Tokyo BLD Summer 2026


Information

主催:くるくる会
https://kurukurukai.jp

Organized by Kurukurukai.
https://kurukurukai.jp

Events
Main event
Competitors
47
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 75 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).

重要確認事項

本大会は、競技に参加しない時間帯の競技者の方々に、決勝戦を含むジャッジ及びスクランブラー対応を行っていただくことを前提としたスケジュールとなっております。以下の点にご留意ください。

  1. 遅刻した場合は失格となることがあります(WCA Regulations 2k1
  2. デリゲートの承認がない限り、競技者は進出できなかった種目の決勝においてジャッジまたはスクランブラーとして対応できるよう会場に滞在しなければなりません。従わない場合、失格となることがあります。(WCA Regulations 1e2, 1f2) ​ ​

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-tokyobldsummer2026@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
  • 4種目参加:5,000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。

Important Notice

This competition schedule is based on the premise that competitors not participating in events during certain events will assist with judging and scrambling duties, including finals. Please note the following points:


1. Arriving late may result in disqualification (WCA Regulations 2k1)
2. Unless approved by a delegate, competitors must remain at the venue to serve as a judge or scrambler for finals in events they did not advance to. Failure to comply may result in disqualification. (WCA Regulations 1e2, 1f2)

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-tokyobldsummer2026@googlegroups.com)

Fee

  • 1 event: 2,000 yen
  • 2 events: 3,000 yen
  • 3 events: 4,000 yen
  • 4 events: 5,000 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 15.68 seconds in the 3x3x3 Blindfolded event. Will Cerne finished second (17.54) and Masato Fujiwara (藤原正人) finished third (18.93).

Aiki Yaginuma (柳沼愛輝) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 24 1:30.57 DNF Japan DNF1:30.571:52.72DNFDNF
5x5x5 Blindfolded Final 8 18:37.00 DNF Japan 18:37.0021:13.00DNF

Akatsuki Kitamura (北村曉) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 28 1:47.57 DNF Japan 1:47.572:11.40DNFDNFDNF
4x4x4 Blindfolded Final 13 16:59.00 DNF Japan DNFDNF16:59.00
3x3x3 Multi-Blind Final 12 7/9 52:29 Japan 7/9 52:29

Akifumi Sasaki (佐々木彰史) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 36 DNF DNF Japan DNFDNFDNFDNFDNF
4x4x4 Blindfolded Final 4 3:48.15 DNF Japan DNF4:28.733:48.15
5x5x5 Blindfolded Final 10 DNF DNF Japan DNFDNFDNF
3x3x3 Multi-Blind Final 11 10/14 57:29 Japan 10/14 57:29

Akito Suzuki (鈴木諒人) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 36 DNF DNF Japan DNFDNFDNFDNFDNF

Daisuke Kochi (幸地大輔) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 31 2:03.63 DNF Japan DNFDNF2:03.63DNFDNF
4x4x4 Blindfolded Final 15 DNF DNF Japan DNFDNFDNF
3x3x3 Multi-Blind Final 7 8/8 43:17 Japan 8/8 43:17

Haruka Kitamura (北村晴香) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 13 34.72 41.03 Japan 45.8938.1140.1034.7244.88
4x4x4 Blindfolded Final 15 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 10 DNF DNF Japan DNFDNFDNF
3x3x3 Multi-Blind Final 20 DNF Japan DNF

Hinata Yamada (山田陽向) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 36 DNF DNF Japan DNFDNFDNFDNFDNF

Hirotaka Ito (伊藤大平) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 8 23.00 DNF Japan DNFDNFDNFDNF23.00
First round 6 22.11 DNF Japan DNFDNF22.11DNF22.79

Hiroto Fujita (藤田浩斗) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 12 33.30 42.50 Japan 41.0440.1433.3046.311:13.37
4x4x4 Blindfolded Final 9 7:16.87 DNF Japan DNFDNF7:16.87
5x5x5 Blindfolded Final 6 12:06.00 DNF Japan DNF12:06.00DNF
3x3x3 Multi-Blind Final 2 21/21 59:59 Japan 21/21 59:59

Kai Ito (井藤魁) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 36 DNF DNF Japan DNFDNSDNSDNSDNS

Kai Yamamoto (山本快) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 20 56.40 DNF Japan DNF56.40DNFDNFDNF
4x4x4 Blindfolded Final 7 6:09.41 DNF Japan 6:09.41DNFDNF
5x5x5 Blindfolded Final 4 10:26.00 DNF Japan DNF11:41.0010:26.00

Kazuhiko Kusano (草野一彦) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 34 2:22.65 DNF Japan DNFDNFDNF2:22.652:27.98
4x4x4 Blindfolded Final 15 DNF DNF Japan DNFDNSDNS
5x5x5 Blindfolded Final 9 43:11.00 DNF Japan 43:11.00DNSDNS

