NameDateFormatLocationWeightNotes
WeCTF 202119 June, 17:00 UTC — 20 June 2021, 17:00 UTCJeopardy On-line 25.000 teams will participate
Pwn2Win CTF 202128 May, 16:37 UTC — 30 May 2021, 16:37 UTCJeopardy On-line 83.411 teams will participate
saarCTF 202108 May, 13:00 UTC — 08 May 2021, 22:00 UTCAttack-Defense On-line 24.422 teams will participate
WPICTF 202123 April, 22:00 UTC — 25 April 2021, 22:00 UTCJeopardy On-line 36.401 teams will participate
PlaidCTF 202116 April, 21:00 UTC — 18 April 2021, 21:00 UTCJeopardy On-line 99.649 teams will participate
Midnight Sun CTF 2021 Quals09 April, 17:00 UTC — 10 April 2021, 17:00 UTCJeopardy On-line 50.328 teams will participate
Shakti CTF03 April, 06:30 UTC — 04 April 2021, 18:30 UTCJeopardy On-line 25.000 teams will participate
VolgaCTF 2021 Qualifier27 March, 14:00 UTC — 28 March 2021, 14:00 UTCJeopardy On-line 32.736 teams will participate
SPRUSH CTF Quals 202121 March, 07:00 UTC — 21 March 2021, 21:00 UTCJeopardy On-line 0.003 teams will participate
PoseidonCTF 2nd Edition20 March, 13:37 UTC — 22 March 2021, 01:37 UTCJeopardy On-line 24.788 teams will participate
UTCTF 202113 March, 00:00 UTC — 15 March 2021, 00:00 UTCJeopardy On-line 34.119 teams will participate
Aero CTF 202127 Feb., 09:00 UTC — 28 Feb. 2021, 09:00 UTCJeopardy On-line 35.1717 teams will participate
darkCON CTF20 Feb., 10:30 UTC — 21 Feb. 2021, 10:30 UTCJeopardy On-line 0.000 teams will participate
Union CTF 202119 Feb., 19:00 UTC — 21 Feb. 2021, 19:00 UTCJeopardy On-line 0.002 teams will participate
DiceCTF 202106 Feb., 00:00 UTC — 08 Feb. 2021, 00:00 UTCJeopardy On-line 0.0022 teams will participate
justCTF [*] 202030 Jan., 06:00 UTC — 31 Jan. 2021, 19:00 UTCJeopardy On-line 24.85101 teams will participate
Ashish Jha26 Jan., 00:00 UTC — 27 Jan. 2021, 00:00 UTCJeopardy On-line 0.0016 teams will participate
0x41414141 CTF23 Jan., 17:00 UTC — 30 Jan. 2021, 17:00 UTCJeopardy On-line 08 teams will participate
The Cyber Grabs CTF 0x0217 Jan., 04:30 UTC — 17 Jan. 2021, 10:30 UTCJeopardy On-line 0*missing the scoreboard
BambooFox CTF 202116 Jan., 02:00 UTC — 18 Jan. 2021, 02:00 UTCJeopardy On-line 0*missing the scoreboard
*CTF 202116 Jan., 01:00 UTC — 18 Jan. 2021, 01:00 UTCJeopardy On-line 0*missing the scoreboard
ISFCR Hackathon 202115 Jan., 05:30 UTC — 17 Jan. 2021, 05:30 UTCJeopardy On-line 0.00
0xL4ughCTF14 Jan., 12:00 UTC — 16 Jan. 2021, 12:00 UTCJeopardy0*
Real World CTF 3rd09 Jan., 02:00 UTC — 11 Jan. 2021, 02:00 UTCJeopardy On-line 37.00*
HAC-SEC 21'04 Jan., 04:00 UTC — 05 Jan. 2021, 04:00 UTCJeopardy On-line 22.35missing the scoreboard
Global CyberPeace Challenge 2.0 CTF-IT03 Jan., 03:30 UTC — 15 Jan. 2021, 18:30 UTCJeopardy On-line 0*missing the scoreboard
TetCTF 202101 Jan., 00:00 UTC — 03 Jan. 2021, 00:00 UTCJeopardy On-line 25.00