UPCOMING CONTESTS
| Platform | Contest | Date | Start | End | Link |
|---|---|---|---|---|---|
| datsteam.dev | Snake3D | 13-11-2025 | 05:30 | 05:30 | Visit |
| kaggle.com | ARC Prize 2026 - Paper Track [artificial intelligence, general knowledge and reasoning] | 25-03-2026 | 23:08 | 05:29 | Visit |
| kaggle.com | ARC Prize 2026 - ARC-AGI-2 [artificial intelligence, custom metric] | 25-03-2026 | 23:08 | 05:29 | Visit |
| kaggle.com | ARC Prize 2026 - ARC-AGI-3 [artificial intelligence, general knowledge and reasoning, custom metric] | 25-03-2026 | 23:08 | 05:29 | Visit |
| cups.online | Технокубок 2026-2027. Introductory round | 13-04-2026 | 13:08 | 13:08 | Visit |
| kaggle.com | Biohub - Cell Tracking During Development [biology, computer vision, image, video, object detection, custom metric] | 30-06-2026 | 00:31 | 05:29 | Visit |
| cups.online | Russian Olympiad in Artificial Intelligence 2026 [ai]. Training round | 01-07-2026 | 12:30 | 02:29 | Visit |
| kaggle.com | Kaggriculture [simulations, custom metric] | 30-07-2026 | 21:45 | 05:29 | Visit |
| kaggle.com | RSNA Knee Abnormality Detection [medicine, computer vision, image, text, image classification, roc auc score] | 05-08-2026 | 21:21 | 05:29 | Visit |
| kaggle.com | Predicting Electric Vehicle Purchases [beginner, tabular, roc auc score] | 01-09-2026 | 05:30 | 05:29 | Visit |
| codingame.com | Summer Challenge 2026 | 07-09-2026 | 13:30 | 13:30 | Visit |
| basecamp.eolymp.com | USACO 2015 US OPEN | 14-09-2026 | 10:30 | 01:29 | Visit |
| kaggle.com | Enveda CASMI 2026 - Molecule ID From Mass Spectra [biology, chemistry, custom metric] | 15-09-2026 | 04:27 | 05:29 | Visit |
| wincentdragonbyte.com | DragonByte Coding Challenge 2026. Final Round | 18-09-2026 | 03:30 | 03:30 | Visit |
| ctftime.org | NullOrigin CTF Qualifiers | 18-09-2026 | 10:00 | 22:00 | Visit |
| ctftime.org | DefCamp Capture the Flag (D-CTF) 2026 Quals | 18-09-2026 | 15:30 | 15:30 | Visit |
atcoder.jp
|
AtCoder 企業対抗リーグ 2026 第2戦 | 18-09-2026 | 16:30 | 18:30 | Visit |
|
atcoder.jp
|
AtCoder 企業対抗リーグ 2026 第2戦(オープンコンテスト) | 18-09-2026 | 16:30 | 18:30 | Visit |
| ac.nowcoder.com | 牛客练习赛157 [ACM] | 18-09-2026 | 16:30 | 19:00 | Visit |
| ctftime.org | CSAW CTF Qualification Round 2026 | 18-09-2026 | 21:30 | 21:30 | Visit |
| basecamp.eolymp.com | BalkOI 2026 - Day 1 | 18-09-2026 | 21:30 | 02:30 | Visit |
codechef.com
|
Placement Prep Weekends - 08 | 19-09-2026 | 00:00 | 02:29 | Visit |
| ctftime.org | Haruulzangi CTF 2026 Semi-Final | 19-09-2026 | 07:30 | 13:30 | Visit |
| ctftime.org | Cyber League 2026 - Major | 19-09-2026 | 07:30 | 07:30 | Visit |
| ctftime.org | WATCHLIST | 19-09-2026 | 09:00 | 09:00 | Visit |
| ctftime.org | z0d1ak CTF Finals | 19-09-2026 | 09:00 | 18:00 | Visit |
| ctftime.org | OmniCTF 2026 Finals | 19-09-2026 | 11:30 | 21:30 | Visit |
| algoleague.com | algoleague Back to School 2026-2027 (unrated, icpc, individual) | 19-09-2026 | 16:30 | 20:30 | Visit |
