04.06 Wed 16:30 0:12:25 02:00 Starters 189 (Rated till 5 star)
codechef.com
04.06 Wed 23:59 7 hours 91 days BYU - Locating Bacterial Flagellar Motors 2025 [biology, computer vision, image, ob…ject detection, custom metric] 10 
kaggle.com
05.06 Thu 23:59 31 hours 87 days BirdCLEF+ 2025 [earth and nature, animals, multilabel classification, audio event …classification, custom metric]
kaggle.com
29.06 Sun 23:59 25 days 45 days OpenAI to Z Challenge [brazil, south america, geospatial analysis, c…omputer vision, deep learning]
kaggle.com
30.06 Mon 23:59 26 days 29 days Predicting Optimal Fertilizers [beginner, tabular, map@{k}]
kaggle.com
30.06 Mon 23:59 26 days 83 days Yale/UNC-CH - Geophysical Waveform Inversion [physics, signal pr…ocessing, mean absolute error]
kaggle.com
09.07 Wed 23:59 35 days 209 days Konwinski Prize [computer science, custom metric]
kaggle.com
12.07 Sat 23:59 38 days 271 days Jane Street Real-Time Market Data Forecasting [finance, tabul…ar, regression, custom metric]
kaggle.com
21.07 Mon 23:59 47 days 53 days Meta Kaggle Hackathon [tabular, text]
kaggle.com
02.09 Tue 23:59 90 days 95 days CMI - Detect Behavior with Sensor Data [health, time s…eries analysis, custom metric]
kaggle.com
24.09 Wed 23:59 112 days 209 days Stanford RNA 3D Folding [video games, biology, chemistry, biotechnolo…gy, regression, custom metric]
kaggle.com
03.11 Mon 23:59 152 days 222 days ARC Prize 2025 [artificial intelligence, custom metric]
kaggle.com
07.06 Sat 21:00 3 days 03:00 Mirror Infinity ediția a III-a, clasa a V-a 3 
kilonova.ro
07.06 Sat 21:00 3 days 03:00 Mirror Infinity ediția a III-a, clasa a VI-a
kilonova.ro
07.06 Sat 21:00 3 days 03:00 Mirror Infinity ediția a III-a, clasa a VII-a
kilonova.ro
07.06 Sat 21:00 3 days 03:00 Mirror Infinity ediția a III-a, clasa a VIII-a
kilonova.ro
09.06 Mon 10:00 5 days 10 days MC Digital Programming Contest 2025 (…AtCoder Heuristic Contest 048)
atcoder.jp
10.06 Tue 20:59 6 days 8 days Буткемп Летово x VK. Буткемп Летово x VK 1 
cups.online
21.12 Sun 07:00 200 days 360 days Technocup 2025-2026 [sport_coding]. Introductory round
cups.online
13.06 Fri 22:00 9 days 69 days Коледж 2024-2025 - Оптимізації динамічного програмування 5 
algotester.com
19.06 Thu 06:50 15 days 69 days Коледж 2024-2025 - Потік в мережі
algotester.com
26.06 Thu 21:30 22 days 69 days Коледж 2024-2025 - Теорія ймовірностей
algotester.com
17.07 Thu 03:40 42 days 69 days Коледж 2024-2025 - Дерево відрізк…ів з модифікаціями на проміжку
algotester.com
24.07 Thu 21:40 50 days 69 days Коледж 2024-2025 - Суфіксне дерево
algotester.com
31.12 Wed 22:00 210 days 6 years HOT • Practice
algotester.com
14.06 Sat 04:00 9 days 04:00 2025 Canadian Computing Olympiad - Day 1 Mirror 3 
dmoj.ca
14.06 Sat 04:00 9 days 04:00 2025 Canadian Computing Olympiad - Day 2 Mirror
dmoj.ca
14.06 Sat 04:00 9 days 04:00 2025 Canadian Informatics Workshop - Day 1 Mirror
dmoj.ca
14.06 Sat 04:00 9 days 04:00 2025 Canadian Informatics Workshop - Day 2 Mirror
dmoj.ca
21.06 Sat 15:00 17 days 90 days Magic Hexagons 1 
azspcs.com
21.06 Sat 15:00 17 days 126 days Nearly Magic Hexagons
azspcs.com
30.06 Mon 15:00 26 days 48 days ICPC AlgoQueen 2025 Practice Contest
codedrills.io
12.07 Sat 00:00 37 days 150 days ED2025S1 2 
spoj.com
13.07 Sun 00:00 38 days 151 days ADS25S1
spoj.com
01.01 Thu 00:00 210 days 3 years TCP_Maratona
