CTFtime.org

CTF Events

NameDateFormatLocationWeightNotes
ASIS CTF Final 202527 Dec., 14:00 UTC — 28 Dec. 2025, 14:00 UTCJeopardy On-line 100.0013 teams will participate
GlacierCTF 202522 Nov., 18:00 UTC — 23 Nov. 2025, 18:00 UTCJeopardy On-line 52.571 teams will participate
Platypwn 202515 Nov., 12:00 UTC — 16 Nov. 2025, 12:00 UTCJeopardy On-line 33.292 teams will participate
Equinor CTF 202508 Nov., 09:00 UTC — 08 Nov. 2025, 19:00 UTCJeopardy Norway, Oslo 37.001 teams will participate
CrewCTF 202519 Sept., 21:00 UTC — 21 Sept. 2025, 21:00 UTCJeopardy On-line 38.932 teams will participate
ASIS CTF Quals 202506 Sept., 14:00 UTC — 07 Sept. 2025, 14:00 UTCJeopardy On-line 0.0014 teams will participate
NNS CTF 202529 Aug., 16:00 UTC — 31 Aug. 2025, 16:00 UTCJeopardy On-line 0.004 teams will participate
SekaiCTF 202523 Aug., 01:00 UTC — 25 Aug. 2025, 01:00 UTCJeopardy On-line 55.007 teams will participate
jailCTF 202515 Aug., 20:00 UTC — 18 Aug. 2025, 20:00 UTCJeopardy On-line 24.880 teams will participate
WHY2025 CTF08 Aug., 16:00 UTC — 11 Aug. 2025, 16:00 UTCJeopardy On-line 0.000 teams will participate
GaianSpace CTF 202508 Aug., 14:00 UTC — 12 Aug. 2025, 14:00 UTCJeopardy On-line 0.000 teams will participate
DeadSec CTF 202525 July, 22:00 UTC — 27 July 2025, 22:00 UTCJeopardy On-line 31.290 teams will participate
DownUnderCTF 202518 July, 09:30 UTC — 20 July 2025, 09:30 UTCJeopardy On-line 91.6639 teams will participate
L3akCTF 202511 July, 17:00 UTC — 13 July 2025, 17:00 UTCJeopardy On-line 24.4321 teams will participate
R3CTF 202505 July, 02:00 UTC — 07 July 2025, 02:00 UTCJeopardy On-line 24.501 teams will participate
GMO Cybersecurity Contest - IERAE CTF 202528 June, 06:00 UTC — 29 June 2025, 06:00 UTCJeopardy On-line 25.003 teams will participate
Google Capture The Flag 202520 June, 18:00 UTC — 22 June 2025, 18:00 UTCJeopardy On-line 97.1714 teams will participate
GPN CTF 202520 June, 10:00 UTC — 21 June 2025, 22:00 UTCJeopardy On-line 46.000 teams will participate
CyberSci Nationals 202514 June, 13:00 UTC — 15 June 2025, 23:00 UTCJeopardy Ottawa, Canada 25.000 teams will participate
Crypto CTF 202514 June, 06:00 UTC — 15 June 2025, 06:00 UTCJeopardy On-line 88.2520 teams will participate
Goldrush Gauntlet 202507 June, 13:00 UTC — 08 June 2025, 21:00 UTCJeopardy United States, Dahloenga 0.000 teams will participate
DIVER OSINT CTF 202507 June, 03:00 UTC — 08 June 2025, 03:00 UTCJeopardy On-line 0.000 teams will participate
Season V, US Cyber Open Beginner's Game Room CTF06 June, 21:30 UTC — 19 June 2025, 23:59 UTCJeopardy On-line 0Individual
smileyCTF 202506 June, 01:00 UTC — 08 June 2025, 01:00 UTCJeopardy On-line 48.613 teams will participate
Internet Festival 2025 CTF Quals31 May, 11:00 UTC — 01 June 2025, 11:00 UTCJeopardy On-line 0.000 teams will participate
N0PSctf31 May, 08:00 UTC — 01 June 2025, 20:00 UTCJeopardy On-line 24.3415 teams will participate
DaVinciCTF 202524 May, 10:00 UTC — 25 May 2025, 20:00 UTCJeopardy On-line 0.001 teams will participate
HACK'OSINT CTF - 202523 May, 19:00 UTC — 25 May 2025, 19:00 UTCJeopardy France 0.000 teams will participate