| ctftime.org | 07CTF 2026 | 19-09-2026 | 17:30 | 17:30 | Visit |
|
atcoder.jp
|
JIJ Programming Contest 2026（AtCoder Beginner Contest 476） | 19-09-2026 | 17:30 | 19:10 | Visit |
| basecamp.eolymp.com | BalkOI 2026 - Day 2 | 19-09-2026 | 18:30 | 23:30 | Visit |
| kep.uz | KEP Contest #21. Rated | 19-09-2026 | 20:05 | 22:35 | Visit |
| projecteuler.net | Problem 1010 | 20-09-2026 | 00:30 | 00:30 | Visit |
leetcode.com
|
Weekly Contest 520 | 20-09-2026 | 08:00 | 09:30 | Visit |
| dl.gsu.by | Программирование - профессионалы (ком. 2026) | 20-09-2026 | 09:30 | 16:30 | Visit |
| ctftime.org | LUN4R CTF Quals | 20-09-2026 | 10:00 | 22:00 | Visit |
| basecamp.eolymp.com | Blitz Round #24 | 20-09-2026 | 15:30 | 16:30 | Visit |
| ac.nowcoder.com | 牛客周赛 Round 162 [IOI] | 20-09-2026 | 16:30 | 18:30 | Visit |
|
atcoder.jp
|
AtCoder Regular Contest++ 230 | 20-09-2026 | 17:30 | 20:00 | Visit |
| repovive.com | Repovive Premier Round 8 | 20-09-2026 | 20:35 | 23:05 | Visit |
| cups.online | Russian Olympiad in Artificial Intelligence 2026 [ai]. Qualifying round | 21-09-2026 | 12:30 | 02:29 | Visit |
|
codechef.com
|
Monday Munch - DSA Challenge 021 (Rated) | 21-09-2026 | 19:00 | 22:00 | Visit |
codeforces.com
|
Codeforces Round 1122 (Div. 3) | 21-09-2026 | 20:05 | 22:35 | Visit |
|
codechef.com
|
Starters 257 | 23-09-2026 | 20:00 | 22:00 | Visit |
| naukri.com/code360 | Weekly Contest 249 | 24-09-2026 | 20:31 | 22:31 | Visit |
| luogu.com.cn | 【LGR-302-Div.2】洛谷 9 月月赛 I & 月都异变调查 [rated, ioi] | 25-09-2026 | 10:30 | 15:30 | Visit |
| luogu.com.cn | 【LGR-302-Div.1】洛谷 9 月月赛 I & 月都异变调查 [rated, ioi] | 25-09-2026 | 10:30 | 15:30 | Visit |
|
atcoder.jp
|
ALGO ARTIS Programming Contest 2026 September（AtCoder Heuristic Contest 072） | 25-09-2026 | 15:30 | 15:30 | Visit |
| ac.nowcoder.com | 牛客挑战赛92 [ACM] | 25-09-2026 | 16:30 | 19:30 | Visit |
| ctftime.org | FlightPath2026 | 25-09-2026 | 19:00 | 02:30 | Visit |
| ctftime.org | BCS CTF 2026 | 25-09-2026 | 19:30 | 19:30 | Visit |
|
codeforces.com
|
Codeforces Round (Div. 2) | 25-09-2026 | 20:05 | 22:05 | Visit |
| ctftime.org | H7CTF 2026 Quals | 26-09-2026 | 09:00 | 21:00 | Visit |
| luogu.com.cn | EPXLQ 2026 Fall Round [rated, ioi] | 26-09-2026 | 12:00 | 15:00 | Visit |
| algoleague.com | Turkish Programming Contest'26 Qualification Round (unrated, icpc, team) | 26-09-2026 | 13:30 | 18:30 | Visit |
| ctftime.org | FAUST CTF 2026 | 26-09-2026 | 17:30 | 02:30 | Visit |
|
atcoder.jp
|
UNICORNProgramming Contest2026(AtCoder Beginner Contest 477) | 26-09-2026 | 17:30 | 19:10 | Visit |
| ctftime.org | SunshineCTF 2026 | 26-09-2026 | 19:30 | 19:30 | Visit |
|
leetcode.com
|
Biweekly Contest 192 | 26-09-2026 | 20:00 | 21:30 | Visit |
|
codeforces.com
|
Codeforces Round (Div. 1) | 26-09-2026 | 20:05 | 22:35 | Visit |
|
codeforces.com
|
Codeforces Round (Div. 2) | 26-09-2026 | 20:05 | 22:35 | Visit |
