CTFtime.org

CTF Events

NameDateFormatLocationWeightNotes
ASIS CTF Final 202527 Dec., 14:00 UTC — 28 Dec. 2025, 14:00 UTCJeopardy On-line 100.008 teams will participate
Platypwn 202515 Nov., 12:00 UTC — 16 Nov. 2025, 12:00 UTCJeopardy On-line 33.290 teams will participate
ASIS CTF Quals 202506 Sept., 14:00 UTC — 07 Sept. 2025, 14:00 UTCJeopardy On-line 0.009 teams will participate
NNS CTF 202529 Aug., 16:00 UTC — 31 Aug. 2025, 16:00 UTCJeopardy On-line 0.001 teams will participate
DownUnderCTF 202518 July, 09:30 UTC — 20 July 2025, 09:30 UTCJeopardy On-line 91.6615 teams will participate
L3akCTF 202511 July, 17:00 UTC — 13 July 2025, 17:00 UTCJeopardy On-line 24.4312 teams will participate
GMO Cybersecurity Contest - IERAE CTF 202528 June, 06:00 UTC — 29 June 2025, 06:00 UTCJeopardy On-line 25.001 teams will participate
Crypto CTF 202514 June, 06:00 UTC — 15 June 2025, 06:00 UTCJeopardy On-line 88.2517 teams will participate
smileyCTF 202506 June, 01:00 UTC — 08 June 2025, 01:00 UTCJeopardy On-line 48.612 teams will participate
N0PSctf31 May, 08:00 UTC — 01 June 2025, 20:00 UTCJeopardy On-line 24.3411 teams will participate
SAS CTF 2025 Quals17 May, 12:00 UTC — 18 May 2025, 12:00 UTCJeopardy On-line 20.727 teams will participate
LakeCTF Finals 24-2509 May, 08:00 UTC — 09 May 2025, 16:00 UTCJeopardy EPFL Lausanne 36.005 teams will participate
ICCSDFAI29 April, 11:00 UTC — 30 April 2025, 17:00 UTCJeopardy Astana, Kazakhstan 0.002 teams will participate
UMDCTF 202525 April, 22:00 UTC — 27 April 2025, 22:00 UTCJeopardy On-line 70.8613 teams will participate
Midnight Sun CTF 2025 Quals19 April, 12:00 UTC — 20 April 2025, 12:00 UTCJeopardy On-line 53.0010 teams will participate
b01lers CTF 202518 April, 23:00 UTC — 20 April 2025, 23:00 UTCJeopardy On-line 44.500 teams will participate
DawgCTF 202518 April, 12:00 UTC — 20 April 2025, 12:00 UTCJeopardy On-line 69.003 teams will participate
SummitCTF 202512 April, 14:00 UTC — 13 April 2025, 14:00 UTCJeopardy On-line 0.002 teams will participate
PwnMe CTF Finals 202512 April, 10:00 UTC — 12 April 2025, 20:00 UTCJeopardy Montigny-le-bretonneux 0.001 teams will participate
THCon 2K25 CTF12 April, 08:00 UTC — 12 April 2025, 08:00 UTCJeopardy On-line 23.652 teams will participate
Midnight Flag CTF - INSURRECTION12 April, 08:00 UTC — 13 April 2025, 16:00 UTCJeopardy0.003 teams will participate
DEF CON CTF Qualifier 202512 April, 00:00 UTC — 14 April 2025, 00:00 UTCJeopardy On-line 69.4426 teams will participate
1753CTF 202511 April, 17:00 UTC — 12 April 2025, 17:00 UTCJeopardy On-line 34.8221 teams will participate
Dreamhack Invitational 202508 April, 00:00 UTC — 08 April 2025, 21:00 UTCJeopardy COEX, Seoul, South Korea 0Individual
Breach CTF 202505 April, 02:30 UTC — 06 April 2025, 02:30 UTCJeopardy On-line 0.007 teams will participate
DamCTF 202505 April, 00:00 UTC — 07 April 2025, 00:00 UTCJeopardy On-line 60.6711 teams will participate
PlaidCTF 202504 April, 21:00 UTC — 06 April 2025, 21:00 UTCJeopardy On-line 100.0044 teams will participate
JerseyCTF V29 March, 19:00 UTC — 30 March 2025, 19:00 UTCJeopardy On-line 24.738 teams will participate
SillyCTF 202529 March, 12:00 UTC — 30 March 2025, 00:00 UTCJeopardy On-line 0.004 teams will participate
VolgaCTF 2025 Qualifier29 March, 12:00 UTC — 30 March 2025, 12:00 UTCJeopardy On-line 0.009 teams will participate
Undutmaning 202529 March, 11:00 UTC — 29 March 2025, 19:00 UTCJeopardy On-line 24.502 teams will participate
Dreamhack CTF Season 7 Round #6 (Div. 2)29 March, 00:00 UTC — 29 March 2025, 15:00 UTCJeopardy On-line 0Individual
TAMUctf 202528 March, 22:00 UTC — 30 March 2025, 22:00 UTCJeopardy On-line 56.667 teams will participate
