Rubyist Bulk Reload 2026
Sponsored and hosted by GMO Internet Group and GMO Pepabo, Inc.
- 18:00
- Free
- 60
-
Oarai Ferry Terminal (Oarai Port) 大洗港フェリーターミナル
Events
Most social events open registration on 6 April or later. More events are expected! RubyKaigi will keep this page updated.
Day -1
Mon, Apr 20
Day 0
Tue, Apr 21
ANDPAD Welcome Drinkup
Sponsored and hosted by ANDPAD Inc.
- 19:00
- Free
- 65
-
Jimoto-ya 本格海鮮居酒屋 地元家 函館本店
J.LEAGUE Supporters.rb
- 19:00
- 5,000 JPY
- 15
-
SportsPub Green Card
Day 1
Wed, Apr 22
RubyKaigi 2026 Official Party
- 19:30
- Paid registration required, TBA
- TBD
-
Hakodate Kokusai Hotel 函館国際ホテル
- Speakers and Ruby committers are invited so no registration required.
Treasure Data: Wake-up Tram (Day 1)
Sponsored and hosted by Treasure Data
- 08:30
- Free
- 25
-
Hakodate Eki-mae Tram Station 函館駅前停留場
STORES CAFE for Women on Day 1
Sponsored and hosted by STORES, Inc.
- 12:15
- Free
- 9
-
Yunokawa Daizushi 湯の川 大寿司
Hello Drink up
Sponsored and hosted by Hello, Inc.
- 21:30
- Free
- 50
-
Ikasei Daimon いか清 大門
Day 2
Thu, Apr 23
CodeCast Running Event Day2
Sponsored and hosted by CodeCast inc.
- 08:00
- Free
- 30
-
The park entrance in front of Goryokaku Tower 五稜郭タワー前公園入口
Dynamite training at RubyKaigi Day2
Sponsored and hosted by hacomono Inc.
- 08:20
- Free
- 40
-
Hakodate arena Budokan 函館アリーナ 武道館
Treasure Data: Wake-up Tram (Day 2)
Sponsored and hosted by Treasure Data
- 08:30
- Free
- 25
-
Hakodate Eki-mae Tram Station 函館駅前停留場
ITANDI Lunch Event
Sponsored and hosted by ITANDI, Inc.
- 12:00
- Free
-
Around the event venue 会場周辺
STORES CAFE for Women on Day 2
Sponsored and hosted by STORES, Inc.
- 12:15
- Free
- 9
-
Yunokawa Daizushi 湯の川 大寿司
Treasure Data: Hakodate Night Drinkup on Tram
Sponsored and hosted by Treasure Data
- 18:15
- Free
- 25
-
Hakodate Arena-Mae Tram Station アリーナ前停留所
Code Party (Social Coding) at RubyKaigi 2026
Sponsored and hosted by ANDPAD Inc.
- 18:30
- Free
- 60
-
Large meeting room in Hakodate Citizen Hall, 3F 函館市民会館 3F 大会議室
IVRy Climbing & Drinkup
Sponsored and hosted by IVRy Inc.
- 18:30
- Free
- 25
-
HOMIE [Bus from the conference venue] ホーミー (本編会場からバス)
Leaner Board Game Night
Sponsored and hosted by Leaner Technologies Inc.
- 18:30
- Free
- 70
-
Hakodate International Hotel 函館国際ホテル
Tenshoku-DRAFT Drinkup
Sponsored and hosted by TenshokuDRAFT
- 18:30
- 0
- 30
-
ozigi brewing Hakodate Brewery ozigi brewing 函館麦酒醸造所
STORES CAFE at RubyKaigi 2026
Sponsored and hosted by STORES, Inc.
- 18:30
- Free
- 40
-
Hakodate Community Plaza G Square 函館コミュニティプラザ Gスクエア
PicoPicoRuby#12: Code Party
- 18:30 - 21:15
- 1,600 JPY
- 20
-
Large meeting room in Hakodate Citizen Hall, 3F 函館市民会館 3F 大会議室
- Co-located with Code Party hosted by ANDPAD
Net Protections Inc. Onsen Drinkup
Sponsored and hosted by Net Protections, Inc.
- 19:00
- Free
- 40
-
Yunohama Hotel 湯の浜ホテル
ESM Drinkup
Sponsored and hosted by ESM, Inc.
- 19:00
- Free
- 110
-
Uomasa Goryokaku Main Branch 函館海鮮居酒屋 魚まさ 五稜郭総本店
CodeCast Drinkup & Sushi
Sponsored and hosted by CodeCast inc.