SAS CTF 2025 Quals17 May, 12:00 UTC — 18 May 2025, 12:00 UTCJeopardy On-line 20.7215 teams will participate
WhiteHats TrojanCTF 202517 May, 09:00 UTC — 17 May 2025, 21:00 UTCJeopardy Netherlands, Eindhoven 0.001 teams will participate
BYUCTF 202517 May, 02:00 UTC — 18 May 2025, 02:00 UTCJeopardy On-line 36.941 teams will participate
justCTF 2025 teaser10 May, 09:00 UTC — 11 May 2025, 09:00 UTCJeopardy On-line 97.202 teams will participate
DamCTF 202510 May, 00:00 UTC — 12 May 2025, 00:00 UTCJeopardy On-line 60.6722 teams will participate
LakeCTF Finals 24-2509 May, 08:00 UTC — 09 May 2025, 16:00 UTCJeopardy EPFL Lausanne 36.006 teams will participate
DevSecOps CTF 202504 May, 10:00 UTC — 04 May 2025, 22:00 UTCJeopardy On-line 37.000 teams will participate
UniVsThreats 25 CTF03 May, 10:00 UTC — 04 May 2025, 10:00 UTCJeopardy On-line 0.000 teams will participate
bi0sCTF 202503 May, 05:30 UTC — 04 May 2025, 17:30 UTCJeopardy On-line 95.792 teams will participate
ICCSDFAI29 April, 11:00 UTC — 30 April 2025, 17:00 UTCJeopardy Astana, Kazakhstan 0.004 teams will participate
AlpacaHack Round 11 (Web)27 April, 03:00 UTC — 27 April 2025, 09:00 UTCJeopardy On-line 0Individual
HACKTHEON SEJONG 2025 Preliminaries26 April, 00:00 UTC — 26 April 2025, 09:00 UTCJeopardy On-line 0.001 teams will participate
BSidesSF 2025 CTF25 April, 23:00 UTC — 27 April 2025, 23:00 UTCJeopardy On-line 0.003 teams will participate
UMDCTF 202525 April, 22:00 UTC — 27 April 2025, 22:00 UTCJeopardy On-line 70.8621 teams will participate
Midnight Sun CTF 2025 Quals19 April, 12:00 UTC — 20 April 2025, 12:00 UTCJeopardy On-line 53.0018 teams will participate
T-CTF 202519 April, 06:00 UTC — 20 April 2025, 18:00 UTCJeopardy On-line 0.0011 teams will participate
b01lers CTF 202518 April, 23:00 UTC — 20 April 2025, 23:00 UTCJeopardy On-line 44.504 teams will participate
CPCTF 202518 April, 20:00 UTC — 20 April 2025, 20:00 UTCJeopardy On-line 0.000 teams will participate
UMassCTF 202518 April, 18:00 UTC — 21 April 2025, 00:00 UTCJeopardy On-line 48.381 teams will participate
HackPack CTF 202518 April, 16:00 UTC — 19 April 2025, 15:59 UTCJeopardy On-line 0.000 teams will participate
DawgCTF 202518 April, 12:00 UTC — 20 April 2025, 12:00 UTCJeopardy On-line 69.008 teams will participate
Operation Cipher Shadows12 April, 17:00 UTC — 13 April 2025, 17:00 UTCJeopardy On-line 0.000 teams will participate
SummitCTF 202512 April, 14:00 UTC — 13 April 2025, 14:00 UTCJeopardy On-line 0.004 teams will participate
PwnMe CTF Finals 202512 April, 10:00 UTC — 12 April 2025, 20:00 UTCJeopardy Montigny-le-bretonneux 0.002 teams will participate
THCon 2K25 CTF12 April, 08:00 UTC — 12 April 2025, 08:00 UTCJeopardy On-line 23.657 teams will participate
Midnight Flag CTF - INSURRECTION12 April, 08:00 UTC — 13 April 2025, 16:00 UTCJeopardy0.004 teams will participate
DEF CON CTF Qualifier 202512 April, 00:00 UTC — 14 April 2025, 00:00 UTCJeopardy On-line 69.4456 teams will participate
Texas Security Awareness Week 202511 April, 19:00 UTC — 13 April 2025, 19:00 UTCJeopardy On-line 31.001 teams will participate
