Tokyo BLD Spring 2026


Information

主催:くるくる会
https://kurukurukai.com

Organized by Kurukurukai.
https://kurukurukai.com

Events
Main event
Competitors
45
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 70 competitors.
The base registration fee for this competition is ¥2,000 (Japanese Yen).
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 on the Register tab.
No on the spot registrations will be accepted.
Spectators can attend paying an entry fee of ¥1,000 (Japanese Yen).

参加申込み

  • 参加費は会場で現金でお支払いいただきます
  • 参加申し込みが完了しても、参加定員数の都合などの関係で参加が認められない場合があります
  • 参加申し込みは先着順で承認されます。申込み承認された方にはメールを送信いたします。
  • 個別に配慮を要する特別な事情があれば、事前にお問い合わせください。(kurukurukai-tokyobldspring2026@googlegroups.com

参加費

  • 1種目参加:2,000円
  • 2種目参加:3,000円
  • 3種目参加:4,000円

※競技参加者以外(同伴・見学)の会場入場費については、「競技参加者以外の来場について」のタブをご覧ください。

Registration

  • The fee will be paid in cash at the venue.
  • Even if you have completed the registration, you may not be allowed to participate in the event due to the number limitation of participants.
  • Applications will be approved on a first-come, first-served basis. An email will be sent to those whose applications have been approved.
  • If you have special circumstances that require individual consideration, please contact us in advance. (kurukurukai-tokyobldspring2026@googlegroups.com)

Fee

  • 1 event: 2,000 yen
  • 2 events: 3,000 yen
  • 3 events: 4,000 yen

Please see the “Non-Competitor Attendance” tab for information on the admission fee for those not participating in the competition (accompanying competitors and observers).

Highlights
Click here to display the highlights of the competition.

Keita Hayakawa (早川慶太) won with a single solve of 15.74 seconds in the 3x3x3 Blindfolded event. Masato Fujiwara (藤原正人) finished second (16.26) and Will Cerne finished third (16.68).

Aiki Yaginuma (柳沼愛輝) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Second round 24 1:04.85 DNF Japan 1:04.85DNF1:15.32DNFDNF
First round 22 1:02.82 1:27.79 Japan 1:19.54DNF1:40.931:02.821:22.90
4x4x4 Blindfolded Final 11 8:58.92 DNF Japan 8:58.92DNFDNF
5x5x5 Blindfolded Final 11 15:39.00 DNF Japan DNFDNF15:39.00

Akatsuki Kitamura (北村曉) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 35 2:03.06 DNF Japan 2:03.06DNF2:22.542:17.46DNF
4x4x4 Blindfolded Final 18 16:59.00 DNF Japan DNFDNF16:59.00
5x5x5 Blindfolded Final 12 37:45.00 DNF Japan 37:45.00DNSDNS

Cary Huang - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 16 42.34 DNF United States DNF44.44DNFDNF42.34
Second round 15 45.15 DNF United States DNFDNF1:03.3645.1550.76
First round 20 47.98 1:06.47 United States 52.64DNF1:09.0847.981:17.68
4x4x4 Blindfolded Final 7 4:10.54 DNF United States 4:10.544:12.40DNF
5x5x5 Blindfolded Final 6 8:59.27 DNF United States DNF8:59.27DNF

Hajime Miyazaki (宮崎朔) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 39 2:47.46 3:19.25 Japan 2:48.112:57.512:47.464:12.14DNF

Haruka Kitamura (北村晴香) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 15 38.29 DNF Japan DNF51.6838.2955.87DNF
Second round 14 39.71 DNF Japan DNF48.7239.71DNFDNF
First round 12 31.43 DNF Japan 31.43DNF1:32.17DNFDNF
4x4x4 Blindfolded Final 12 9:27.82 DNF Japan DNF9:27.82DNF
5x5x5 Blindfolded Final 13 DNF DNF Japan DNFDNFDNF

Hirotaka Ito (伊藤大平) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 6 19.74 DNF Japan DNF19.74DNF25.34DNF
Second round 7 23.37 DNF Japan DNFDNF29.68DNF23.37
First round 7 25.48 DNF Japan DNFDNFDNF25.48DNF

