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 .
- 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 | 13.25 | 22.60 | 15.65 | 16.44 | 19.88 | |||
| 3x3x3 Blindfolded | First round | 9 | DNF | DNF | United States | DNF | DNF | DNS | |||||
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 | 8.48 | 8.00 | 8.58 | 8.32 | 6.62 | |||
| First round | 3 | 6.82 | 7.56 | Hong Kong, China | 8.92 | 7.66 | 7.81 | 6.82 | 7.21 | ||||
| 3x3x3 Blindfolded | Final | 1 | 22.94 | DNF | Hong Kong, China | DNF | 22.94 | DNF | |||||
| First round | 1 | 14.96 | NR | DNF | Hong Kong, China | DNF | 14.96 | DNF | |||||
Bowen Deng (邓博文) - China WCA profile
| Event | Round | # | Best | Average | Representing | Solves | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | First round | 19 | 13.25 | 15.26 | China | 14.81 | 15.88 | 13.25 | 15.10 | DNF | |||
| 3x3x3 Blindfolded | Final | 6 | 2:27.52 | DNF | China | DNF | DNF | 2:27.52 | |||||
| First round | 3 | 54.59 | DNF | China | DNF | 54.59 | DNF | ||||||
| Square-1 | First round | 7 | 17.71 | 23.96 | China | 33.87 | 17.71 | 20.13 | 41.54 | 17.88 | |||
Calvin Nielson - United States WCA profile
| Event | Round | # | Best | Average | Representing | Solves | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | First round | 17 | 12.02 | 13.64 | United States | 13.83 | 14.34 | 15.94 | 12.74 | 12.02 | |||
| 3x3x3 Blindfolded | First round | 9 | DNF | DNF | United States | DNF | DNF | DNF | |||||
| Square-1 | Final | 1 | 7.08 | 7.50 | United States | 7.08 | 9.52 | 7.39 | 7.99 | 7.12 | |||
| First round | 1 | 5.25 | 6.59 | United States | 6.61 | 5.85 | 7.32 | 8.11 | 5.25 | ||||
Chris Lillios - United States WCA profile
| Event | Round | # | Best | Average | Representing | Solves | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | First round | 23 | 21.70 | 26.71 | United States | 21.70 | 28.01 | 27.55 | 27.04 | 25.53 | |||
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 | 12.04 | 11.30 | 13.86 | 12.10 | 14.34 | |||
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 | 13.32 | 10.03 | 10.97 | 13.72 | 11.13 | |||
| 3x3x3 Blindfolded | First round | 9 | DNF | DNF | China | DNF | DNF | DNF | |||||
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 | 15.78 | 12.55 | 13.04 | 13.40 | 15.13 | |||
Ethan Jan - United States WCA profile
| Event | Round | # | Best | Average | Representing | Solves | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | Final | 1 | 5.83 | 6.24 | United States | 7.01 | 6.22 | 6.36 | 6.13 | 5.83 | |||
| First round | 1 | 5.96 | 6.63 | United States | 5.96 | 7.06 | 6.81 | 7.82 | 6.03 | ||||
| 3x3x3 Blindfolded | Final | 2 | 29.50 | 48.66 | United States | 29.50 | 1:09.25 | 47.22 | |||||
| First round | 4 | 1:02.18 | DNF | United States | 1:02.18 | DNF | DNF | ||||||
| Square-1 | Final | 4 | 10.03 | 19.00 | United States | 22.73 | 20.93 | 15.24 | 20.84 | 10.03 | |||
| First round | 3 | 11.66 | 14.99 | United States | 14.59 | 14.91 | 15.46 | 18.70 | 11.66 | ||||
Hamza Hafeez - United States WCA profile
| Event | Round | # | Best | Average | Representing | Solves | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | First round | 10 | 9.97 | 10.69 | United States | 11.60 | 9.97 | 10.30 | 10.17 | 12.53 | |||
| 3x3x3 Blindfolded | First round | 9 | DNF | DNF | United States | DNF | DNF | DNF | |||||
Heidi Chan - United States WCA profile
| Event | Round | # | Best | Average | Representing | Solves | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | Final | 2 | 6.14 | 6.60 | United States | 6.36 | 7.25 | 8.12 | 6.14 | 6.19 | |||
| First round | 2 | 6.57 | 7.23 | United States | 6.57 | 6.65 | 7.04 | 7.99 | 8.35 | ||||
Jacob Marinas - United States WCA profile
| Event | Round | # | Best | Average | Representing | Solves | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | First round | 11 | 10.13 | 10.83 | United States | 10.13 | 11.74 | 10.29 | 12.10 | 10.45 | |||
| 3x3x3 Blindfolded | First round | 9 | DNF | DNF | United States | DNF | DNF | DNF | |||||
Jeff Chen - United States WCA profile
| Event | Round | # | Best | Average | Representing | Solves | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | First round | 12 | 9.14 | 11.55 | United States | 9.14 | 9.27 | 12.83 | 13.28 | 12.56 | |||
| Square-1 | First round | 9 | 47.05 | United States | 1:03.03 | 47.05 | |||||||
Jimmy Kingston - United States WCA profile
| Event | Round | # | Best | Average | Representing | Solves | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | First round | 22 | 19.46 | 22.23 | United States | 19.46 | 22.60 | 22.45 | 22.34 | 21.90 | |||
