CTF Time

Name: AlpacaHack Round 13 (Crypto) (an AlpacaHack event.)
Date: July 20, 2025, 3 a.m. — 20 July 2025, 09:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://alpacahack.com/ctfs/round-13
Rating weight: 0
Event organizers: AlpacaHack

Name: BDSec CTF 2025 (an BDSec CTF event.)
Date: July 20, 2025, 3 p.m. — 21 July 2025, 15:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://bdsec-ctf.com/
Rating weight: 16.11
Event organizers: Knight Squad

Name: ToH CTF 2025 (an ToH CTF event.)
Date: July 19, 2025, 4 p.m. — 20 July 2025, 16:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.towerofhanoi.it/
Rating weight: 24.31
Event organizers: Tower of Hanoi

Name: DownUnderCTF 2025 (an DownUnderCTF event.)
Date: July 18, 2025, 9:30 a.m. — 20 July 2025, 09:30 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://2025.duc.tf/
Rating weight: 91.66
Event organizers: DownUnderCTF

Name: ENOWARS 9 (an ENOWARS event.)
Date: July 19, 2025, noon — 19 July 2025, 21:00 UTC  [add to calendar]
Format: Attack-Defense
On-line
Offical URL: https://9.enowars.com/
Rating weight: 100.00
Event organizers: ENOFLAG

Name: HITCON Cyber Range 2025 Quals (an HITCON Cyber Range event.)
Date: July 18, 2025, 2 a.m. — 18 July 2025, 15:59 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://hitcon.kktix.cc/events/hitcon-cyberrange-2025
Rating weight: 0.00
Event organizers: HITCON

Name: L3HCTF 2025 (an L3HCTF event.)
Date: July 12, 2025, 1 a.m. — 14 July 2025, 01:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://l3hctf2025.xctf.org.cn/
Rating weight: 23.50
Event organizers: L3H Sec

Name: CTF Cybercamp UMU 3.0 (an CTF Cybercamp UMU event.)
Date: July 11, 2025, 3 p.m. — 13 July 2025, 22:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://eventos.um.es/go/ctf-cybercampumu-3
Rating weight: 0
Event organizers: Offensive Skills

Name: L3akCTF 2025 (an L3akCTF event.)
Date: July 11, 2025, 5 p.m. — 13 July 2025, 17:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.l3ak.team/
Rating weight: 24.43
Event organizers: L3ak

Name: CRMA mini CTF 2025 (an CRMA mini CTF event.)
Date: July 11, 2025, 5 p.m. — 12 July 2025, 16:59 UTC  [add to calendar]
Format: Jeopardy
On-line
Location: Internal, CRMA
Offical URL: https://ctf.crma.club/
Rating weight: 0
Event organizers: CRMA Cyber Club

Name: No Hack No CTF 2025 (an No Hack No CTF event.)
Date: July 5, 2025, 8 a.m. — 07 July 2025, 08:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://nhnc.ic3dt3a.org/
Rating weight: 23.39
Event organizers: ICEDTEA

Name: CubeCTF (an CubeCTF event.)
Date: July 4, 2025, 10:16 p.m. — 07 July 2025, 00:25 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://cubectf.com/
Rating weight: 24.72
Event organizers: CubeMastery

Name: R3CTF 2025 (an R3CTF event.)
Date: July 5, 2025, 2 a.m. — 07 July 2025, 02:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf2025.r3kapig.com/
Rating weight: 24.50
Event organizers: r3kapig

Name: Impossible Mission Force Capture The Flag (an IMF CTF event.)
Date: July 5, 2025, 7 a.m. — 06 July 2025, 20:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Location: Online
Offical URL: https://missionimpossiblectf2025.vercel.app/
Rating weight: 0
Event organizers: IMFCTF

Name: BlitzCTF (an BlitzCTF event.)
Date: July 5, 2025, 2:30 p.m. — 07 July 2025, 02:30 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.blitzhack.xyz/
Rating weight: 23.20
Event organizers: OSCTF

Name: Cyber Arena (an Cyber Arena event.)
Date: July 5, 2025, 10:04 a.m. — 06 July 2025, 10:04 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://csem.sturtles.in/events/1/
Rating weight: 0
Event organizers: Super_Hacker

Name: Junior.Crypt.2025 CTF (an .. Junior.Crypt CTF event.)
Date: July 1, 2025, 8 a.m. — 03 July 2025, 08:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: http://ctf-spcs.mf.grsu.by/
Rating weight: 23.13
Event organizers: Beavers0

Name: Hack The System - Bug Bounty CTF (an Hack The Box CTF event.)
Date: June 27, 2025, 1 p.m. — 29 June 2025, 19:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.hackthebox.com/
Rating weight: 24.00
Event organizers: Hack The Box

Name: Google Capture The Flag 2025 (an Google Capture The Flag event.)
Date: June 27, 2025, 6 p.m. — 29 June 2025, 18:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://g.co/ctf
Rating weight: 97.17
Event organizers: Google CTF

Name: Involuntary CTF 2025 (an involuntaryCTF event.)
Date: June 27, 2025, 6 p.m. — 29 June 2025, 18:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: http://involuntaryctf.net/
Rating weight: 0
Event organizers: inv0luntary