CTFtime.org

CTF Events

NameDateFormatLocationWeightNotes
jailCTF 202624 July, 20:00 UTC — 27 July 2026, 20:00 UTCJeopardy On-line 37.0089 teams will participate
DIVER OSINT CTF 202625 July, 03:10 UTC — 26 July 2026, 03:10 UTCJeopardy On-line 0.00115 teams will participate
D^3CTF 202625 July, 12:00 UTC — 26 July 2026, 12:00 UTCJeopardy On-line 69.2278 teams will participate
BushBash CTF31 July, 07:00 UTC — 02 Aug. 2026, 07:00 UTCJeopardy On-line 0.0013 teams will participate
DeadSec CTF 2026 - POSTPONED31 July, 12:00 UTC — 01 Aug. 2026, 12:00 UTCJeopardy On-line 39.0020 teams will participate
L3akCTF 202631 July, 18:00 UTC — 02 Aug. 2026, 18:00 UTCJeopardy On-line 34.47182 teams will participate
VuwCTF 202631 July, 22:00 UTC — 02 Aug. 2026, 05:00 UTCJeopardy On-line 25.009 teams will participate
Universal CTF01 Aug., 07:00 UTC — 02 Aug. 2026, 15:00 UTCJeopardy On-line 0.0013 teams will participate
Lexington Informatics Tournament CTF 202601 Aug., 15:00 UTC — 03 Aug. 2026, 15:00 UTCJeopardy On-line 84.795 teams will participate
Kali Team - CTF 2605 Aug., 07:00 UTC — 05 Aug. 2026, 19:00 UTCJeopardy On-line 0.0018 teams will participate
AEROSPACE VILLAGE STARPWN CTF06 Aug., 17:00 UTC — 09 Aug. 2026, 18:00 UTCJeopardy On-line 24.657 teams will participate
RoboHack AI CTF (Robotic Hacking Community at DEFCON 34)07 Aug., 00:00 UTC — 09 Aug. 2026, 00:00 UTCHack quest On-line 0Casual8 teams will participate
DEF CON CTF 202607 Aug., 16:00 UTC — 09 Aug. 2026, 19:00 UTCAttack-Defense Las Vegas, Nevada, USA 0.00Prequalified teams only0 teams will participate
scriptCTF 202608 Aug., 00:00 UTC — 10 Aug. 2026, 00:00 UTCJeopardy On-line 24.7047 teams will participate
UIUCTF 202608 Aug., 00:00 UTC — 10 Aug. 2026, 00:00 UTCJeopardy On-line 69.3550 teams will participate
Thryve CTF 202614 Aug., 11:00 UTC — 14 Aug. 2026, 20:00 UTCJeopardy On-line 0.006 teams will participate
gaslightCTF 202614 Aug., 12:00 UTC — 17 Aug. 2026, 12:00 UTCJeopardy On-line 0.0020 teams will participate
HackHowl 202615 Aug., 00:00 UTC — 17 Aug. 2026, 05:00 UTCJeopardy On-line 0.009 teams will participate
THJCC CTF 2026 summer15 Aug., 00:00 UTC — 16 Aug. 2026, 12:00 UTCJeopardy0.005 teams will participate
BrunnerCTF 202621 Aug., 12:00 UTC — 23 Aug. 2026, 12:00 UTCJeopardy On-line 24.6640 teams will participate
HITCON CTF 2026 Quals28 Aug., 14:00 UTC — 30 Aug. 2026, 14:00 UTCJeopardy On-line 91.1620 teams will participate
COMPFEST CTF 202629 Aug., 00:00 UTC — 30 Aug. 2026, 00:00 UTCJeopardy On-line 96.0017 teams will participate
ASIS CTF Quals 202629 Aug., 14:00 UTC — 30 Aug. 2026, 14:00 UTCJeopardy On-line 90.5397 teams will participate
UND CyberHawks National CTF Competition 2026 Qualifiers29 Aug., 14:00 UTC — 30 Aug. 2026, 05:00 UTCJeopardy On-line 0Casual3 teams will participate
