF United States DNFDNFDNS

Anto Kam (甘浩東) - Hong Kong, China WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube Final 4 6.62 8.27 Hong Kong, China 8.488.008.588.326.62
First round 3 6.82 7.56 Hong Kong, China 8.927.667.816.827.21
3x3x3 Blindfolded Final 1 22.94 DNF Hong Kong, China DNF22.94DNF
First round 1 14.96 NR DNF Hong Kong, China DNF14.96DNF

Bowen Deng (邓博文) - China WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube First round 19 13.25 15.26 China 14.8115.8813.2515.10DNF
3x3x3 Blindfolded Final 6 2:27.52 DNF China DNFDNF2:27.52
First round 3 54.59 DNF China DNF54.59DNF
Square-1 First round 7 17.71 23.96 China 33.8717.7120.1341.5417.88

Calvin Nielson - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube First round 17 12.02 13.64 United States 13.8314.3415.9412.7412.02
3x3x3 Blindfolded First round 9 DNF DNF United States DNFDNFDNF
Square-1 Final 1 7.08 7.50 United States 7.089.527.397.997.12
First round 1 5.25 6.59 United States 6.615.857.328.115.25

Chris Lillios - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube First round 23 21.70 26.71 United States 21.7028.0127.5527.0425.53

Christian James Del Rosario - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube First round 15 11.30 12.67 United States 12.0411.3013.8612.1014.34

Cindy Xiaoyue Huang (黄小越) - China WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube First round 13 10.03 11.81 China 13.3210.0310.9713.7211.13
3x3x3 Blindfolded First round 9 DNF DNF China DNFDNFDNF

Diego Jiashu Jiang (蒋佳澍) - China WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube First round 18 12.55 13.86 China 15.7812.5513.0413.4015.13

Ethan Jan - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube Final 1 5.83 6.24 United States 7.016.226.366.135.83
First round 1 5.96 6.63 United States 5.967.066.817.826.03
3x3x3 Blindfolded Final 2 29.50 48.66 United States 29.501:09.2547.22
First round 4 1:02.18 DNF United States 1:02.18DNFDNF
Square-1 Final 4 10.03 19.00 United States 22.7320.9315.2420.8410.03
First round 3 11.66 14.99 United States 14.5914.9115.4618.7011.66

Hamza Hafeez - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube First round 10 9.97 10.69 United States 11.609.9710.3010.1712.53
3x3x3 Blindfolded First round 9 DNF DNF United States DNFDNFDNF

Heidi Chan - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube Final 2 6.14 6.60 United States 6.367.258.126.146.19
First round 2 6.57 7.23 United States 6.576.657.047.998.35

Jacob Marinas - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube First round 11 10.13 10.83 United States 10.1311.7410.2912.1010.45
3x3x3 Blindfolded First round 9 DNF DNF United States DNFDNFDNF

Jeff Chen - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube First round 12 9.14 11.55 United States 9.149.2712.8313.2812.56
Square-1 First round 9 47.05 United States 1:03.0347.05

Jimmy Kingston - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube First round 22 19.46 22.23 United States 19.4622.6022.4522.3421.90
3x3x3 Blindfolded Final 8 DNF DNF United States DNFDNFDNF
First round 5 1:22.21 DNF United States DNFDNF1:22.21

Jin Wu (武进) - China WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube First round 21 14.57 19.75 China 21.4414.57DNF19.7218.08
3x3x3 Blindfolded First round 9 DNF DNF China DNFDNFDNF

Joseph Ong - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube Final 7 7.17 10.68 United States 10.6810.8110.567.1712.35
First round 6 9.05 9.90 United States 11.329.059.2513.169.13
3x3x3 Blindfolded Final 7 3:01.25 DNF United States DNF3:01.25DNF
First round 7 2:26.33 DNF United States DNF2:26.33DNF
Square-1 Final 2 7.79 8.68 United States 12.817.797.918.1110.02
First round 2 6.84 8.37 United States 11.917.589.947.586.84

Miguel Diaz - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube First round 16 8.88 13.22 United States 13.4711.9614.2216.108.88
3x3x3 Blindfolded Final 4 2:21.90 DNF United States DNFDNF2:21.90
First round 6 1:53.11 DNF United States 2:17.97DNF1:53.11
Square-1 Final 3 12.21 16.97 United States 18.2516.5231.1712.2116.14
First round 4 14.11 16.19 United States 17.3314.1116.1215.1229.08

Naomi Solnick - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube Final 5 6.87 9.21 United States 7.5210.609.506.8718.60
First round 5 9.20 9.80 United States 10.779.799.929.689.20
3x3x3 Blindfolded Final 3 31.01 DNF United States 46.17DNF31.01
First round 2 39.27 DNF United States DNFDNF39.27

Ryan H. Lee - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube Final 6 9.33 9.86 United States 9.339.79DNF9.849.96
First round 7 8.38 10.37 United States 10.9711.658.3813.648.49
3x3x3 Blindfolded Final 5 2:24.28 2:33.71 United States 2:40.512:24.282:36.35
First round 8 3:14.98 DNF United States DNF3:14.98DNF

Ryan Jew - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube First round 9 7.59 10.60 United States 7.5912.6310.2010.2511.36
Square-1 Final 6 26.01 34.02 United States 37.1232.6744.0032.2826.01
First round 6 15.48 23.50 United States 24.8621.7641.0323.8815.48

Timothy Elnitiarta - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube Final 8 10.41 11.31 United States 10.6511.2010.4112.0815.60
First round 8 9.24 10.37 United States 10.879.5310.719.2411.48

William Kamiyama - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube First round 14 11.37 12.55 United States 12.7311.3712.4419.6512.47
3x3x3 Blindfolded First round 9 DNF DNF United States DNFDNFDNF
Square-1 First round 8 24.91 29.43 United States 41.5526.6731.3630.2524.91

Zane Qureshi - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Cube Final 3 6.72 8.07 United States 9.227.658.937.636.72
First round 4 7.22 8.28 United States 9.287.227.508.329.02
Square-1 Final 5 12.21 20.38 United States 25.7415.1135.0112.2120.30
First round 5 16.64 21.01 United States 19.9219.6016.6423.5124.23
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