Kai Yamamoto (山本快) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 17 44.64 DNF Japan 1:32.80DNF56.8744.64DNF
Second round 19 51.64 DNF Japan 51.64DNFDNF1:10.271:09.02
First round 21 53.84 DNF Japan DNF53.84DNF1:08.61DNF
4x4x4 Blindfolded Final 8 4:21.22 DNF Japan 4:21.22DNFDNF
5x5x5 Blindfolded Final 8 11:21.00 DNF Japan 11:21.00DNFDNF

Kazuhiko Kusano (草野一彦) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 41 DNF DNF Japan DNFDNFDNFDNFDNF
4x4x4 Blindfolded Final 19 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 13 DNF DNF Japan DNFDNSDNS

Keita Hayakawa (早川慶太) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 1 15.74 16.94 NR Japan 15.74DNF18.9716.0415.80
Second round 2 17.55 18.64 Japan 17.55DNF18.0618.0919.78
First round 1 17.45 DNF Japan DNF17.45DNF19.13DNF
4x4x4 Blindfolded Final 1 1:30.12 NR DNF Japan 1:30.12DNFDNF
5x5x5 Blindfolded Final 2 4:36.81 NR DNF Japan 4:36.81DNFDNF

Kenta Ikeda (池田賢太) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Second round 33 DNF DNF Japan DNFDNFDNFDNFDNF
First round 29 1:32.30 DNF Japan DNFDNF1:32.30DNFDNF
4x4x4 Blindfolded Final 19 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 13 DNF DNF Japan DNFDNSDNS

Konosuke Nishiyama (西山幸之介) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Second round 27 1:32.52 DNF Japan DNFDNF1:32.52DNF1:52.25
First round 31 1:46.12 2:21.43 Japan 2:06.59DNF1:46.121:56.643:01.05
4x4x4 Blindfolded Final 19 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 13 DNF DNF Japan DNFDNFDNS

Mahiro Tanaka (田中万尋) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Second round 31 1:45.20 2:33.28 Japan 1:45.20DNF2:23.952:38.692:37.21
First round 24 1:20.87 DNF Japan DNF2:17.542:18.061:20.87DNF

Masato Fujiwara (藤原正人) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 2 16.26 DNF Japan DNFDNF20.1516.26DNF
Second round 1 16.20 DNF Japan DNF21.4118.95DNF16.20
First round 3 20.90 DNF Japan 21.67DNFDNF20.9021.20

Masaya Nakamoto (中本誠也) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 41 DNF DNF Japan DNFDNFDNFDNFDNS
4x4x4 Blindfolded Final 19 DNF DNF Japan DNFDNFDNS

Mirei Morioka (森岡美玲) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 36 2:05.28 DNF Japan DNFDNF2:32.112:05.282:51.36
4x4x4 Blindfolded Final 14 13:30.00 DNF Japan 13:30.00DNFDNF
5x5x5 Blindfolded Final 13 DNF DNF Japan DNFDNFDNS

Naoto Kobayashi (小林直登) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 13 32.55 38.95 Japan 38.8738.89DNF39.0932.55
Second round 13 35.28 DNF Japan DNF43.3435.28DNF58.38
First round 14 32.61 46.63 Japan 32.6134.171:11.1834.55DNF
4x4x4 Blindfolded Final 19 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 3 6:33.00 DNF Japan DNFDNF6:33.00

Naoyuki Koike (小池直幸) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 8 23.16 DNF Japan DNF23.16DNFDNFDNF
Second round 12 33.52 DNF Japan DNF43.33DNFDNF33.52
First round 4 21.10 DNF Japan DNF41.57DNF21.10DNF

Naoyuki Takahashi (高橋直之) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 37 2:25.75 DNF Japan DNFDNF2:25.75DNFDNF
4x4x4 Blindfolded Final 19 DNF DNF Japan DNFDNFDNF

Ng Kang Zhe (黄康哲) - Singapore WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 41 DNF DNF Singapore DNFDNFDNFDNFDNF

Roberto Atsuhiro Sanada (真田ロベルト敦宏) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 41 DNF DNF Japan DNFDNFDNFDNSDNS

Ryuichi Hayase (早瀬龍一) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 41 DNF DNF Japan DNFDNFDNFDNFDNF
4x4x4 Blindfolded Final 19 DNF DNF Japan DNFDNFDNS

