06.01 Tue 17:00 over 05:00 Сборы перед третьим этапом BelOI 2026, декаб…рь 2025 - январь 2026. День 10
contest.yandex.ru/CYF
06.01 Tue 17:15 over 02:45 Happy New Year 2026
judge.eluminatis-of-lu.com
09.01 Fri 05:00 47 hours 95 days Booster Soccer Showdown
competesai.com
11.01 Sun 11:00 4 days 16 days ICPC 2025 Online Winter Challenge powered by Huawei
codeforces.com
12.01 Mon 23:59 6 days 62 days Google Tunix Hack - Train a model to show its work [reinforcement learning, tpu, ml et…hics, text generation, coding] 11 
kaggle.com
15.01 Thu 23:59 9 days 84 days Recod.ai/LUC - Scientific Image Forgery Detection [research, biology, m…edicine, image, custom metric]
kaggle.com
16.01 Fri 23:59 10 days 176 days MITSUI&CO. Commodity Prediction Challenge [fina…nce, investing, custom metric]
kaggle.com
22.01 Thu 23:59 16 days 93 days PhysioNet - Digitization of ECG Images [health, medicine, time s…eries analysis, custom metric]
kaggle.com
28.01 Wed 23:59 22 days 92 days CSIRO - Image2Biomass Prediction [b…iology, agriculture, r2 score]
kaggle.com
30.01 Fri 23:59 24 days 74 days Santa 2025 - Christmas Tree Packing Challenge [optimization, holidays and c…ultural events, custom metric]
kaggle.com
31.01 Sat 23:59 25 days 31 days Predicting Student Test Scores [beginner, tabular, rmse]
kaggle.com
02.02 Mon 23:59 27 days 110 days CAFA 6 Protein Function Prediction [healthcare, bi…ology, tabular, custom metric]
kaggle.com
13.02 Fri 23:59 38 days 92 days Vesuvius Challenge - Surface Detection [history, image segmentation…, segmentation, custom metric]
kaggle.com
23.03 Mon 23:59 76 days 97 days Deep Past Challenge - Translate Akkadian to English [history, tex…t, translation, custom metric]
kaggle.com
15.04 Wed 23:59 99 days 146 days AI Mathematical Olympiad - Progress Prize 3 [nl…p, mathematics, custom metric]
kaggle.com
16.06 Tue 23:59 161 days 273 days Hull Tactical - Market Prediction [fi…nance, tabular, custom metric]
kaggle.com
13.01 Tue 21:00 7 days 43 days Отборочный этап. XX Открытая олимпиада по программированию
inf-open.ru
21.02 Sat 16:00 45 days 91 days Powerful Sums
azspcs.com
08.10 Thu 07:00 274 days 365 days Russian Olympiad in Artificial Intellig…ence 2026 [ai]. Training round
cups.online
13.11 Fri 00:00 310 days 365 days Snake3D
datsteam.dev
07.01 Wed 14:30 8 hours 02:00 Starters 220 4 
codechef.com
09.01 Fri 18:30 3 days 48:00 Weekend Dev Challenge 32: Data Ana…lysis & Visualization Projects
codechef.com
14.01 Wed 14:30 7 days 02:00 Starters 221
codechef.com
21.01 Wed 14:30 14 days 02:00 Starters 222
codechef.com
28.01 Wed 14:30 21 days 02:00 Starters 223
codechef.com
07.01 Wed 14:35 8 hours 03:00 Hello 2026 1 
codeforces.com
12.01 Mon 14:35 5 days 02:15 Codeforces Round 1072 (Div. 3)
codeforces.com
07.01 Wed 15:30 9 hours 01:30 Beginner Contest 103 1 
naukri.com/code360
08.01 Thu 15:01 33 hours 02:00 Weekly Contest 212
naukri.com/code360
08.01 Thu 12:00 30 hours 05:00 Сборы перед третьим этапом BelOI 2026, декаб…рь 2025 - январь 2026. День 11
contest.yandex.ru/CYF
09.01 Fri 00:00 42 hours 72:00 RUSEC CTF 2025 12 
ctftime.org
10.01 Sat 00:00 3 days 48:00 UofTCTF 2026
ctftime.org
10.01 Sat 09:00 3 days 48:00 New Year CTF 2026
ctftime.org
17.01 Sat 03:10 10 days 12:00 SWIMMER OSINT CTF
ctftime.org
30.01 Fri 09:00 23 days 09:00 Jeanne d'Hack CTF 2026 | 3ème Édition
ctftime.org
31.01 Sat 08:00 24 days 24:00 PascalCTF Beginners 2026
ctftime.org
07.03 Sat 14:00 59 days 29:00 @Hack 2026
ctftime.org
21.03 Sat 11:00 73 days 08:00 Undutmaning 2026
ctftime.org
10.04 Fri 22:00 94 days 48:00 UMassCTF 2026
ctftime.org
11.04 Sat 10:00 94 days 24:00 Midnight Sun CTF 2026 Quals
ctftime.org
17.04 Fri 17:00 100 days 36:00 BlueHens CTF 2025
ctftime.org
08.05 Fri 10:00 121 days 55:00 PHONIX VIPER NOVA CTF#2
ctftime.org
07.06 Sun 10:00 151 days 24:00 SSMCTF 2026 Qualifiers
ctftime.org
09.01 Fri 11:00 53 hours 03:00 牛客挑战赛85 [ACM] 5 
ac.nowcoder.com
