CTFtime.org

CTF Events

NameDateFormatLocationWeightNotes
Triada CTF '2606 April, 04:30 UTC — 07 April 2026, 04:30 UTCJeopardy Yenepoya (Deemed to be University), Bangalore Campus 0Academic teams only12 teams will participate
Dreamhack Invitational 202607 April, 00:00 UTC — 07 April 2026, 15:00 UTCJeopardy COEX, Seoul, South Korea 0Individual
Pàlcam Cybergames 202610 April, 10:00 UTC — 11 April 2026, 23:00 UTCJeopardy On-line 0Academic teams only8 teams will participate
DawgCTF 202610 April, 16:00 UTC — 12 April 2026, 16:00 UTCJeopardy On-line 66.6439 teams will participate
UMassCTF 202610 April, 22:00 UTC — 12 April 2026, 22:00 UTCJeopardy On-line 65.9570 teams will participate
Cybersplash 202611 April, 02:00 UTC — 12 April 2026, 02:00 UTCJeopardy On-line 0.005 teams will participate
Midnight Sun CTF 2026 Quals11 April, 10:00 UTC — 12 April 2026, 10:00 UTCJeopardy On-line 48.17102 teams will participate
PUTCyberDays CTF 202611 April, 10:00 UTC — 12 April 2026, 10:00 UTCJeopardy On-line 0.001 teams will participate
Incognito 7.014 April, 00:00 UTC — 15 April 2026, 00:00 UTCJeopardy On-line 16.564 teams will participate
CPCTF 202617 April, 11:00 UTC — 19 April 2026, 11:00 UTCJeopardy On-line 0Individual
CTF@CIT 202617 April, 16:00 UTC — 19 April 2026, 19:00 UTCJeopardy On-line 23.938 teams will participate
b01lers CTF 202618 April, 00:00 UTC — 20 April 2026, 00:00 UTCJeopardy On-line 66.0011 teams will participate
pingCTF 202618 April, 10:00 UTC — 19 April 2026, 10:00 UTCJeopardy On-line 46.2012 teams will participate
K!nd4SUS CTF 202618 April, 12:00 UTC — 19 April 2026, 12:00 UTCJeopardy On-line 18.704 teams will participate
JerseyCTF VI18 April, 19:00 UTC — 19 April 2026, 19:00 UTCJeopardy On-line 37.008 teams will participate
CyberNSK-Finals19 April, 12:00 UTC — 26 April 2026, 12:00 UTCAttack-Defense Russian, Novosibirsk, Novosibirsk State Technical University 0Casual0 teams will participate
TRX CTF 202624 April, 19:00 UTC — 26 April 2026, 19:00 UTCJeopardy On-line 24.162 teams will participate
UMDCTF 202624 April, 22:00 UTC — 26 April 2026, 22:00 UTCJeopardy On-line 85.4822 teams will participate
HACKTHEON SEJONG 2026 Qualifier25 April, 01:00 UTC — 25 April 2026, 08:00 UTCJeopardy On-line 0Academic teams only10 teams will participate
CTF@AC26 - Quals25 April, 07:00 UTC — 26 April 2026, 07:00 UTCJeopardy On-line 24.538 teams will participate
KubSTU CTF01 May, 07:00 UTC — 02 May 2026, 19:00 UTCJeopardy On-line 0.005 teams will participate
THEM?!CTF 202601 May, 18:00 UTC — 03 May 2026, 18:00 UTCJeopardy On-line 0.0011 teams will participate
THCon 2K26 CTF07 May, 11:00 UTC — 08 May 2026, 11:00 UTCJeopardy On-line 34.673 teams will participate
PHONIX VIPER NOVA CTF#208 May, 10:00 UTC — 10 May 2026, 17:00 UTCJeopardy Romania, Bucharest 0.008 teams will participate
Break The Syntax CTF 202608 May, 16:00 UTC — 10 May 2026, 12:00 UTCJeopardy On-line 56.255 teams will participate
DAMCTF 202609 May, 00:00 UTC — 11 May 2026, 00:00 UTCJeopardy On-line 33.422 teams will participate
From Dusk Till Dawn Quals09 May, 09:00 UTC — 10 May 2026, 09:00 UTCJeopardy On-line 0.007 teams will participate
DaVinciCTF 202616 May, 08:00 UTC — 16 May 2026, 17:00 UTCJeopardy On-line 32.593 teams will participate
UralCUP 202617 May, 05:00 UTC — 17 May 2026, 13:00 UTCJeopardy On-line 0Academic teams only2 teams will participate
TJCTF 202622 May, 16:00 UTC — 24 May 2026, 16:00 UTCJeopardy On-line 65.056 teams will participate