Ryutaro Miyazaki (宮崎隆太郎) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Second round 30 1:39.29 DNF Japan 1:39.291:59.94DNFDNFDNF
First round 32 1:56.93 DNF Japan DNF1:56.93DNFDNF2:35.85

Shiori Yanai - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 14 34.87 DNF Japan 38.56DNF34.87DNF49.44
Second round 10 28.07 33.94 Japan DNF41.8630.7829.1828.07
First round 11 31.23 DNF Japan 31.2334.89DNF41.61DNF
4x4x4 Blindfolded Final 5 3:18.03 DNF Japan DNF3:18.03DNF
5x5x5 Blindfolded Final 13 DNF DNF Japan DNFDNFDNF

Shogo Yamamoto (山本匠悟) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 19 46.66 DNF Japan 1:03.12DNF1:04.98DNF46.66
Second round 16 47.09 DNF Japan DNFDNFDNF51.8147.09
First round 18 43.06 DNF Japan DNFDNFDNF43.06DNF
4x4x4 Blindfolded Final 19 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 13 DNF DNF Japan DNFDNSDNS

Shota Wakabayashi (若林翔太) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 20 1:09.53 DNF Japan 1:09.53DNF1:24.771:35.60DNF
Second round 17 49.32 DNF Japan 49.321:43.9353.79DNFDNF
First round 23 1:15.21 DNF Japan DNFDNF1:15.21DNFDNF
4x4x4 Blindfolded Final 10 8:49.63 9:34.92 Japan 10:09.009:46.128:49.63
5x5x5 Blindfolded Final 10 11:56.00 DNF Japan DNF11:56.00DNF

Shuto Ueno (上野柊斗) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 12 30.75 DNF Japan DNF31.75DNF30.75DNF
Second round 11 31.09 40.61 Japan 31.0953.1333.17DNF35.53
First round 9 29.46 36.01 Japan 31.3243.43DNF33.2929.46

Syunei Miyauchi (宮内俊英) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Second round 32 2:36.93 DNF Japan DNFDNF2:36.93DNFDNF
First round 27 1:30.21 2:37.66 Japan 2:32.022:00.401:30.21DNF3:20.55
4x4x4 Blindfolded Final 17 15:37.00 17:50.00 Japan 20:16.0015:37.0017:37.00

Takayuki Ookusa (大艸尊之) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Second round 25 1:15.63 DNF Japan 1:15.63DNF1:29.22DNFDNF
First round 33 1:57.79 DNF Japan DNFDNF2:40.901:57.79DNF
4x4x4 Blindfolded Final 16 15:05.00 17:26.00 Japan 18:45.0015:05.0018:27.00

Takayuki Tanaka (田中隆喜) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Second round 23 1:01.20 DNF Japan DNFDNF1:01.20DNFDNF
First round 25 1:30.01 DNF Japan DNFDNF1:30.01DNFDNF
4x4x4 Blindfolded Final 9 5:34.36 DNF Japan 5:34.36DNFDNF

Taku Yanai (矢内拓) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 11 29.84 DNF Japan DNFDNF36.83DNF29.84
Second round 18 50.62 DNF Japan DNF50.62DNFDNFDNF
First round 15 40.21 DNF Japan DNF40.21DNFDNFDNF

Takuma Shirahase (白波瀬拓磨) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Second round 21 55.04 DNF Japan 55.041:04.35DNFDNFDNF
First round 19 43.68 DNF Japan 1:01.83DNFDNF43.681:52.23

Takumi Kato (加藤匠) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 34 2:02.59 DNF Japan DNF2:02.59DNFDNFDNF
4x4x4 Blindfolded Final 19 DNF DNF Japan DNFDNFDNS
5x5x5 Blindfolded Final 13 DNF DNF Japan DNFDNSDNS

Takumi Kawazoe (川添匠) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Second round 29 1:36.37 DNF Japan 1:36.373:02.14DNFDNFDNF
First round 28 1:30.25 DNF Japan 1:30.25DNF1:58.64DNFDNF

Takumi Tamura (田村匠) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 38 2:29.50 DNF Japan DNFDNFDNFDNF2:29.50