1753CTF 202511 April, 17:00 UTC — 12 April 2025, 17:00 UTCJeopardy On-line 34.8231 teams will participate
Dreamhack Invitational 202508 April, 00:00 UTC — 08 April 2025, 21:00 UTCJeopardy COEX, Seoul, South Korea 0Individual
Ulisse CTF 202505 April, 17:00 UTC — 06 April 2025, 17:00 UTCJeopardy On-line 0.003 teams will participate
Auvergn'Hack05 April, 12:45 UTC — 05 April 2025, 19:00 UTCJeopardy On-line 0.000 teams will participate
Moscow CTF School 202505 April, 10:00 UTC — 05 April 2025, 18:00 UTCJeopardy On-line 0.001 teams will participate
Breach CTF 202505 April, 02:30 UTC — 06 April 2025, 02:30 UTCJeopardy On-line 0.0023 teams will participate
squ1rrel CTF 202504 April, 23:00 UTC — 06 April 2025, 17:00 UTCJeopardy On-line 24.256 teams will participate
PlaidCTF 202504 April, 21:00 UTC — 06 April 2025, 21:00 UTCJeopardy On-line 100.0097 teams will participate
Capture Point 5353 3.030 March, 18:00 UTC — 01 April 2025, 08:10 UTCJeopardy On-line 0.003 teams will participate
JerseyCTF V29 March, 19:00 UTC — 30 March 2025, 19:00 UTCJeopardy On-line 24.73*missing the scoreboard
CodeVinci Beginner CTF 202529 March, 13:00 UTC — 29 March 2025, 13:00 UTCJeopardy0*missing the scoreboard
SillyCTF 202529 March, 12:00 UTC — 30 March 2025, 00:00 UTCJeopardy On-line 0*
VolgaCTF 2025 Qualifier29 March, 12:00 UTC — 30 March 2025, 12:00 UTCJeopardy On-line 27.14*missing the scoreboard
Undutmaning 202529 March, 11:00 UTC — 29 March 2025, 19:00 UTCJeopardy On-line 24.50*
PolyPwnCTF 202529 March, 10:00 UTC — 30 March 2025, 20:00 UTCJeopardy Canada, Montréal 0.00missing the scoreboard
LBC2 202529 March, 09:00 UTC — 29 March 2025, 15:00 UTCJeopardy Towson, USA 0.00missing the scoreboard
Dreamhack CTF Season 7 Round #6 (Div. 2)29 March, 00:00 UTC — 29 March 2025, 15:00 UTCJeopardy On-line 0Individual
Codegate CTF 2025 Preliminary29 March, 00:00 UTC — 29 March 2025, 15:00 UTCJeopardy On-line 54.00*missing the scoreboard
TAMUctf 202528 March, 22:00 UTC — 30 March 2025, 22:00 UTCJeopardy On-line 56.66*missing the scoreboard
SwampCTF 202528 March, 21:00 UTC — 30 March 2025, 21:00 UTCJeopardy On-line 40.40*missing the scoreboard
DiceCTF 2025 Quals28 March, 21:00 UTC — 30 March 2025, 21:00 UTCJeopardy On-line 81.00*missing the scoreboard
HackDay 2025 - Finals28 March, 18:00 UTC — 29 March 2025, 18:00 UTCJeopardy ESIEE Paris, Noisy-le-Grand, FRANCE 0.00missing the scoreboard
UNbreakable International 2025 - Individual Phase28 March, 09:00 UTC — 28 March 2025, 10:00 UTCJeopardy On-line 0Individual
StealthCup28 March, 07:00 UTC — 28 March 2025, 15:00 UTCHack quest Vienna, Austria / Hybrid (Online) 0Individual
SibirCTF 202528 March, 03:15 UTC — 29 March 2025, 12:15 UTCAttack-Defense Russia, Tomsk 25.00missing the scoreboard
HICAThon 1.025 March, 03:00 UTC — 26 March 2025, 12:30 UTCJeopardy On-line 0*missing the scoreboard
AlpacaHack Round 10 (Pwn)23 March, 03:00 UTC — 23 March 2025, 09:00 UTCJeopardy On-line 0Individual
ZeroDays CTF 202522 March, 09:30 UTC — 22 March 2025, 17:00 UTCJeopardy Dublin, Ireland 25.00
FooBar CTF 202522 March, 06:30 UTC — 23 March 2025, 06:30 UTCJeopardy On-line 35.50
WolvCTF 202521 March, 23:00 UTC — 23 March 2025, 23:00 UTCJeopardy On-line 47.25*
