CTF Calendar

upcoming CTF competitions.

live and upcoming events · click any to get spoiler-free hints

EVENTDATETYPE
in 3dMindBreak 2026 by ESGIJul 3–4
JeopardyONSITE
in 3dNo Hack No CTF 2026wt 23.5Jul 4–6
Jeopardy
in 3dR3CTF 2026wt 36.0Jul 4–6
Jeopardy
in 3dFluid Attacks' CTF 2026-2Jul 4–5
JeopardyIndividual
in 5dLYKNCTFJul 6–8
Jeopardy
in 10dL3akCTF 2026wt 34.5Jul 10–12
Jeopardy
in 10dJunior.Crypt.2026 CTFwt 23.4Jul 11–12
Jeopardy
in 2wOmniCTF 2026 QualsJul 17–19
Jeopardy
in 2wDownUnderCTF 2026wt 95.0Jul 17–19
Jeopardy
in 2wDAMCTF 2026wt 33.4Jul 18–20
Jeopardy
in 2wHACKSIUM BUSAN 2026 QualsJul 18–18
Jeopardy
in 2wENOWARS 10wt 83.5Jul 18–18
A/D
in 3wCodegate CTF 2026 FinalsJul 23–24
Jeopardy
in 3wjailCTF 2026wt 37.0Jul 24–27
Jeopardy
in 3wUIUCTF 2026wt 69.3Jul 25–27
Jeopardy
in 3wDIVER OSINT CTF 2026Jul 25–26
Jeopardy
in 3wD^3CTF 2026wt 69.2Jul 25–26
Jeopardy
in 4wDeadSec CTF 2026wt 39.0Jul 31 – Aug 1
Jeopardy
in 4wVuwCTF 2026wt 25.0Jul 31 – Aug 2
Jeopardy
in 4wUniversal CTFAug 1–2
Jeopardy
in 5wKali Team - CTF 26Aug 5–5
Jeopardy
in 5wAEROSPACE VILLAGE STARPWN CTFwt 24.6Aug 6–9
Jeopardy
in 5wRoboHack AI CTF (Robotic Hacking Community at DEFCON 34)Aug 7–9
Hack questCasual
in 5wDEF CON CTF 2026Aug 7–9
A/DONSITEPrequalified
in 5wscriptCTF 2026wt 24.7Aug 8–10
Jeopardy
in 6wThryve CTF 2026Aug 14–14
Jeopardy
in 6wgaslightCTF 2026Aug 14–17
Jeopardy
in 6wHackHowl 2026Aug 15–17
Jeopardy
in 6wTHJCC CTF 2026 summerAug 15–16
JeopardyONSITE
in 7wBrunnerCTF 2026wt 24.7Aug 21–23
Jeopardy

events via ctftime.org ↗ · updated hourly