- 19:00
- Free
- 30
-
Hakomaru Sushi Hakodate Okawa Branch 函まるずし 函館大川店
note Drinkup on Day 2
Sponsored and hosted by note inc.
- 19:00
- Free
- 25
-
Ika Taro Sohonten いか太郎 総本店
Findy Drinkup
Sponsored and hosted by Findy Inc.
- 19:00
- Free
- 24
-
HAPPY AS LARRY
Studist x OPTIM Drinkup
Sponsored and hosted by Studist and OPTiM Corporation
- 19:00
- Free
-
Hakodate Beer はこだてビール
giftee Drink up
Sponsored and hosted by giftee Inc.
- 19:00
- Free
- 50
-
Kibarashi 隠れ家居酒屋 気腹志
TOKIUM & mybest Drinkup
Sponsored and hosted by mybest,Inc. and TOKIUM Inc.
- 19:30
- Free
- 50
-
Hakodate Beer Hall 函館ビヤホール
Coincheck Drinkup at White Seed Goryokaku
Sponsored and hosted by Coincheck, Inc.
- 22:00
- Free
- 200–300 liters (While supplies last)
-
White Seed Goryokaku White Seed 五稜郭
RubyKaraoke
- 21:00 - 02:00
- 5,000 JPY
-
KaraokeKan Hakodate Goryoukaku Branch カラオケ館 函館五稜郭店
Day 3
Fri, Apr 24
CodeCast Running Event Day3
Sponsored and hosted by CodeCast inc.
- 08:00
- Free
- 30
-
The park entrance in front of Goryokaku Tower 五稜郭タワー前公園入口
Dynamite training at RubyKaigi Day3
Sponsored and hosted by hacomono Inc.
- 08:20
- Free
- 40
-
Hakodate arena Budokan 函館アリーナ 武道館
Treasure Data: Wake-up Tram (Day 3)
Sponsored and hosted by Treasure Data
- 08:30
- Free
- 25
-
Hakodate Eki-mae Tram Station 函館駅前停留場
note Lunch "Meatup"
Sponsored and hosted by note inc.
- 12:30
- Free
- 12
-
Hamburg JIPLA ハンバーグJIPLA ジプラ
GMO Internet Group Drinkup
Sponsored and hosted by GMO Internet Group
- 19:00
- Free
- 50
-
Kaisen Izakaya Uosensuisan - Hakodate Goryokaku Koen-mae 海鮮居酒屋 魚鮮水産 函館五稜郭公園前店
hacomono Yakiniku Drinkup
Sponsored and hosted by hacomono Inc.
- 19:00
- Free
- 34
-
Yakiniku Kikuchi 焼肉菊池
Link and Motivation Drinkup
Sponsored and hosted by Link and Motivation Inc.
- 19:00
- Free
- 50
-
Ikataro (President Hakodate Asaichi Branch) いか太郎 プレジデント函館朝市店
mov Drinkup RED STAGE
Sponsored and hosted by mov inc.
- 19:00
- Free
- 60
-
Jimotoya Hakodate 地元家 函館本店
freee Drinkup
Sponsored and hosted by freee K.K.
- 19:00
- freee
- 56
-
PREMIER HOTEL -CABIN PRESIDENT- HAKODATE プレミアホテル -キャビンプレジデント- 函館
mov Drinkup GREEN STAGE
Sponsored and hosted by mov inc.
- 19:00
- Free
- 48
-
Uomasa Goryokaku 魚まさ 五稜郭総本店
RubyIlluminations
Sponsored and hosted by pixiv Inc.
- 19:30
- Free
-
BLUE POINT
Day 4
Sat, Apr 25
Async Cafe Workshop (Morning)
- 09:00 - 11:00
- Free
- 15
-
SOLENOID ソレノイド
Rubyists on Walking
Sponsored and hosted by hacomono Inc.
- 09:15
- Free
- 20
-
Goryokaku Park 五稜郭公園
Lightning Talks on Hakodate Tram
Sponsored and hosted by SmartHR, Inc.
- 09:50
- Free
- 30
-
Komaba-shako-mae Tram Stop [DY04] 函館市電「駒場車庫前」停留場
Async Cafe Workshop (Afternoon)
- 13:00 - 15:00
- Free
- 15
-
SOLENOID ソレノイド
RubyKaigi 2026 Golf Competition in Hakodate
- 10:00 - 18:00
- 10,000 JPY
- 11
-
Hakodate Bay Coast Country Club 函館ベイコーストカントリークラブ