NameDateFormatLocationWeightNotes
0x41414141 CTF23 Jan., 17:00 UTC — 30 Jan. 2021, 17:00 UTCJeopardy On-line 064 teams will participate
Ashish Jha26 Jan., 00:00 UTC — 27 Jan. 2021, 00:00 UTCJeopardy On-line 0.0031 teams will participate
justCTF [*] 202030 Jan., 06:00 UTC — 31 Jan. 2021, 19:00 UTCJeopardy On-line 24.85139 teams will participate
DiceCTF 202106 Feb., 00:00 UTC — 08 Feb. 2021, 00:00 UTCJeopardy On-line 0.0030 teams will participate
Union CTF 202119 Feb., 19:00 UTC — 21 Feb. 2021, 19:00 UTCJeopardy On-line 0.005 teams will participate
darkCON CTF20 Feb., 10:30 UTC — 21 Feb. 2021, 10:30 UTCJeopardy On-line 0.004 teams will participate
Aero CTF 202127 Feb., 09:00 UTC — 28 Feb. 2021, 09:00 UTCJeopardy On-line 35.1723 teams will participate
UTCTF 202113 March, 00:00 UTC — 15 March 2021, 00:00 UTCJeopardy On-line 34.1115 teams will participate
SPRUSH CTF Quals 202121 March, 07:00 UTC — 21 March 2021, 21:00 UTCJeopardy On-line 0.003 teams will participate
VolgaCTF 2021 Qualifier27 March, 14:00 UTC — 28 March 2021, 14:00 UTCJeopardy On-line 32.738 teams will participate
Shakti CTF03 April, 06:30 UTC — 04 April 2021, 18:30 UTCJeopardy On-line 25.000 teams will participate
Midnight Sun CTF 2021 Quals09 April, 17:00 UTC — 10 April 2021, 17:00 UTCJeopardy On-line 50.329 teams will participate
PlaidCTF 202116 April, 21:00 UTC — 18 April 2021, 21:00 UTCJeopardy On-line 99.6411 teams will participate
WPICTF 202123 April, 22:00 UTC — 25 April 2021, 22:00 UTCJeopardy On-line 36.403 teams will participate
DEF CON CTF Qualifier 202101 May, 00:00 UTC — 03 May 2021, 00:00 UTCJeopardy On-line 80.928 teams will participate
San Diego CTF 202108 May, 00:00 UTC — 10 May 2021, 00:00 UTCJeopardy On-line 0.003 teams will participate
saarCTF 202108 May, 13:00 UTC — 08 May 2021, 22:00 UTCAttack-Defense On-line 24.422 teams will participate
Pwn2Win CTF 202128 May, 16:37 UTC — 30 May 2021, 16:37 UTCJeopardy On-line 83.413 teams will participate
WeCTF 202119 June, 17:00 UTC — 20 June 2021, 17:00 UTCJeopardy On-line 25.001 teams will participate