NameDateFormatLocationWeightNotes
RaRCTF 202106 Aug., 17:00 UTC — 09 Aug. 2021, 17:00 UTCJeopardy On-line 0.0014 teams will participate
TSG CTF 202107 Aug., 07:00 UTC — 08 Aug. 2021, 07:00 UTCJeopardy On-line 34.8015 teams will participate
BSides Noida CTF07 Aug., 10:30 UTC — 08 Aug. 2021, 10:30 UTCJeopardy On-line 0.0021 teams will participate
InCTF 202113 Aug., 13:30 UTC — 15 Aug. 2021, 13:30 UTCJeopardy On-line 70.4130 teams will participate
Really Awesome CTF 202113 Aug., 19:00 UTC — 16 Aug. 2021, 19:00 UTCJeopardy On-line 23.4927 teams will participate
Hacker's Playground 202116 Aug., 06:00 UTC — 17 Aug. 2021, 06:00 UTCJeopardy On-line 24.5023 teams will participate
corCTF 202121 Aug., 00:00 UTC — 23 Aug. 2021, 00:00 UTCJeopardy On-line 0.004 teams will participate
Midnight Sun CTF 2021 Finals27 Aug., 10:00 UTC — 28 Aug. 2021, 10:00 UTCJeopardy Stockholm, Sweden 52.9215 teams will participate
WORMCON 0x0128 Aug., 10:30 UTC — 29 Aug. 2021, 10:30 UTCJeopardy On-line 0.002 teams will participate
ALLES! CTF 202103 Sept., 16:00 UTC — 05 Sept. 2021, 16:00 UTCJeopardy On-line 36.3529 teams will participate
GrabCON CTF 202104 Sept., 10:30 UTC — 05 Sept. 2021, 10:30 UTCJeopardy On-line 0.004 teams will participate
CSAW CTF Qualification Round 202110 Sept., 20:00 UTC — 12 Sept. 2021, 20:00 UTCJeopardy On-line 0.0029 teams will participate
COMPFEST CTF 202112 Sept., 08:00 UTC — 13 Sept. 2021, 08:00 UTCJeopardy On-line 0.002 teams will participate
VolgaCTF 2021 Final16 Sept., 06:00 UTC — 16 Sept. 2021, 15:00 UTCAttack-Defense Samara, Russian Federation 37.504 teams will participate
Hack-A-Sat 2 Finals17 Sept., 22:00 UTC — 19 Sept. 2021, 22:00 UTCAttack-Defense On-line 0.003 teams will participate
Overflow To Fall17 Sept., 22:00 UTC — 19 Sept. 2021, 22:00 UTCJeopardy On-line 0.001 teams will participate
Trend Micro CTF 2021 - Raimund Genes Cup - Online Qualifier18 Sept., 04:00 UTC — 19 Sept. 2021, 04:00 UTCJeopardy On-line 10.334 teams will participate
DownUnderCTF24 Sept., 09:00 UTC — 26 Sept. 2021, 09:00 UTCJeopardy24.4435 teams will participate
0CTF/TCTF 2021 Finals25 Sept., 01:00 UTC — 26 Sept. 2021, 09:00 UTCJeopardy Shanghai, China 86.714 teams will participate
TastelessCTF 202101 Oct., 18:00 UTC — 03 Oct. 2021, 18:00 UTCJeopardy On-line 35.649 teams will participate
pbctf 202109 Oct., 00:00 UTC — 11 Oct. 2021, 00:00 UTCJeopardy On-line 24.904 teams will participate
DamCTF 202109 Oct., 00:00 UTC — 11 Oct. 2021, 00:00 UTCJeopardy On-line 24.430 teams will participate
SPbCTF's Student CTF 2021 Quals10 Oct., 09:00 UTC — 10 Oct. 2021, 18:00 UTCJeopardy On-line 24.334 teams will participate
iCTF15 Oct., 17:00 UTC — 16 Oct. 2021, 02:00 UTCAttack-Defense On-line 0.0010 teams will participate
N1CTF 202116 Oct., 00:00 UTC — 18 Oct. 2021, 00:00 UTCJeopardy On-line 53.547 teams will participate
CyberSecurityRumble CTF05 Nov., 20:00 UTC — 07 Nov. 2021, 20:00 UTCJeopardy41.606 teams will participate
CSAW CTF Final Round 202112 Nov., 19:00 UTC — 14 Nov. 2021, 14:00 UTCJeopardy On-line 24.403 teams will participate
SPbCTF's Student CTF 2021 Finals14 Nov., 09:00 UTC — 14 Nov. 2021, 18:00 UTCAttack-Defense On-line 25.00Prequalified teams only
Balsn CTF 202120 Nov., 02:00 UTC — 22 Nov. 2021, 02:00 UTCJeopardy On-line 37.008 teams will participate