RITSEC CTF 202521 March, 21:00 UTC — 23 March 2025, 21:00 UTCJeopardy On-line 34.14*
pingCTF 202521 March, 19:00 UTC — 23 March 2025, 19:00 UTCJeopardy On-line 32.50*
WHY2025 CTF Teaser21 March, 19:00 UTC — 23 March 2025, 19:00 UTCJeopardy On-line 0*missing the scoreboard
Cyber Apocalypse CTF 2025: Tales from Eldoria21 March, 13:00 UTC — 26 March 2025, 12:59 UTCJeopardy On-line 24.00*
DC509 CTF 202521 March, 00:00 UTC — 21 March 2025, 02:30 UTCJeopardy On-line 0.00missing the scoreboard
m0leCon CTF 202520 March, 16:00 UTC — 21 March 2025, 16:00 UTCJeopardy Italy, Torino 75.00
PascalCTF Beginners 202519 March, 15:00 UTC — 19 March 2025, 20:00 UTCJeopardy On-line 0.00missing the scoreboard
WatCTF W2515 March, 19:00 UTC — 16 March 2025, 19:00 UTCJeopardy On-line 24.42
Nowruz 140415 March, 13:30 UTC — 16 March 2025, 13:30 UTCJeopardy On-line 24.49
K!nd4SUS CTF 202515 March, 13:00 UTC — 16 March 2025, 13:00 UTCJeopardy On-line 18.91
@Hack 202515 March, 11:00 UTC — 16 March 2025, 11:00 UTCJeopardy Canada, Montreal 0.00
UTCTF 202514 March, 23:00 UTC — 16 March 2025, 23:00 UTCJeopardy On-line 67.21
Insomni'hack 202514 March, 17:00 UTC — 15 March 2025, 04:00 UTCJeopardy SwissTech Convention Center / Lausanne / Switzerland 24.14
AI vs Human CTF Challenge14 March, 15:00 UTC — 16 March 2025, 15:00 UTCJeopardy On-line 0.00
LiU CTF 202508 March, 17:15 UTC — 08 March 2025, 22:45 UTCJeopardy Sweden, Linköping 0.00missing the scoreboard
DFIR Labs CTF by The DFIR Report08 March, 16:00 UTC — 08 March 2025, 20:00 UTCJeopardy On-line 0Individual
Ugra CTF Quals 202508 March, 07:00 UTC — 09 March 2025, 19:00 UTCJeopardy On-line 32.59
TPCTF 202508 March, 01:00 UTC — 10 March 2025, 01:00 UTCJeopardy On-line 25.00
Dreamhack CTF Season 7 Round #5 (Div. 1)08 March, 00:00 UTC — 08 March 2025, 15:00 UTCJeopardy On-line 0Individual
KalmarCTF 202507 March, 17:00 UTC — 09 March 2025, 17:00 UTCJeopardy On-line 33.89
Pearl CTF07 March, 12:30 UTC — 08 March 2025, 12:30 UTCJeopardy On-line 33.81
VishwaCTF 202503 March, 10:30 UTC — 05 March 2025, 10:29 UTCJeopardy On-line 27.90
Winja CTF | Nullcon Goa 202502 March, 06:00 UTC — 02 March 2025, 11:00 UTCJeopardy On-line 13.00
CSCG 202501 March, 17:00 UTC — 01 May 2025, 16:00 UTCJeopardy On-line 0Individual
WEC CTF 202501 March, 11:30 UTC — 02 March 2025, 11:30 UTCJeopardy On-line 0.00missing the scoreboard
SECCON CTF 13 International Finals01 March, 01:00 UTC — 02 March 2025, 11:00 UTCJeopardy Tokyo, Japan 25.00
SECCON CTF 13 Domestic Finals01 March, 01:00 UTC — 02 March 2025, 11:00 UTCJeopardy Tokyo, Japan 25.00
PwnMe CTF Quals 202528 Feb., 20:00 UTC — 02 March 2025, 18:00 UTCJeopardy On-line 24.94
ApoorvCTF 202528 Feb., 15:30 UTC — 02 March 2025, 15:30 UTCJeopardy On-line 24.07
Bloom Clues CTF28 Feb., 09:30 UTC — 01 March 2025, 00:00 UTCJeopardy On-line 0.00missing the scoreboard
ACECTF 1.027 Feb., 06:30 UTC — 28 Feb. 2025, 06:30 UTCJeopardy On-line 22.63
TRX CTF 202522 Feb., 14:00 UTC — 23 Feb. 2025, 14:00 UTCJeopardy On-line 24.11
Kashi CTF 202522 Feb., 12:00 UTC — 23 Feb. 2025, 12:00 UTCJeopardy On-line 21.99