| projecteuler.net | Problem 1011 | 27-09-2026 | 03:30 | 03:30 | Visit |
|
leetcode.com
|
Weekly Contest 521 | 27-09-2026 | 08:00 | 09:30 | Visit |
| dl.gsu.by | Программирование - профессионалы (ком. 2026) | 27-09-2026 | 09:30 | 16:30 | Visit |
| algoleague.com | Algorithm Program 2026-2027 Fall Qualification Round🍁 (unrated, icpc, individual) | 27-09-2026 | 14:30 | 18:30 | Visit |
| ac.nowcoder.com | 牛客周赛 Round 163 [IOI] | 27-09-2026 | 16:30 | 18:30 | Visit |
| basecamp.eolymp.com | Weekend Practice #28 | 27-09-2026 | 16:30 | 18:30 | Visit |
| luogu.com.cn | 【LGR-306-Div.4】洛谷入门赛 #52 & 中秋赛 [rated, ioi] | 27-09-2026 | 16:30 | 18:30 | Visit |
|
atcoder.jp
|
AtCoder Grand Contest 078 | 27-09-2026 | 17:30 | 21:00 | Visit |
| repovive.com | Repovive Starter Round 9 | 27-09-2026 | 19:05 | 21:05 | Visit |
| ctftime.org | SCAN 2026 Final | 28-09-2026 | 06:30 | 13:30 | Visit |
| cups.online | Выходи решать!. Математика (5-7 класс) | 28-09-2026 | 11:30 | 02:29 | Visit |
| cups.online | Выходи решать!. Физика (5-7 класс) | 28-09-2026 | 11:30 | 02:29 | Visit |
| cups.online | Выходи решать!. Информатика (8-11 класс) | 28-09-2026 | 11:30 | 02:29 | Visit |
| cups.online | Выходи решать!. Биология (5-7 класс) | 28-09-2026 | 11:30 | 02:29 | Visit |
| cups.online | Выходи решать!. Астрономия (8-11 класс) | 28-09-2026 | 11:30 | 02:29 | Visit |
| cups.online | Выходи решать!. Химия (8-11 класс) | 28-09-2026 | 11:30 | 02:29 | Visit |
| cups.online | Выходи решать!. Физика (8-11 класс) | 28-09-2026 | 11:30 | 02:29 | Visit |
| cups.online | Выходи решать!. Математика (8-11 класс) | 28-09-2026 | 11:30 | 02:29 | Visit |
| cups.online | Выходи решать!. Биология (8-11 класс) | 28-09-2026 | 11:30 | 02:29 | Visit |
| cups.online | Хакатон «Формула выбора» 2026. Трек «Новички» | 28-09-2026 | 11:30 | 02:29 | Visit |
| cups.online | Хакатон «Формула выбора» 2026. Трек «Продвинутые» | 28-09-2026 | 11:30 | 02:29 | Visit |
| cups.online | Хакатон «Формула выбора» 2026. Трек «СПО» | 28-09-2026 | 11:30 | 02:29 | Visit |
| ctftime.org | CSS CTF 2026: Return of Nexus | 30-09-2026 | 11:30 | 03:30 | Visit |
|
codechef.com
|
Starters 258 | 30-09-2026 | 20:00 | 22:00 | Visit |
| naukri.com/code360 | Beginner Contest 122 | 30-09-2026 | 21:00 | 22:31 | Visit |
| ac.nowcoder.com | 2026牛客国庆集训派对day1 [ACM] | 01-10-2026 | 09:30 | 14:30 | Visit |
| luogu.com.cn | 【LGR-303-Div.2】洛谷 10 月月赛 I &「WWOI」Round 4 [rated, ioi] | 01-10-2026 | 11:30 | 15:30 | Visit |
| ac.nowcoder.com | 2026牛客国庆集训派对day2 [ACM] | 02-10-2026 | 09:30 | 14:30 | Visit |
| luogu.com.cn | 「FAOI」Round 15 [guzhi, icpc, squad] | 02-10-2026 | 11:00 | 16:00 | Visit |
| ctftime.org | Hacker's Gambit 2026 (Round 1 – Online Qualifier) | 02-10-2026 | 12:00 | 12:00 | Visit |
| ac.nowcoder.com | 2026牛客国庆集训派对day3 [ACM] | 03-10-2026 | 09:30 | 14:30 | Visit |
| algoleague.com | Turkish Programming Contest'26 Qualification Round - For High Schools (unrated, icpc, individual) | 03-10-2026 | 13:30 | 18:30 | Visit |