DEF CON CTF Qualifier 202622 May, 21:00 UTC — 24 May 2026, 21:00 UTCJeopardy On-line 63.2231 teams will participate
SecLeaf Q2 CTF 202623 May, 14:00 UTC — 24 May 2026, 14:00 UTCJeopardy On-line 0Individual
Hardwear.io USA 2026 Hardware CTF29 May, 17:00 UTC — 30 May 2026, 20:50 UTCJeopardy US, Santa Clara 0.001 teams will participate
Pwn2Play Open CTF30 May, 09:00 UTC — 30 May 2026, 18:00 UTCJeopardy On-line 0Casual0 teams will participate
Grey Cat The Flag 2026 Qualifiers31 May, 12:00 UTC — 01 June 2026, 12:00 UTCJeopardy On-line 47.508 teams will participate
GPN CTF 202605 June, 10:00 UTC — 06 June 2026, 22:00 UTCJeopardy On-line 69.0012 teams will participate
SAS CTF 2026 Quals06 June, 12:00 UTC — 07 June 2026, 12:00 UTCJeopardy On-line 31.0016 teams will participate
SSMCTF 2026 Qualifiers07 June, 10:00 UTC — 08 June 2026, 10:00 UTCJeopardy On-line 0.0024 teams will participate
CyberSci Nationals 2025-202613 June, 13:00 UTC — 14 June 2026, 23:00 UTCJeopardy Ottawa, Canada 0.002 teams will participate
Crypto CTF 202613 June, 14:00 UTC — 14 June 2026, 14:00 UTCJeopardy On-line 91.0021 teams will participate
Google Capture The Flag 202619 June, 18:00 UTC — 21 June 2026, 18:00 UTCJeopardy On-line 88.8218 teams will participate
Grey Cat The Flag 2026 Finals28 June, 02:00 UTC — 29 June 2026, 02:00 UTCJeopardy Singapore 0.001 teams will participate
No Hack No CTF 202604 July, 00:00 UTC — 06 July 2026, 00:00 UTCJeopardy On-line 23.471 teams will participate
R3CTF 202604 July, 02:00 UTC — 06 July 2026, 02:00 UTCJeopardy On-line 35.950 teams will participate
L3akCTF 202610 July, 18:00 UTC — 12 July 2026, 18:00 UTCJeopardy On-line 34.4716 teams will participate
OmniCTF 2026 Quals17 July, 15:00 UTC — 19 July 2026, 15:00 UTCJeopardy On-line 0.003 teams will participate
DownUnderCTF 202617 July, 19:30 UTC — 19 July 2026, 19:30 UTCJeopardy On-line 94.9911 teams will participate
UIUCTF 202625 July, 00:00 UTC — 27 July 2026, 00:00 UTCJeopardy On-line 69.354 teams will participate
D^3CTF 202625 July, 12:00 UTC — 26 July 2026, 12:00 UTCJeopardy On-line 69.221 teams will participate
scriptCTF 202608 Aug., 00:00 UTC — 10 Aug. 2026, 00:00 UTCJeopardy On-line 24.7012 teams will participate
gaslightCTF 202614 Aug., 12:00 UTC — 17 Aug. 2026, 12:00 UTCJeopardy On-line 0.003 teams will participate
BrunnerCTF 202621 Aug., 12:00 UTC — 23 Aug. 2026, 12:00 UTCJeopardy On-line 24.6610 teams will participate
SekaiCTF 202622 Aug., 00:00 UTC — 24 Aug. 2026, 00:00 UTCJeopardy On-line 79.255 teams will participate
ASIS CTF Quals 202629 Aug., 14:00 UTC — 30 Aug. 2026, 14:00 UTCJeopardy On-line 90.5340 teams will participate
NNS CTF 202604 Sept., 16:00 UTC — 06 Sept. 2026, 16:00 UTCJeopardy On-line 25.004 teams will participate
K17 CTF 202611 Sept., 10:00 UTC — 13 Sept. 2026, 10:00 UTCJeopardy On-line 24.832 teams will participate
Pointer Overflow CTF - 202627 Sept., 14:00 UTC — 06 Dec. 2026, 14:00 UTCJeopardy On-line 06 teams will participate
Hack.lu CTF 202623 Oct., 18:00 UTC — 25 Oct. 2026, 18:00 UTCJeopardy On-line 94.743 teams will participate
WolvCTF 202613 Nov., 23:00 UTC — 15 Nov. 2026, 23:00 UTCJeopardy On-line 0.0043 teams will participate
Platypwn 202614 Nov., 09:00 UTC — 15 Nov. 2026, 21:00 UTCJeopardy On-line 37.008 teams will participate
SwampCTF 202620 Nov., 21:00 UTC — 22 Nov. 2026, 21:00 UTCJeopardy On-line 0.002 teams will participate
ASIS CTF Finals 202627 Dec., 14:00 UTC — 28 Dec. 2026, 14:00 UTCJeopardy On-line 99.38