spoj.com
24.08 Sun 09:57 81 days 730 days Binary Search Contest 2 
naukri.com/code360
13.10 Mon 08:00 131 days 731 days Array Contest
naukri.com/code360
13.10 Mon 08:00 131 days 731 days DP Contest
naukri.com/code360
05.06 Thu 14:30 22 hours 02:00 Weekly Contest 181 1 
naukri.com/code360
11.06 Wed 15:30 7 days 01:30 Beginner Contest 88
naukri.com/code360
06.06 Fri 11:00 42 hours 02:30 牛客练习赛140 [ACM] 3 
ac.nowcoder.com
08.06 Sun 11:00 4 days 02:00 牛客周赛 Round 95 [IOI]
ac.nowcoder.com
13.06 Fri 11:00 9 days 02:00 牛客小白月赛118 [ACM]
ac.nowcoder.com
15.07 Tue 04:00 40 days 05:00 2025牛客暑期多校训练营1 [ACM]
ac.nowcoder.com
06.06 Fri 18:30 50 hours 24:00 Weekend Dev Challenge 01 4 
codechef.com
11.06 Wed 14:30 7 days 02:00 Starters 190
codechef.com
18.06 Wed 14:30 14 days 02:00 Starters 191
codechef.com
25.06 Wed 14:30 21 days 02:00 Starters 192
codechef.com
02.07 Wed 14:30 28 days 02:00 Starters 193
codechef.com
06.06 Fri 21:00 52 hours 09:00 MindBreak 2025 by ESGI 44 
ctftime.org
07.06 Sat 03:00 58 hours 24:00 DIVER OSINT CTF 2025
ctftime.org
07.06 Sat 05:30 3 days 36:00 bi0sCTF 2025 [POSTPONED]
ctftime.org
07.06 Sat 13:00 3 days 32:00 Goldrush Gauntlet 2025
ctftime.org
07.06 Sat 16:30 3 days 04:00 DFIR Labs CTF by The DFIR Report
ctftime.org
13.06 Fri 20:00 9 days 22:00 AMSI CTF 2025
ctftime.org
14.06 Sat 00:00 9 days 48:00 smileyCTF 2025
ctftime.org
14.06 Sat 06:00 10 days 24:00 Crypto CTF 2025
ctftime.org
14.06 Sat 10:00 10 days 24:00 Midnight Sun CTF 2025 Finals
ctftime.org
14.06 Sat 13:00 10 days 34:00 CyberSci Nationals 2025
ctftime.org
20.06 Fri 10:00 16 days 36:00 GPN CTF 2025
ctftime.org
21.06 Sat 06:00 17 days 24:00 GMO Cybersecurity Contest - IERAE CTF 2025
ctftime.org
21.06 Sat 07:00 17 days 24:00 MaltaCTF 2025 Quals
ctftime.org
21.06 Sat 12:00 17 days 24:00 cornCTF 2025
ctftime.org
27.06 Fri 18:00 23 days 48:00 Google Capture The Flag 2025
ctftime.org
28.06 Sat 10:00 24 days 24:00 BSides Mumbai CTF 2025
ctftime.org
05.07 Sat 02:00 30 days 48:00 R3CTF 2025
ctftime.org
11.07 Fri 17:00 37 days 48:00 L3akCTF 2025
ctftime.org
12.07 Sat 00:00 37 days 48:00 UIUCTF 2025
ctftime.org
18.07 Fri 09:30 44 days 48:00 DownUnderCTF 2025
ctftime.org
20.07 Sun 15:00 46 days 24:00 BDSec CTF 2025
ctftime.org
25.07 Fri 22:00 51 days 48:00 DeadSec CTF 2025
ctftime.org
26.07 Sat 12:00 52 days 48:00 World Wide CTF 2025
ctftime.org
02.08 Sat 00:00 58 days 48:00 idekCTF 2025
ctftime.org
02.08 Sat 06:00 59 days 37:00 justCTF 2025 teaser
ctftime.org
08.08 Fri 14:00 65 days 4 days GaianSpace CTF 2025
ctftime.org
08.08 Fri 16:00 65 days 72:00 WHY2025 CTF
ctftime.org
15.08 Fri 20:00 72 days 72:00 jailCTF 2025
ctftime.org
16.08 Sat 01:00 72 days 48:00 SekaiCTF 2025
ctftime.org
20.08 Wed 10:00 77 days 48:00 RCTF 2025
ctftime.org
22.08 Fri 14:00 79 days 48:00 HITCON CTF 2025
ctftime.org
29.08 Fri 16:00 86 days 48:00 NNS CTF 2025
ctftime.org
30.08 Sat 00:00 86 days 48:00 corCTF 2025
ctftime.org
06.09 Sat 14:00 94 days 24:00 ASIS CTF Quals 2025
ctftime.org
13.09 Sat 10:00 101 days 24:00 MaltaCTF 2025 Finals
ctftime.org
19.09 Fri 21:00 107 days 48:00 CrewCTF 2025
ctftime.org
26.09 Fri 13:00 114 days 30:00 Iran Tech Olympics CTF 2025
ctftime.org
27.09 Sat 12:00 115 days 09:00 FAUST CTF 2025
ctftime.org
08.11 Sat 09:00 157 days 10:00 Equinor CTF 2025
ctftime.org
15.11 Sat 12:00 164 days 24:00 Platypwn 2025
ctftime.org