11.01 Sun 11:00 4 days 02:00 牛客周赛 Round 126 [IOI]
ac.nowcoder.com
16.01 Fri 11:00 9 days 02:00 牛客小白月赛127 [ACM]
ac.nowcoder.com
18.01 Sun 11:00 11 days 02:00 牛客周赛 Round 127 [IOI]
ac.nowcoder.com
03.02 Tue 06:00 27 days 04:00 2026牛客寒假算法基础集训营1 [ACM]
ac.nowcoder.com
05.02 Thu 06:00 29 days 04:00 2026牛客寒假算法基础集训营2 [ACM]
ac.nowcoder.com
10.01 Sat 05:00 3 days 05:00 The 4th Universal Cup. Stage 12: Shanghai 3 
ucup.ac
17.01 Sat 05:00 10 days 05:00 The 4th Universal Cup. Stage 13: TBD
ucup.ac
24.01 Sat 05:00 17 days 05:00 The 4th Universal Cup. Stage 14: TBD
ucup.ac
31.01 Sat 05:00 24 days 05:00 The 4th Universal Cup. Stage 15: TBD
ucup.ac
10.01 Sat 06:00 3 days 04:00 AtCoder Heuristic Contest 059 6 
atcoder.jp
10.01 Sat 12:00 3 days 01:40 AtCoder Beginner Contest 440
atcoder.jp
11.01 Sun 12:00 4 days 02:00 AtCoder Regular Contest 212 (Div. 2)
atcoder.jp
17.01 Sat 12:00 10 days 01:40 AtCoder Beginner Contest 441 (Pr…omotion of Engineer Guild Fes)
atcoder.jp
24.01 Sat 12:00 17 days 01:40 JPRS Programming Contest 2026#1 …(AtCoder Beginner Contest 442)
atcoder.jp
31.01 Sat 12:00 24 days 01:40 Denso Create Programming Contest 2026…（AtCoder Beginner Contest 443）
atcoder.jp
01.02 Sun 10:00 25 days 04:00 RECRUIT Nihonbashi Half Marathon 2026 Winter (…AtCoder Heuristic Contest 060)
atcoder.jp
10.01 Sat 06:00 3 days 04:00 【LGR-258-Div.2】洛谷 1 月月赛 II & KWOI Round 1 [rated, ioi] 2 
luogu.com.cn
11.01 Sun 00:30 4 days 04:00 『LBA-OI』Round 2 [rated, ioi]
luogu.com.cn
17.01 Sat 06:00 10 days 04:00 『GTOI』Round 2 [rated, ioi]
luogu.com.cn
10.01 Sat 08:00 3 days 03:00 HackTheART
kilonova.ro
11.01 Sun 02:30 4 days 01:30 Weekly Contest 484 2 
leetcode.com
17.01 Sat 14:30 10 days 01:30 Biweekly Contest 174
leetcode.com
18.01 Sun 02:30 11 days 01:30 Weekly Contest 485
leetcode.com
11.01 Sun 04:00 4 days 00:00 Problem 978 5 
projecteuler.net
18.01 Sun 07:00 11 days 00:00 Problem 979
projecteuler.net
25.01 Sun 10:00 18 days 00:00 Problem 980
projecteuler.net
25.01 Sun 10:00 18 days 00:00 Problem 981
projecteuler.net
31.01 Sat 13:00 24 days 00:00 Problem 982
projecteuler.net
07.02 Sat 16:00 31 days 00:00 Problem 983
projecteuler.net
11.01 Sun 06:00 4 days 05:00 Подготовка к области/республике 2026
dl.gsu.by
11.01 Sun 11:00 4 days 01:00 Blitz Round #10 1 
basecamp.eolymp.com
18.01 Sun 15:00 11 days 02:00 Weekend Practice #17
basecamp.eolymp.com
11.01 Sun 14:35 4 days 03:00 Hello 2026 Round
repovive.com
15.01 Thu 06:00 8 days 32 days Международная олимпиада Innopolis Open 2025 – Профиль «Робототехника». Второй тур заочног…о отборочного этапа, 7-8 класс 5 
cups.online
15.01 Thu 06:00 8 days 32 days Международная олимпиада Innopolis Open 2025 – Профиль «Робототехника». Второй тур заочного …отборочного этапа, 9-11 класс
cups.online
08.02 Sun 07:05 32 days 03:00 Technocup 2025-2026 [sport_coding]. Second qualifying stage
cups.online
13.03 Fri 06:00 65 days 05:00 Международная олимпиада Innopolis Open 2025 – Профиль «Робототехника». …Заключительный этап, 7-8 класс
cups.online
13.03 Fri 06:00 65 days 05:00 Международная олимпиада Innopolis Open 2025 – Профиль «Робототехника». З…аключительный этап, 9-11 класс
cups.online
13.03 Fri 07:00 65 days 56:00 Technocup 2025-2026 [sport_coding]. Final stage
cups.online
15.01 Thu 14:30 8 days 02:00 Vatan himoyachilari kuni | RoboContest Round #107 1 
robocontest.uz
29.01 Thu 14:30 22 days 02:00 RoboContest Round #108
robocontest.uz
22.01 Thu 14:30 15 days 00:40 Tough Dash, January 2026
toph.co
24.01 Sat 14:00 17 days 03:00 CONTEST #4 3 
hsin.hr/coci
21.02 Sat 14:00 45 days 03:00 CONTEST #5
hsin.hr/coci
21.03 Sat 14:00 73 days 03:00 CONTEST #6
hsin.hr/coci
10.05 Sun 14:00 123 days 03:00 CROATIAN OLYMPIAD IN INFORMATICS
hsin.hr/coci
09.02 Mon 05:00 33 days 83 days ICRA 2026 Sim2Real Soccer Challenge
competesai.com
04.03 Wed 21:00 57 days 48:00 Заключительный этап. XX Открытая …олимпиада по программированию
inf-open.ru
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