NameDateFormatLocationWeightNotes
White-Hats Break the Syntax CTF12 March, 15:00 UTC — 14 March 2021, 15:00 UTCJeopardy On-line 0.002 teams will participate
DaVinciCTF 202112 March, 16:00 UTC — 14 March 2021, 16:00 UTCJeopardy On-line 0.002 teams will participate
NahamCon CTF 202112 March, 20:00 UTC — 14 March 2021, 20:00 UTCJeopardy On-line 24.98109 teams will participate
UTCTF 202113 March, 00:00 UTC — 15 March 2021, 00:00 UTCJeopardy On-line 34.1183 teams will participate
vishwaCTF 202113 March, 10:00 UTC — 14 March 2021, 22:00 UTCJeopardy On-line 0.0030 teams will participate
BCA CTF 202113 March, 10:00 UTC — 13 March 2021, 17:15 UTCJeopardy On-line 0.0017 teams will participate
BlueHens CTF 202119 March, 18:00 UTC — 21 March 2021, 18:00 UTCJeopardy On-line 0.000 teams will participate
LINE CTF 202120 March, 00:00 UTC — 21 March 2021, 00:00 UTCJeopardy On-line 0.0018 teams will participate
PoseidonCTF 2nd Edition **cancelled**20 March, 13:37 UTC — 22 March 2021, 01:37 UTCJeopardy On-line 24.7822 teams will participate
SPRUSH CTF Quals 202121 March, 07:00 UTC — 21 March 2021, 21:00 UTCJeopardy On-line 0.0014 teams will participate
UMassCTF26 March, 22:00 UTC — 28 March 2021, 22:00 UTCJeopardy On-line 0.008 teams will participate
VolgaCTF 2021 Qualifier27 March, 14:00 UTC — 28 March 2021, 14:00 UTCJeopardy On-line 32.7325 teams will participate
√•ngstromCTF 202103 April, 00:00 UTC — 07 April 2021, 23:59 UTCJeopardy On-line 46.0919 teams will participate
Shakti CTF03 April, 06:30 UTC — 04 April 2021, 18:30 UTCJeopardy On-line 25.004 teams will participate
JUST CTF Finals 202103 April, 12:12 UTC — 06 April 2021, 12:12 UTCJeopardy Jordan, Irbid 0.002 teams will participate
b01lers CTF03 April, 22:00 UTC — 05 April 2021, 22:00 UTCJeopardy On-line 22.995 teams will participate
Midnight Sun CTF 2021 Quals09 April, 17:00 UTC — 10 April 2021, 17:00 UTCJeopardy On-line 50.3218 teams will participate
HackPack CTF 202116 April, 14:00 UTC — 16 April 2021, 22:00 UTCJeopardy On-line 24.310 teams will participate
PlaidCTF 202116 April, 21:00 UTC — 18 April 2021, 21:00 UTCJeopardy On-line 99.6428 teams will participate
UMDCTF 202116 April, 21:00 UTC — 18 April 2021, 21:00 UTCJeopardy On-line 24.024 teams will participate
Cyber Apocalypse 202119 April, 12:00 UTC — 23 April 2021, 18:00 UTCJeopardy On-line 24.330 teams will participate
HeroCTF v323 April, 20:00 UTC — 25 April 2021, 22:00 UTCJeopardy On-line 0.009 teams will participate
WPICTF 202123 April, 22:00 UTC — 25 April 2021, 22:00 UTCJeopardy On-line 36.4011 teams will participate
DEF CON CTF Qualifier 202101 May, 00:00 UTC — 03 May 2021, 00:00 UTCJeopardy On-line 80.9233 teams will participate
San Diego CTF 202108 May, 00:00 UTC — 10 May 2021, 00:00 UTCJeopardy On-line 0.006 teams will participate
HSCTF 824 May, 12:00 UTC — 29 May 2021, 00:00 UTCJeopardy On-line 24.507 teams will participate
Pwn2Win CTF 202128 May, 16:37 UTC — 30 May 2021, 16:37 UTCJeopardy On-line 83.4118 teams will participate
Zh3r0 CTF V204 June, 10:30 UTC — 06 June 2021, 10:30 UTCJeopardy On-line 21.853 teams will participate
Midnight Sun CTF 2021 Finals18 June, 11:00 UTC — 19 June 2021, 11:00 UTCJeopardy Stockholm, Sweden 52.923 teams will participate
WeCTF 202119 June, 17:00 UTC — 20 June 2021, 17:00 UTCJeopardy On-line 25.005 teams will participate
CyBRICS CTF 202124 July, 10:00 UTC — 25 July 2021, 10:00 UTCJeopardy On-line 33.320 teams will participate
Crypto CTF 202130 July, 16:00 UTC — 31 July 2021, 16:00 UTCJeopardy On-line 36.0010 teams will participate