Keita Hayakawa (早川慶太) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 1 15.68 18.39 Japan 18.21DNF15.6816.9819.98
First round 1 15.51 DNF Japan DNF15.51DNFDNF19.77
4x4x4 Blindfolded Final 1 2:09.96 DNF Japan 2:09.96DNFDNF
5x5x5 Blindfolded Final 1 3:40.23 NR DNF Japan 3:40.236:03.79DNF

Kenta Ikeda (池田賢太) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 19 55.74 DNF Japan 55.74DNFDNFDNFDNF
4x4x4 Blindfolded Final 15 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 10 DNF DNF Japan DNFDNFDNS
3x3x3 Multi-Blind Final 14 8/12 55:23 Japan 8/12 55:23

Kousei Noguchi (野口航聖) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 22 1:02.87 DNF Japan DNFDNF1:02.87DNFDNF
4x4x4 Blindfolded Final 15 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 10 DNF DNF Japan DNFDNSDNS

Masashi Kurasawa (倉澤将司) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 35 2:25.24 DNF Japan 3:17.263:16.84DNF2:25.24DNF
3x3x3 Multi-Blind Final 20 DNF Japan DNF

Masato Fujiwara (藤原正人) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 3 18.93 DNF Japan DNF19.5420.16DNF18.93
First round 4 19.43 DNF Japan DNF19.43DNFDNFDNF

Mirei Morioka (森岡美玲) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 32 2:04.53 DNF Japan 2:10.96DNFDNF2:04.532:27.38
4x4x4 Blindfolded Final 11 10:21.00 12:33.00 Japan 10:21.0012:55.0014:22.00
5x5x5 Blindfolded Final 10 DNF DNF Japan DNFDNSDNS
3x3x3 Multi-Blind Final 20 DNF Japan DNF

Naoto Kobayashi (小林直登) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 9 23.48 31.44 Japan 30.7423.4831.8733.5131.70
First round 10 27.57 32.78 Japan 38.6237.5328.7532.0727.57
4x4x4 Blindfolded Final 2 2:16.78 2:35.13 NR Japan 2:16.782:21.883:06.73
5x5x5 Blindfolded Final 3 6:09.78 DNF Japan 6:09.786:53.41DNF
3x3x3 Multi-Blind Final 1 32/41 59:50 Japan 32/41 59:50

Naoya Hirata (平田直也) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 26 1:43.29 DNF Japan DNF1:49.15DNF1:43.29DNF
3x3x3 Multi-Blind Final 19 6/11 58:08 Japan 6/11 58:08

Naoyuki Koike (小池直幸) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 7 21.63 DNF Japan DNF22.53DNF25.1121.63
First round 3 18.76 DNF Japan 22.58DNF18.76DNFDNF
3x3x3 Multi-Blind Final 20 DNF Japan DNF

Naoyuki Takahashi (高橋直之) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 25 1:40.12 DNF Japan DNFDNFDNF1:40.12DNF
4x4x4 Blindfolded Final 14 20:18.00 DNF Japan DNF20:18.00DNS
3x3x3 Multi-Blind Final 8 6/6 48:20 Japan 6/6 48:20

Ng Kang Zhe (黄康哲) - Singapore WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 36 DNF DNF Singapore DNFDNFDNFDNFDNF

Qiuchi Sang (桑秋驰) - China WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 4 19.65 DNF China DNF19.6524.44DNFDNF
First round 9 25.80 DNF China 27.47DNFDNF27.1925.80

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

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 27 1:44.59 DNF Japan DNF2:07.081:44.59DNFDNF

Shogo Yamamoto (山本匠悟) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 16 42.35 DNF Japan 56.8842.35DNFDNFDNF
4x4x4 Blindfolded Final 15 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 10 DNF DNF Japan DNFDNSDNS
3x3x3 Multi-Blind Final 20 DNF Japan DNF

Shota Wakabayashi (若林翔太) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 36 DNF DNF Japan DNFDNFDNFDNFDNF
4x4x4 Blindfolded Final 15 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 7 16:29.00 DNF Japan 16:29.00DNFDNS
3x3x3 Multi-Blind Final 15 12/20 1:00:00 Japan 12/20 1:00:00

Shuto Ueno (上野柊斗) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 10 25.79 41.38 Japan DNF31.6625.7935.4457.05
First round 8 23.85 29.64 Japan 33.2426.9623.8528.73DNF
4x4x4 Blindfolded Final 8 6:15.72 7:15.05 Japan 7:49.966:15.727:39.48

Syunei Miyauchi (宮内俊英) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 33 2:05.73 DNF Japan 2:05.732:49.72DNFDNFDNF
5x5x5 Blindfolded Final 10 DNF DNF Japan DNFDNFDNS
3x3x3 Multi-Blind Final 18 3/4 33:24 Japan 3/4 33:24

Tadeo Kondrak - Canada WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 36 DNF DNF Canada DNFDNFDNFDNFDNS
4x4x4 Blindfolded Final 15 DNF DNF Canada DNFDNFDNS
3x3x3 Multi-Blind Final 20 DNF Canada DNF