| 3x3x3 Blindfolded | Final | 8 | DNF | DNF | United States | DNF | DNF | DNF | |||||
| First round | 5 | 1:22.21 | DNF | United States | DNF | DNF | 1:22.21 | ||||||
Jin Wu (武进) - China WCA profile
| Event | Round | # | Best | Average | Representing | Solves | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | First round | 21 | 14.57 | 19.75 | China | 21.44 | 14.57 | DNF | 19.72 | 18.08 | |||
| 3x3x3 Blindfolded | First round | 9 | DNF | DNF | China | DNF | DNF | DNF | |||||
Joseph Ong - United States WCA profile
| Event | Round | # | Best | Average | Representing | Solves | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | Final | 7 | 7.17 | 10.68 | United States | 10.68 | 10.81 | 10.56 | 7.17 | 12.35 | |||
| First round | 6 | 9.05 | 9.90 | United States | 11.32 | 9.05 | 9.25 | 13.16 | 9.13 | ||||
| 3x3x3 Blindfolded | Final | 7 | 3:01.25 | DNF | United States | DNF | 3:01.25 | DNF | |||||
| First round | 7 | 2:26.33 | DNF | United States | DNF | 2:26.33 | DNF | ||||||
| Square-1 | Final | 2 | 7.79 | 8.68 | United States | 12.81 | 7.79 | 7.91 | 8.11 | 10.02 | |||
| First round | 2 | 6.84 | 8.37 | United States | 11.91 | 7.58 | 9.94 | 7.58 | 6.84 | ||||
Miguel Diaz - United States WCA profile
| Event | Round | # | Best | Average | Representing | Solves | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | First round | 16 | 8.88 | 13.22 | United States | 13.47 | 11.96 | 14.22 | 16.10 | 8.88 | |||
| 3x3x3 Blindfolded | Final | 4 | 2:21.90 | DNF | United States | DNF | DNF | 2:21.90 | |||||
| First round | 6 | 1:53.11 | DNF | United States | 2:17.97 | DNF | 1:53.11 | ||||||
| Square-1 | Final | 3 | 12.21 | 16.97 | United States | 18.25 | 16.52 | 31.17 | 12.21 | 16.14 | |||
| First round | 4 | 14.11 | 16.19 | United States | 17.33 | 14.11 | 16.12 | 15.12 | 29.08 | ||||
Naomi Solnick - United States WCA profile
| Event | Round | # | Best | Average | Representing | Solves | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | Final | 5 | 6.87 | 9.21 | United States | 7.52 | 10.60 | 9.50 | 6.87 | 18.60 | |||
| First round | 5 | 9.20 | 9.80 | United States | 10.77 | 9.79 | 9.92 | 9.68 | 9.20 | ||||
| 3x3x3 Blindfolded | Final | 3 | 31.01 | DNF | United States | 46.17 | DNF | 31.01 | |||||
| First round | 2 | 39.27 | DNF | United States | DNF | DNF | 39.27 | ||||||
Ryan H. Lee - United States WCA profile
| Event | Round | # | Best | Average | Representing | Solves | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | Final | 6 | 9.33 | 9.86 | United States | 9.33 | 9.79 | DNF | 9.84 | 9.96 | |||
| First round | 7 | 8.38 | 10.37 | United States | 10.97 | 11.65 | 8.38 | 13.64 | 8.49 | ||||
| 3x3x3 Blindfolded | Final | 5 | 2:24.28 | 2:33.71 | United States | 2:40.51 | 2:24.28 | 2:36.35 | |||||
| First round | 8 | 3:14.98 | DNF | United States | DNF | 3:14.98 | DNF | ||||||
Ryan Jew - United States WCA profile
| Event | Round | # | Best | Average | Representing | Solves | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | First round | 9 | 7.59 | 10.60 | United States | 7.59 | 12.63 | 10.20 | 10.25 | 11.36 | |||
| Square-1 | Final | 6 | 26.01 | 34.02 | United States | 37.12 | 32.67 | 44.00 | 32.28 | 26.01 | |||
| First round | 6 | 15.48 | 23.50 | United States | 24.86 | 21.76 | 41.03 | 23.88 | 15.48 | ||||
Timothy Elnitiarta - United States WCA profile
| Event | Round | # | Best | Average | Representing | Solves | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | Final | 8 | 10.41 | 11.31 | United States | 10.65 | 11.20 | 10.41 | 12.08 | 15.60 | |||
| First round | 8 | 9.24 | 10.37 | United States | 10.87 | 9.53 | 10.71 | 9.24 | 11.48 | ||||
William Kamiyama - United States WCA profile
| Event | Round | # | Best | Average | Representing | Solves | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | First round | 14 | 11.37 | 12.55 | United States | 12.73 | 11.37 | 12.44 | 19.65 | 12.47 | |||
| 3x3x3 Blindfolded | First round | 9 | DNF | DNF | United States | DNF | DNF | DNF | |||||
| Square-1 | First round | 8 | 24.91 | 29.43 | United States | 41.55 | 26.67 | 31.36 | 30.25 | 24.91 | |||
Zane Qureshi - United States WCA profile
| Event | Round | # | Best | Average | Representing | Solves | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | Final | 3 | 6.72 | 8.07 | United States | 9.22 | 7.65 | 8.93 | 7.63 | 6.72 | |||
| First round | 4 | 7.22 | 8.28 | United States | 9.28 | 7.22 | 7.50 | 8.32 | 9.02 | ||||
| Square-1 | Final | 5 | 12.21 | 20.38 | United States | 25.74 | 15.11 | 35.01 | 12.21 | 20.30 | |||
| First round | 5 | 16.64 | 21.01 | United States | 19.92 | 19.60 | 16.64 | 23.51 | 24.23 | ||||