SpartanCTF 202528 March, 21:00 UTC — 30 March 2025, 21:00 UTCJeopardy On-line 0.0022 teams will participate
DiceCTF 2025 Quals28 March, 21:00 UTC — 30 March 2025, 21:00 UTCJeopardy On-line 0.00153 teams will participate
HackDay 2025 - Finals28 March, 18:00 UTC — 29 March 2025, 18:00 UTCJeopardy ESIEE Paris, Noisy-le-Grand, FRANCE 0.005 teams will participate
StealthCup28 March, 07:00 UTC — 28 March 2025, 15:00 UTCHack quest Vienna, Austria / Hybrid (Online) 0Individual
SwampCTF 202528 March, 00:21 UTC — 30 March 2025, 00:21 UTCJeopardy On-line 40.4030 teams will participate
ZeroDays CTF 202522 March, 09:30 UTC — 22 March 2025, 17:00 UTCJeopardy Dublin, Ireland 25.006 teams will participate
WolvCTF 202521 March, 23:00 UTC — 23 March 2025, 23:00 UTCJeopardy On-line 47.2526 teams will participate
RITSEC CTF 202521 March, 21:00 UTC — 23 March 2025, 21:00 UTCJeopardy On-line 34.147 teams will participate
pingCTF 202521 March, 19:00 UTC — 23 March 2025, 19:00 UTCJeopardy On-line 32.5010 teams will participate
WHY2025 CTF Teaser21 March, 19:00 UTC — 23 March 2025, 19:00 UTCJeopardy On-line 0.002 teams will participate
Cyber Apocalypse CTF 2025: Tales from Eldoria21 March, 13:00 UTC — 26 March 2025, 12:59 UTCJeopardy On-line 24.0038 teams will participate
PascalCTF Beginners 202519 March, 15:00 UTC — 19 March 2025, 20:00 UTCJeopardy On-line 0.0014 teams will participate
Nowruz 140415 March, 13:30 UTC — 16 March 2025, 13:30 UTCJeopardy On-line 0.003 teams will participate
K!nd4SUS CTF 202515 March, 13:00 UTC — 16 March 2025, 13:00 UTCJeopardy On-line 0.003 teams will participate
@Hack 202515 March, 11:00 UTC — 16 March 2025, 11:00 UTCJeopardy Canada, Montreal 0.005 teams will participate
UTCTF 202514 March, 23:00 UTC — 16 March 2025, 23:00 UTCJeopardy On-line 67.2128 teams will participate
Insomni'hack 202514 March, 17:00 UTC — 15 March 2025, 04:00 UTCJeopardy SwissTech Convention Center / Lausanne / Switzerland 0.0017 teams will participate
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 32.5931 teams will participate
TPCTF 202508 March, 01:00 UTC — 10 March 2025, 01:00 UTCJeopardy On-line 25.0065 teams will participate
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 33.89132 teams will participate
Pearl CTF07 March, 12:30 UTC — 08 March 2025, 12:30 UTCJeopardy On-line 33.81144 teams will participate
VishwaCTF 202503 March, 10:30 UTC — 05 March 2025, 10:29 UTCJeopardy On-line 27.90*missing the scoreboard
Winja CTF | Nullcon Goa 202502 March, 06:00 UTC — 02 March 2025, 11:00 UTCJeopardy On-line 13.00*missing the scoreboard
CSCG 202501 March, 17:00 UTC — 01 May 2025, 16:00 UTCJeopardy On-line 0Individual
SECCON CTF 13 International Finals01 March, 01:00 UTC — 02 March 2025, 11:00 UTCJeopardy Tokyo, Japan 25.00*missing the scoreboard
SECCON CTF 13 Domestic Finals01 March, 01:00 UTC — 02 March 2025, 11:00 UTCJeopardy Tokyo, Japan 25.00missing the scoreboard
PwnMe CTF Quals 202528 Feb., 20:00 UTC — 02 March 2025, 18:00 UTCJeopardy On-line 0*
ApoorvCTF 202528 Feb., 15:30 UTC — 02 March 2025, 15:30 UTCJeopardy On-line 0.00
ACECTF 1.027 Feb., 06:30 UTC — 28 Feb. 2025, 06:30 UTCJeopardy On-line 22.72
TRX CTF 202522 Feb., 14:00 UTC — 23 Feb. 2025, 14:00 UTCJeopardy On-line 24.43
Kashi CTF 202522 Feb., 12:00 UTC — 23 Feb. 2025, 12:00 UTCJeopardy On-line 22.20
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 0.00missing the scoreboard
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 22.27
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 23.81
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 23.89
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 23.47
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 24.60
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