Teruki Tamura (田村旭輝) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 10 26.24 DNF Japan DNFDNFDNF31.7626.24
Second round 9 27.11 DNF Japan DNFDNF27.11DNFDNF
First round 13 31.55 DNF Japan DNF31.55DNFDNFDNF
4x4x4 Blindfolded Final 6 3:30.39 DNF Japan DNFDNF3:30.39
5x5x5 Blindfolded Final 5 8:27.05 DNF Japan DNF8:27.05DNF

Tomoaki Sakuma (佐久間智章) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 7 22.35 24.92 Japan 29.7322.3525.4424.0025.31
Second round 8 25.00 27.47 Japan 25.0035.5925.3630.2226.84
First round 8 26.97 DNF Japan 33.37DNFDNF26.97DNF
4x4x4 Blindfolded Final 19 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 13 DNF DNF Japan DNFDNFDNF

Tomoki Koizumi (小泉朋輝) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 18 46.22 DNF Japan 55.032:03.32DNF46.22DNF
Second round 20 53.29 DNF Japan DNF1:04.6553.29DNF1:13.92
First round 17 43.00 DNF Japan 58.03DNF59.3043.00DNF
4x4x4 Blindfolded Final 15 14:23.00 DNF Japan DNFDNF14:23.00

Will Cerne - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 3 16.68 22.13 United States 24.0721.5616.6820.77DNF
Second round 3 19.05 DNF United States 21.02DNF20.8419.05DNF
First round 5 21.63 DNF United States 22.4921.63DNFDNFDNF

Yeon Kyun Park (박연균) - Republic of Korea WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 5 18.09 22.49 Republic of Korea 25.17DNF18.0919.8322.46
Second round 5 20.13 26.74 Republic of Korea DNF36.5620.8820.1322.77
First round 6 22.02 25.51 Republic of Korea 22.0227.85DNF24.0724.61
4x4x4 Blindfolded Final 2 2:21.02 DNF Republic of Korea DNF2:21.02DNF
5x5x5 Blindfolded Final 1 3:16.09 NR DNF Republic of Korea DNF3:16.09DNF

Yuhei Takagi (高木佑平) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Second round 22 57.00 DNF Japan DNF1:18.63DNFDNF57.00
First round 16 42.90 DNF Japan DNF42.90DNFDNF1:12.99
4x4x4 Blindfolded Final 19 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 9 11:52.00 DNF Japan DNF11:52.00DNF

Yuichi Hamada (濵田祐一) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Second round 28 1:33.93 DNF Japan 1:38.61DNFDNF1:33.93DNF
First round 30 1:35.51 DNF Japan 1:46.44DNF1:35.511:50.87DNF
4x4x4 Blindfolded Final 13 11:34.00 DNF Japan DNFDNF11:34.00
5x5x5 Blindfolded Final 13 DNF DNF Japan DNFDNSDNS

Yuki Tsuneyoshi (恒吉優紀) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 4 17.54 22.62 Japan 25.32DNF17.5420.8121.73
Second round 4 19.46 23.72 Japan 19.4627.8621.69DNF21.62
First round 2 18.90 DNF Japan DNF21.3825.3118.90DNF
4x4x4 Blindfolded Final 4 2:55.98 DNF Japan 2:55.98DNFDNF
5x5x5 Blindfolded Final 7 10:03.00 DNF Japan 10:03.00DNFDNF

Yuki Yamamoto (山本祐輝) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 9 24.64 DNF Japan 39.53DNF29.6224.64DNF
Second round 6 22.27 33.09 Japan 33.71DNF36.7628.7922.27
First round 10 29.64 DNF Japan DNF37.02DNFDNF29.64
4x4x4 Blindfolded Final 3 2:47.49 DNF Japan 2:47.512:47.49DNF
5x5x5 Blindfolded Final 4 7:26.53 DNF Japan DNFDNF7:26.53

Yusuke Kosaka (髙阪優輔) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Second round 26 1:29.46 DNF Japan 1:34.57DNF1:29.461:50.43DNF
First round 26 1:30.18 DNF Japan 1:30.181:53.321:43.23DNFDNF

Yusuke Takada (高田祐介) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 40 5:41.92 DNF Japan 5:41.92DNFDNFDNSDNS
4x4x4 Blindfolded Final 19 DNF DNF Japan DNFDNFDNS
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