Dreamhack CTF Season 7 Round #4 (Div. 2)22 Feb., 00:00 UTC — 22 Feb. 2025, 15:00 UTCJeopardy On-line 0Individual
SAIBORG | Elite Hacking Competition | Edition #2 | 21/Feb/202521 Feb., 14:30 UTC — 21 Feb. 2025, 21:00 UTCHack quest Italy, Rome 0.00
ThunderCipher20 Feb., 07:30 UTC — 20 Feb. 2025, 13:30 UTCJeopardy On-line 0Individual
BroncoCTF 202515 Feb., 19:00 UTC — 16 Feb. 2025, 19:00 UTCJeopardy On-line 22.51
EHAX CTF 202515 Feb., 16:00 UTC — 16 Feb. 2025, 16:00 UTCJeopardy On-line 22.60
TheDeccanCTF08 Feb., 09:30 UTC — 09 Feb. 2025, 05:30 UTCJeopardy India, Hyderabad 0.00
LA CTF 202508 Feb., 04:00 UTC — 09 Feb. 2025, 22:00 UTCJeopardy On-line 36.70
Dreamhack Invitational Quals 202508 Feb., 00:00 UTC — 09 Feb. 2025, 00:00 UTCJeopardy On-line 0Individual
Pragyan CTF 202507 Feb., 12:30 UTC — 08 Feb. 2025, 18:30 UTCJeopardy On-line 0.00
BITSCTF 202507 Feb., 12:00 UTC — 09 Feb. 2025, 12:00 UTCJeopardy On-line 21.81
BearcatCTF 2025: World Tour01 Feb., 12:00 UTC — 02 Feb. 2025, 12:00 UTCJeopardy On-line 23.89
Nullcon Goa HackIM 2025 CTF01 Feb., 08:30 UTC — 02 Feb. 2025, 08:30 UTCJeopardy On-line 30.00
Dreamhack CTF Season 7 Round #3 (Div. 1)01 Feb., 00:00 UTC — 01 Feb. 2025, 15:00 UTCJeopardy On-line 0Individual
ECTF31 Jan., 11:00 UTC — 02 Feb. 2025, 11:00 UTCJeopardy On-line 0.00
ATC Winter Vibes Community CTF31 Jan., 07:00 UTC — 01 Feb. 2025, 07:00 UTCJeopardy On-line 0.00
AlpacaHack Round 9 (Crypto)26 Jan., 03:00 UTC — 26 Jan. 2025, 09:00 UTCJeopardy On-line 0Individual
Codefest CTF 202525 Jan., 12:30 UTC — 27 Jan. 2025, 00:30 UTCJeopardy On-line 23.98
Dreamhack CTF Season 7 Round #2 (Div. 2)25 Jan., 00:00 UTC — 25 Jan. 2025, 15:00 UTCJeopardy On-line 0Individual
HackDay 2025 - Qualifications24 Jan., 20:00 UTC — 26 Jan. 2025, 20:00 UTCJeopardy On-line 19.90
TUCTF 202424 Jan., 19:00 UTC — 26 Jan. 2025, 19:00 UTCJeopardy On-line 28.60
x3CTF 2025 (feat. mvm)24 Jan., 18:00 UTC — 26 Jan. 2025, 18:00 UTCJeopardy On-line 23.61
Remedy CTF 202524 Jan., 12:00 UTC — 26 Jan. 2025, 12:00 UTCJeopardy On-line 0.00missing the scoreboard
KnightCTF 202520 Jan., 15:00 UTC — 21 Jan. 2025, 15:00 UTCJeopardy On-line 18.78
HKCERT CTF 2024 (Final Round)20 Jan., 01:30 UTC — 21 Jan. 2025, 04:30 UTCAttack-Defense Hong Kong 0.00
Srdnlen CTF 202518 Jan., 18:00 UTC — 19 Jan. 2025, 18:00 UTCJeopardy On-line 32.28
2025 Embedded Capture the Flag15 Jan., 17:00 UTC — 16 April 2025, 16:00 UTCAttack-Defense On-line 0*missing the scoreboard
TSCCTF 202513 Jan., 02:00 UTC — 16 Jan. 2025, 02:00 UTCJeopardy On-line 0Individual
New Year CTF 202512 Jan., 17:00 UTC — 14 Jan. 2025, 17:00 UTCJeopardy On-line 23.13
Cyber League 2025 - Major11 Jan., 02:00 UTC — 12 Jan. 2025, 02:00 UTCJeopardy On-line 0.00missing the scoreboard
SUCTF 202511 Jan., 01:00 UTC — 13 Jan. 2025, 01:00 UTCJeopardy On-line 24.75
UofTCTF 202511 Jan., 00:00 UTC — 13 Jan. 2025, 00:00 UTCJeopardy On-line 23.90
Dreamhack CTF Season 7 Round #1 (Div. 1)11 Jan., 00:00 UTC — 11 Jan. 2025, 15:00 UTCJeopardy On-line 0Individual
GoIda CTF07 Jan., 00:00 UTC — 09 Jan. 2025, 23:59 UTCJeopardy On-line 0.00
IrisCTF 202504 Jan., 00:00 UTC — 06 Jan. 2025, 00:00 UTCJeopardy On-line 34.30