| ctftime.org | Securinets CTF Quals 2026 | 03-10-2026 | 14:30 | 02:30 | Visit |
| algoleague.com | ALPOC'26 - Qualification Round (unrated, icpc, team) | 03-10-2026 | 14:30 | 02:30 | Visit |
|
atcoder.jp
|
AtCoder Beginner Contest 478 | 03-10-2026 | 17:30 | 19:10 | Visit |
| ctftime.org | CubeCTF 2026 | 03-10-2026 | 19:30 | 03:30 | Visit |
| kattis.com | ICPC North America Qualifier 2026 | 03-10-2026 | 23:30 | 04:30 | Visit |
| luogu.com.cn | 【LGR-305-Div.3】洛谷基础赛 #40 & OvOI Round 3 [rated, ioi] | 04-10-2026 | 06:00 | 09:30 | Visit |
| projecteuler.net | Problem 1012 | 04-10-2026 | 06:30 | 06:30 | Visit |
|
atcoder.jp
|
組合せゲーム 24 題 | 04-10-2026 | 09:30 | 14:30 | Visit |
| dl.gsu.by | Программирование - профессионалы (ком. 2026) | 04-10-2026 | 09:30 | 16:30 | Visit |
| luogu.com.cn | 【LGR-304-Div.2】洛谷 10 月月赛 II & CZOI Round 8 [rated, ioi] | 04-10-2026 | 11:30 | 15:30 | Visit |
|
atcoder.jp
|
AtCoder Regular Contest 231 | 04-10-2026 | 17:30 | 19:30 | Visit |
| repovive.com | Repovive Standard Round 8 | 04-10-2026 | 20:15 | 22:15 | Visit |
|
atcoder.jp
|
AtCoder Regular Contest++ 232 | 10-10-2026 | 17:30 | 20:00 | Visit |
|
codeforces.com
|
Codeforces Round (Div. 1) | 10-10-2026 | 20:35 | 23:35 | Visit |
|
codeforces.com
|
Codeforces Round (Div. 2) | 10-10-2026 | 20:35 | 23:35 | Visit |
| dl.gsu.by | Программирование - профессионалы (ком. 2026) | 11-10-2026 | 09:30 | 16:30 | Visit |
|
atcoder.jp
|
bogosort Programming Contest (Div. 1) | 11-10-2026 | 09:30 | 14:30 | Visit |
|
atcoder.jp
|
bogosort Programming Contest (Div. 2) | 11-10-2026 | 09:30 | 14:30 | Visit |
|
atcoder.jp
|
AtCoder Beginner Contest 479 | 11-10-2026 | 17:30 | 19:10 | Visit |
| repovive.com | Repovive Premier Round 9 | 11-10-2026 | 20:05 | 22:35 | Visit |
|
codeforces.com
|
Codeforces Round (Div. 1) | 12-10-2026 | 00:05 | 02:35 | Visit |
|
codeforces.com
|
Codeforces Round (Div. 2) | 12-10-2026 | 00:05 | 02:35 | Visit |
|
atcoder.jp
|
12-10-2026 | 09:30 | 14:30 | Visit | |
| cups.online | Russian Olympiad in Artificial Intelligence 2026 [ai]. Main stage, non-proctored round | 14-10-2026 | 12:30 | 02:29 | Visit |
|
codeforces.com
|
Codeforces Round (Div. 1 + Div. 2) | 17-10-2026 | 20:05 | 23:05 | Visit |
| dl.gsu.by | Программирование - профессионалы (ком. 2026) | 18-10-2026 | 09:30 | 16:30 | Visit |
| cups.online | Russian Olympiad in Artificial Intelligence 2026 [ai]. Main stage, proctored round | 18-10-2026 | 12:30 | 14:30 | Visit |
| codingcontest.org | Cloudflight Coding Contest #school | 23-10-2026 | 13:30 | 15:30 | Visit |
| codingcontest.org | Cloudflight Coding Contest #data/ai | 23-10-2026 | 18:30 | 22:30 | Visit |
| codingcontest.org | Cloudflight Coding Contest #classic | 23-10-2026 | 18:30 | 22:30 | Visit |
| dl.gsu.by | Программирование - профессионалы (ком. 2026) | 25-10-2026 | 09:30 | 16:30 | Visit |