22.11 Sat 18:00 171 days 24:00 GlacierCTF 2025
ctftime.org
29.11 Sat 08:00 178 days 08:00 WP CTF 2025
ctftime.org
27.12 Sat 14:00 206 days 24:00 ASIS CTF Final 2025
ctftime.org
31.01 Sat 08:00 241 days 24:00 PascalCTF Beginners 2026
ctftime.org
11.04 Sat 10:00 311 days 24:00 Midnight Sun CTF 2026 Quals
ctftime.org
07.06 Sat 00:00 55 hours 24:00 Midnight Code Cup. Finals
midnightcodecup.org
07.06 Sat 02:00 57 hours 01:40 Algo Beat Contest 002 [ioi] 1 
luogu.com.cn
07.06 Sat 06:00 3 days 04:00 【LGR-229-Div.2】桃李未来 6 月月赛 I & GMSK - 01 [rated, ioi]
luogu.com.cn
07.06 Sat 09:30 3 days 02:00 ICPC Algo Queen 2025 - Practice Contest 2 1 
codedrills.io
28.06 Sat 09:30 24 days 02:00 ICPC Algo Queen 2025
codedrills.io
07.06 Sat 12:00 3 days 01:40 AtCoder Beginner Contest 409 9 
atcoder.jp
14.06 Sat 12:00 10 days 01:40 AtCoder Beginner Contest 410
atcoder.jp
15.06 Sun 12:00 11 days 02:00 AtCoder Regular Contest 200 (Div. 2)
atcoder.jp
20.06 Fri 11:00 16 days 02:00 AtCoder 創立13周年記念 企業対抗 Team Battle
atcoder.jp?lang=ja
21.06 Sat 12:00 17 days 01:40 UNIQUE VISION Programming Contest 2025 Summer …(AtCoder Beginner Contest 411)
atcoder.jp
22.06 Sun 12:00 18 days 02:00 AtCoder Regular Contest 201
atcoder.jp
28.06 Sat 12:00 24 days 01:40 AtCoder Beginner Contest 412
atcoder.jp
05.07 Sat 12:00 31 days 01:40 Denso Create Programming Contest 2025…（AtCoder Beginner Contest 413）
atcoder.jp
17.07 Thu 03:00 42 days 05:00 World Tour Finals 2025 Algorithm
atcoder.jp
17.07 Thu 03:00 42 days 05:00 World Tour Finals 2025 Algorithm（Open Contest）
atcoder.jp
07.06 Sat 13:00 3 days 02:00 Weekend Practice #7
basecamp.eolymp.com
07.06 Sat 14:30 3 days 01:30 Biweekly Contest 158 5 
leetcode.com
08.06 Sun 02:30 3 days 01:30 Weekly Contest 453
leetcode.com
15.06 Sun 02:30 10 days 01:30 Weekly Contest 454
leetcode.com
21.06 Sat 14:30 17 days 01:30 Biweekly Contest 159
leetcode.com
22.06 Sun 02:30 17 days 01:30 Weekly Contest 455
leetcode.com
05.07 Sat 14:30 31 days 01:30 Biweekly Contest 160
leetcode.com
07.06 Sat 16:00 3 days 00:00 Problem 948 1 
projecteuler.net
07.06 Sat 16:00 3 days 00:00 Problem 949
projecteuler.net
08.06 Sun 14:35 4 days 02:15 Codeforces Round 1029 (Div. 3) 3 
codeforces.com
12.06 Thu 14:35 8 days 02:00 Codeforces Round (Div. 2)
codeforces.com
15.06 Sun 09:05 11 days 02:00 Codeforces Round (Div. 2)
codeforces.com
23.06 Mon 14:35 19 days 02:00 Educational Codeforces Round 180 (Rated for Div. 2)
codeforces.com
08.06 Sun 16:00 4 days 02:00 The Algo Battles 2025 - Етап 3
algotester.com
18.06 Wed 17:00 14 days 7 days Marathon Match 162
topcoder.com
21.06 Sat 07:00 17 days 04:00 McProiect - Day 1 1 
kilonova.ro
22.06 Sun 07:00 18 days 04:00 McProiect - Day 2
kilonova.ro
14.07 Mon 12:00 40 days 04:00 EGOI (Germany)
usaco.org
21.08 Thu 14:30 78 days 02:30 Job-A-thon 46 Hiring Challenge
geeksforgeeks.org
28.09 Sun 07:00 116 days 13:59 Выходи решать [design]. Астрономия 5 
cups.online
28.09 Sun 07:00 116 days 13:59 Выходи решать [design]. Биология
cups.online
28.09 Sun 07:00 116 days 13:59 Выходи решать [design]. Информатика
cups.online
28.09 Sun 07:00 116 days 13:59 Выходи решать [design]. Математика
cups.online
28.09 Sun 07:00 116 days 13:59 Выходи решать [design]. Физика
cups.online
28.09 Sun 07:00 116 days 13:59 Выходи решать [design]. Химия
cups.online
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