CTFtime.org

CTF Events

NameDateFormatLocationWeightNotes
Season V, US Cyber Open Competitive CTF09 June, 20:00 UTC — 19 June 2025, 23:59 UTCJeopardy On-line 0Individual
AMSI CTF 202513 June, 20:00 UTC — 14 June 2025, 18:00 UTCJeopardy Paris 0.004 teams will participate
smileyCTF 202514 June, 00:00 UTC — 16 June 2025, 00:00 UTCJeopardy On-line 48.6151 teams will participate
Crypto CTF 202514 June, 06:00 UTC — 15 June 2025, 06:00 UTCJeopardy On-line 88.2575 teams will participate
Midnight Sun CTF 2025 Finals14 June, 10:00 UTC — 15 June 2025, 10:00 UTCJeopardy Sweden, Stockholm 100.003 teams will participate
CyberSci Nationals 202514 June, 13:00 UTC — 15 June 2025, 23:00 UTCJeopardy Ottawa, Canada 25.006 teams will participate
GPN CTF 202520 June, 10:00 UTC — 21 June 2025, 22:00 UTCJeopardy On-line 46.0016 teams will participate
IERAE CTF 2025 - GMO Cybersecurity Contest21 June, 06:00 UTC — 22 June 2025, 06:00 UTCJeopardy On-line 25.0022 teams will participate
MaltaCTF 2025 Quals21 June, 07:00 UTC — 22 June 2025, 07:00 UTCJeopardy On-line 0.0014 teams will participate
cornCTF 202521 June, 12:00 UTC — 22 June 2025, 12:00 UTCJeopardy On-line 0.0013 teams will participate
Google Capture The Flag 202527 June, 18:00 UTC — 29 June 2025, 18:00 UTCJeopardy On-line 97.17183 teams will participate
BSides Mumbai CTF 202528 June, 10:00 UTC — 29 June 2025, 10:00 UTCJeopardy On-line 0.0012 teams will participate
R3CTF 202505 July, 02:00 UTC — 07 July 2025, 02:00 UTCJeopardy On-line 24.5021 teams will participate
L3akCTF 202511 July, 17:00 UTC — 13 July 2025, 17:00 UTCJeopardy On-line 24.4359 teams will participate
UIUCTF 202512 July, 00:00 UTC — 14 July 2025, 00:00 UTCJeopardy On-line 91.4320 teams will participate
DownUnderCTF 202518 July, 09:30 UTC — 20 July 2025, 09:30 UTCJeopardy On-line 91.6691 teams will participate
BDSec CTF 202520 July, 15:00 UTC — 21 July 2025, 15:00 UTCJeopardy On-line 0.006 teams will participate
DeadSec CTF 202525 July, 22:00 UTC — 27 July 2025, 22:00 UTCJeopardy On-line 31.2910 teams will participate
World Wide CTF 202526 July, 12:00 UTC — 28 July 2025, 12:00 UTCJeopardy On-line 24.4828 teams will participate
idekCTF 202502 Aug., 00:00 UTC — 04 Aug. 2025, 00:00 UTCJeopardy On-line 52.0612 teams will participate
justCTF 202502 Aug., 06:00 UTC — 03 Aug. 2025, 19:00 UTCJeopardy On-line 97.2050 teams will participate
GaianSpace CTF 202508 Aug., 14:00 UTC — 12 Aug. 2025, 14:00 UTCJeopardy On-line 0.004 teams will participate
WHY2025 CTF08 Aug., 16:00 UTC — 11 Aug. 2025, 16:00 UTCJeopardy On-line 0.003 teams will participate
[POSTPONED] jailCTF 202515 Aug., 20:00 UTC — 18 Aug. 2025, 20:00 UTCJeopardy On-line 24.884 teams will participate
SekaiCTF 202516 Aug., 01:00 UTC — 18 Aug. 2025, 01:00 UTCJeopardy On-line 55.0024 teams will participate
RCTF 202520 Aug., 10:00 UTC — 22 Aug. 2025, 10:00 UTCJeopardy On-line 0.001 teams will participate
HITCON CTF 202522 Aug., 14:00 UTC — 24 Aug. 2025, 14:00 UTCJeopardy On-line 100.008 teams will participate
NNS CTF 202529 Aug., 16:00 UTC — 31 Aug. 2025, 16:00 UTCJeopardy On-line 0.006 teams will participate
corCTF 202530 Aug., 00:00 UTC — 01 Sept. 2025, 00:00 UTCJeopardy On-line 82.008 teams will participate
ASIS CTF Quals 202506 Sept., 14:00 UTC — 07 Sept. 2025, 14:00 UTCJeopardy On-line 96.2924 teams will participate
MaltaCTF 2025 Finals13 Sept., 10:00 UTC — 14 Sept. 2025, 10:00 UTCJeopardy Valletta, Malta 0.000 teams will participate
CrewCTF 202519 Sept., 21:00 UTC — 21 Sept. 2025, 21:00 UTCJeopardy On-line 38.9310 teams will participate
Iran Tech Olympics CTF 202526 Sept., 13:00 UTC — 27 Sept. 2025, 19:00 UTCJeopardy On-line 0.003 teams will participate
FAUST CTF 202527 Sept., 12:00 UTC — 27 Sept. 2025, 21:00 UTCAttack-Defense On-line 92.508 teams will participate
Equinor CTF 202508 Nov., 09:00 UTC — 08 Nov. 2025, 19:00 UTCJeopardy Norway, Oslo 37.003 teams will participate
Platypwn 202515 Nov., 12:00 UTC — 16 Nov. 2025, 12:00 UTCJeopardy On-line 33.298 teams will participate
GlacierCTF 202522 Nov., 18:00 UTC — 23 Nov. 2025, 18:00 UTCJeopardy On-line 52.5710 teams will participate
WP CTF 202529 Nov., 08:00 UTC — 29 Nov. 2025, 16:00 UTCJeopardy NOI Techark, Bolzano, Italy 0.001 teams will participate
ASIS CTF Final 202527 Dec., 14:00 UTC — 28 Dec. 2025, 14:00 UTCJeopardy On-line 100.0023 teams will participate