| dl.gsu.by | Программирование - профессионалы (ком. 2026) | 01-11-2026 | 09:30 | 16:30 | Visit |
| dl.gsu.by | Программирование - начинающие 2026-2027 | 05-11-2026 | 16:50 | 21:50 | Visit |
| dl.gsu.by | Программирование - профессионалы (ком. 2026) | 08-11-2026 | 09:30 | 16:30 | Visit |
| dl.gsu.by | Программирование - профессионалы (ком. 2026) | 15-11-2026 | 09:30 | 16:30 | Visit |
| cups.online | Russian Olympiad in Artificial Intelligence 2026 [ai]. Trial round of the final stage | 16-11-2026 | 20:30 | 22:30 | Visit |
| cups.online | Russian Olympiad in Artificial Intelligence 2026 [ai]. Final stage: individual round | 17-11-2026 | 12:30 | 20:30 | Visit |
| cups.online | Russian Olympiad in Artificial Intelligence 2026 [ai]. Final stage: team round | 19-11-2026 | 12:30 | 22:30 | Visit |
| dl.gsu.by | Программирование - профессионалы (лич. 2026-2027) | 10-12-2026 | 07:30 | 12:30 | Visit |
| dl.gsu.by | Программирование - начинающие 2026-2027 | 14-01-2027 | 07:30 | 12:30 | Visit |
| dl.gsu.by | Программирование - начинающие 2026-2027 | 25-03-2027 | 07:30 | 12:30 | Visit |
| dl.gsu.by | Программирование - профессионалы (лич. 2026-2027) | 29-04-2027 | 07:30 | 12:30 | Visit |
AtCoder 企業対抗リーグ 2026 第2戦
18-09-2026 | 16:30 - 18:30
AtCoder 企業対抗リーグ 2026 第2戦(オープンコンテスト)
18-09-2026 | 16:30 - 18:30
Placement Prep Weekends - 08
19-09-2026 | 00:00 - 02:29
JIJ Programming Contest 2026（AtCoder Beginner Contest 476）
19-09-2026 | 17:30 - 19:10
Weekly Contest 520
20-09-2026 | 08:00 - 09:30
AtCoder Regular Contest++ 230
20-09-2026 | 17:30 - 20:00
Monday Munch - DSA Challenge 021 (Rated)
21-09-2026 | 19:00 - 22:00
Codeforces Round 1122 (Div. 3)
21-09-2026 | 20:05 - 22:35
Starters 257
23-09-2026 | 20:00 - 22:00
ALGO ARTIS Programming Contest 2026 September（AtCoder Heuristic Contest 072）
25-09-2026 | 15:30 - 15:30
Codeforces Round (Div. 2)
25-09-2026 | 20:05 - 22:05
UNICORNProgramming Contest2026(AtCoder Beginner Contest 477)
26-09-2026 | 17:30 - 19:10
Biweekly Contest 192
26-09-2026 | 20:00 - 21:30
Codeforces Round (Div. 1)
26-09-2026 | 20:05 - 22:35
Codeforces Round (Div. 2)
26-09-2026 | 20:05 - 22:35
Weekly Contest 521
27-09-2026 | 08:00 - 09:30
AtCoder Grand Contest 078
27-09-2026 | 17:30 - 21:00
Starters 258
30-09-2026 | 20:00 - 22:00
AtCoder Beginner Contest 478
03-10-2026 | 17:30 - 19:10
組合せゲーム 24 題
04-10-2026 | 09:30 - 14:30
AtCoder Regular Contest 231
04-10-2026 | 17:30 - 19:30
AtCoder Regular Contest++ 232
10-10-2026 | 17:30 - 20:00
Codeforces Round (Div. 1)
10-10-2026 | 20:35 - 23:35
Codeforces Round (Div. 2)
10-10-2026 | 20:35 - 23:35
bogosort Programming Contest (Div. 1)
11-10-2026 | 09:30 - 14:30
bogosort Programming Contest (Div. 2)
11-10-2026 | 09:30 - 14:30
AtCoder Beginner Contest 479
11-10-2026 | 17:30 - 19:10
Codeforces Round (Div. 1)
12-10-2026 | 00:05 - 02:35
Codeforces Round (Div. 2)
12-10-2026 | 00:05 - 02:35
12-10-2026 | 09:30 - 14:30
Codeforces Round (Div. 1 + Div. 2)
17-10-2026 | 20:05 - 23:05