Takayuki Ookusa (大艸尊之) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 23 1:25.15 DNF Japan 2:08.70DNFDNFDNF1:25.15
4x4x4 Blindfolded Final 15 DNF DNF Japan DNFDNSDNS
5x5x5 Blindfolded Final 10 DNF DNF Japan DNFDNFDNF
3x3x3 Multi-Blind Final 20 DNF Japan DNF

Takayuki Tanaka (田中隆喜) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 21 1:02.15 DNF Japan DNFDNF1:24.961:12.061:02.15
4x4x4 Blindfolded Final 5 5:23.46 5:49.91 Japan 5:23.465:34.906:31.36
5x5x5 Blindfolded Final 10 DNF DNF Japan DNFDNFDNF
3x3x3 Multi-Blind Final 5 14/16 53:24 Japan 14/16 53:24

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

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 18 54.00 DNF Japan DNFDNF54.001:05.10DNF
4x4x4 Blindfolded Final 6 5:46.63 DNF Japan DNF5:46.63DNF
5x5x5 Blindfolded Final 10 DNF DNF Japan DNFDNFDNF
3x3x3 Multi-Blind Final 10 8/10 55:30 Japan 8/10 55:30

Takumi Kawazoe (川添匠) - Japan WCA profile

Event Round # Best Average Representing Solves
4x4x4 Blindfolded Final 12 11:22.00 DNF Japan DNF11:22.00DNF
3x3x3 Multi-Blind Final 16 3/3 23:22 Japan 3/3 23:22

Takumi Tamura (田村匠) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 29 1:49.23 DNF Japan DNF2:01.80DNF1:49.23DNF
3x3x3 Multi-Blind Final 20 DNF Japan DNF

Teruki Tamura (田村旭輝) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 14 34.75 DNF Japan 36.90DNF34.7536.60DNF
4x4x4 Blindfolded Final 15 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 10 DNF DNF Japan DNFDNFDNF
3x3x3 Multi-Blind Final 6 16/22 57:37 Japan 16/22 57:37

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

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 6 20.27 DNF Japan DNF20.2724.48DNF25.95
First round 7 22.89 DNF Japan DNFDNF22.89DNFDNF
4x4x4 Blindfolded Final 10 8:33.67 DNF Japan 8:33.67DNFDNF
5x5x5 Blindfolded Final 10 DNF DNF Japan DNFDNSDNS
3x3x3 Multi-Blind Final 13 10/15 53:17 Japan 10/15 53:17

Tomoyuki Hiraide (平出智之) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 15 37.21 DNF Japan DNF37.21DNFDNFDNF

Torakazu Onota (小野田虎司) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 36 DNF DNF Japan DNFDNFDNFDNFDNF
4x4x4 Blindfolded Final 15 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 10 DNF DNF Japan DNFDNFDNS
3x3x3 Multi-Blind Final 20 DNF Japan DNF

Wenxin Huang (黄文信) - China WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 36 DNF DNF China DNFDNFDNFDNFDNF
4x4x4 Blindfolded Final 15 DNF DNF China DNFDNFDNS
3x3x3 Multi-Blind Final 9 7/8 51:02 China 7/8 51:02

Will Cerne - United States WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 2 17.54 DNF United States 17.54DNFDNF22.3517.81
First round 2 16.51 DNF United States DNFDNF16.51DNF18.92
4x4x4 Blindfolded Final 15 DNF DNF United States DNFDNFDNF
3x3x3 Multi-Blind Final 4 22/27 48:40 United States 22/27 48:40

Yuhei Takagi (高木佑平) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 17 51.18 DNF Japan DNF51.18DNFDNFDNF
4x4x4 Blindfolded Final 15 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 5 10:41.00 DNF Japan 10:41.00DNFDNF

Yuhi Endo (遠藤紬斐) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 30 1:57.05 DNF Japan DNFDNF3:06.951:57.05DNF

Yuichi Hamada (濵田祐一) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 36 DNF DNF Japan DNFDNFDNFDNFDNF
3x3x3 Multi-Blind Final 20 DNF Japan DNF

Yuki Tsuneyoshi (恒吉優紀) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded Final 5 19.88 DNF Japan DNFDNFDNFDNF19.88
First round 5 20.96 DNF Japan DNF20.96DNFDNFDNF
4x4x4 Blindfolded Final 15 DNF DNF Japan DNFDNFDNF
5x5x5 Blindfolded Final 10 DNF DNF Japan DNFDNFDNF
3x3x3 Multi-Blind Final 3 20/20 55:16 Japan 20/20 55:16

Yuki Yamamoto (山本祐輝) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Blindfolded First round 11 30.37 DNF Japan DNFDNFDNFDNF30.37
4x4x4 Blindfolded Final 3 2:35.89 3:04.10 Japan 3:30.753:05.662:35.89
5x5x5 Blindfolded Final 2 4:59.14 DNF Japan DNF9:43.544:59.14
3x3x3 Multi-Blind Final 20 DNF Japan DNF

Yusuke Kosaka (髙阪優輔) - Japan WCA profile

Event Round # Best Average Representing Solves
3x3x3 Multi-Blind Final 17 4/5 47:44 Japan 4/5 47:44
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