NNS CTF 202604 Sept., 16:00 UTC — 06 Sept. 2026, 16:00 UTCJeopardy On-line 25.0012 teams will participate
TFC CTF 202605 Sept., 10:00 UTC — 06 Sept. 2026, 10:00 UTCJeopardy On-line 77.089 teams will participate
K17 CTF 202611 Sept., 10:00 UTC — 13 Sept. 2026, 10:00 UTCJeopardy On-line 24.8313 teams will participate
PatriotCTF 202611 Sept., 22:00 UTC — 13 Sept. 2026, 22:00 UTCJeopardy On-line 35.462 teams will participate
VolgaCTF 2026 Final17 Sept., 05:00 UTC — 17 Sept. 2026, 15:00 UTCAttack-Defense Russia, Samara 25.004 teams will participate
NullOrigin CTF Qualifiers18 Sept., 04:30 UTC — 18 Sept. 2026, 16:30 UTCJeopardy On-line 0.004 teams will participate
CSAW CTF Qualification Round 202618 Sept., 16:00 UTC — 20 Sept. 2026, 16:00 UTCJeopardy On-line 10.933 teams will participate
WATCHLIST19 Sept., 03:30 UTC — 20 Sept. 2026, 03:30 UTCJeopardy On-line 0.004 teams will participate
H7CTF 2026 Quals26 Sept., 03:30 UTC — 27 Sept. 2026, 15:30 UTCJeopardy On-line 27.4914 teams will participate
FAUST CTF 202626 Sept., 12:00 UTC — 26 Sept. 2026, 21:00 UTCAttack-Defense On-line 72.2924 teams will participate
Pointer Overflow CTF - 202627 Sept., 14:00 UTC — 06 Dec. 2026, 14:00 UTCJeopardy On-line 018 teams will participate
Securinets CTF Quals 202603 Oct., 09:00 UTC — 04 Oct. 2026, 21:00 UTCJeopardy On-line 0.001 teams will participate
CDCTF 202603 Oct., 15:00 UTC — 04 Oct. 2026, 03:00 UTCJeopardy On-line 25.005 teams will participate
GaianSpace CTF 202610 Oct., 21:00 UTC — 14 Oct. 2026, 21:00 UTCJeopardy On-line 0.002 teams will participate
DEADFACE CTF 202617 Oct., 14:00 UTC — 19 Oct. 2026, 00:00 UTCJeopardy On-line 35.3913 teams will participate
Hack.lu CTF 202623 Oct., 18:00 UTC — 25 Oct. 2026, 18:00 UTCJeopardy On-line 94.7437 teams will participate
H7CTF 2026 Finals24 Oct., 06:30 UTC — 25 Oct. 2026, 06:30 UTCAttack-Defense Chennai, Tamil Nadu 0.006 teams will participate
PINK+ CTF 202606 Nov., 12:00 UTC — 09 Nov. 2026, 12:00 UTCJeopardy On-line 0.005 teams will participate
CSCTF 202606 Nov., 13:00 UTC — 08 Nov. 2026, 13:00 UTCJeopardy On-line 0.003 teams will participate
BlackAlps CTF 202606 Nov., 18:15 UTC — 06 Nov. 2026, 22:30 UTCJeopardy Switzerland, Yverdon-les-Bains 0.004 teams will participate
HITCON CTF 2026 Final07 Nov., 00:00 UTC — 08 Nov. 2026, 10:00 UTCAttack-Defense0.004 teams will participate
WolvCTF 202613 Nov., 23:00 UTC — 15 Nov. 2026, 23:00 UTCJeopardy On-line 0.0057 teams will participate
Platypwn 202614 Nov., 09:00 UTC — 15 Nov. 2026, 21:00 UTCJeopardy On-line 37.0018 teams will participate
GlacierCTF 202620 Nov., 18:00 UTC — 21 Nov. 2026, 18:00 UTCJeopardy On-line 73.172 teams will participate
SwampCTF 202620 Nov., 21:00 UTC — 22 Nov. 2026, 21:00 UTCJeopardy On-line 0.0015 teams will participate
ASIS CTF Finals 202627 Dec., 14:00 UTC — 28 Dec. 2026, 14:00 UTCJeopardy On-line 99.38