CTF Calendar 2025 - All upcoming cybersecurity competitions

Your ultimate Radar to never miss a CTF. Follow CTF competitions, receive personalized reminders, explore by date, duration or location, and stay connected to the cybersecurity community.

Upcoming CTFs not to miss

Discover the best CTF competitions scheduled for 2025, with dates, levels and various formats. Ideal for all cybersecurity enthusiasts.

00:00:00:00
In Progress

LakeCTF Quals 25-26

Date: 28 - 29 nov. 2025 à 19:00

Location: online

Duration: 1 day

Format: Jeopardy

00:00:00:00
In Progress

HeroCTF v7

Date: 28 - 30 nov. 2025 à 21:00

Location: online

Duration: 2 days 2 hours

Format: Jeopardy

00:00:00:00
In Progress

WP CTF 2025

Date: 29 - 29 nov. 2025 à 09:00

Location: NOI Techark, Bolzano, Italy

Duration: 8 hours

Format: Jeopardy

00:00:00:00
In Progress

Haix-la-Chapelle 2025

Date: 29 - 30 nov. 2025 à 10:00

Location: online

Duration: 1 day

Format: Jeopardy

Upcoming

m0leCon 2026 Beginner CTF

Date: 29 - 29 nov. 2025 à 14:00

Location: online

Duration: 5 hours

Format: Jeopardy

Upcoming

BKISC CTF 2025

Date: 1 - 2 déc. 2025 à 03:00

Location: online

Duration: 1 day 12 hours

Format: Jeopardy

Upcoming

BlackHat MEA CTF Final 2025

Date: 2 - 4 déc. 2025 à 09:00

Location: Riyadh

Duration: 2 days 7 hours

Format: Jeopardy

Upcoming

Metared Argentina 2025

Date: 4 - 5 déc. 2025 à 13:00

Location: online

Duration: 1 day

Format: Jeopardy

Upcoming

Null CTF 2025

Date: 5 - 7 déc. 2025 à 16:00

Location: online

Duration: 2 days

Format: Jeopardy

Upcoming

P3rf3ctr00t CTF 2025

Date: 5 - 7 déc. 2025 à 16:00

Location: online

Duration: 2 days

Format: Jeopardy

Upcoming

VuwCTF 2025

Date: 5 - 7 déc. 2025 à 22:00

Location: online

Duration: 1 day 7 hours

Format: Jeopardy

Upcoming

WannaGame Championship 2025

Date: 6 - 8 déc. 2025 à 02:00

Location: online

Duration: 2 days

Format: Jeopardy

Upcoming

CyKor CTF 2025

Date: 6 - 7 déc. 2025 à 02:00

Location: online

Duration: 1 day

Format: Jeopardy

Upcoming

BackdoorCTF 2025

Date: 6 - 8 déc. 2025 à 13:00

Location: online

Duration: 2 days

Format: Jeopardy

Upcoming

niteCTF 2025

Date: 12 - 14 déc. 2025 à 13:00

Location: online

Duration: 2 days

Format: Jeopardy

Upcoming

SECCON CTF 14 Quals

Date: 13 - 14 déc. 2025 à 06:00

Location: online

Duration: 1 day

Format: Jeopardy

Upcoming

BSides Algiers 2025

Date: 18 - 20 déc. 2025 à 20:00

Location: online

Duration: 1 day 12 hours

Format: Jeopardy

Upcoming

HKCERT CTF 2025 (Qualifying Round)

Date: 19 - 21 déc. 2025 à 09:00

Location: online

Duration: 2 days

Format: Jeopardy

Upcoming

0CTF 2025

Date: 20 - 22 déc. 2025 à 01:00

Location: online

Duration: 2 days

Format: Jeopardy

Upcoming

TSG CTF 2025

Date: 20 - 21 déc. 2025 à 08:00

Location: online

Duration: 1 day

Format: Jeopardy

Upcoming

ASIS CTF Final 2025

Date: 27 - 28 déc. 2025 à 15:00

Location: online

Duration: 1 day

Format: Jeopardy

Upcoming

hxp 39C3 CTF

Date: 27 - 29 déc. 2025 à 21:00

Location: online

Duration: 2 days

Format: Jeopardy

Upcoming

RUSEC CTF 2025

Date: 9 - 12 janv. 2026 à 01:00

Location: online

Duration: 3 days

Format: Jeopardy

Upcoming

UofTCTF 2026

Date: 10 - 12 janv. 2026 à 01:00

Location: online

Duration: 2 days

Format: Jeopardy

Upcoming

SWIMMER OSINT CTF

Date: 17 - 17 janv. 2026 à 04:10

Location: online

Duration: 12 hours

Format: Jeopardy

Upcoming

Säkerhets-SM Quals

Date: 24 - 25 janv. 2026 à 17:00

Location: online

Duration: 1 day

Format: Jeopardy

Upcoming

Jeanne d'Hack CTF 2026 | 3ème Édition

Date: 30 - 30 janv. 2026 à 10:00

Location: France, Rouen

Duration: 9 hours

Format: Jeopardy

Upcoming

Undutmaning 2026

Date: 21 - 21 mars 2026 à 12:00

Location: online

Duration: 8 hours

Format: Jeopardy

Upcoming

UMassCTF 2026

Date: 10 - 12 avril 2026 à 23:00

Location: online

Duration: 2 days

Format: Jeopardy

Upcoming

Midnight Sun CTF 2026 Quals

Date: 11 - 12 avril 2026 à 11:00

Location: online

Duration: 1 day

Format: Jeopardy

Upcoming

BlueHens CTF 2025

Date: 17 - 19 avril 2026 à 18:00

Location: online

Duration: 1 day 12 hours

Format: Jeopardy

Upcoming

PHONIX VIPER NOVA CTF#2

Date: 8 - 10 mai 2026 à 11:00

Location: Romania, Bucharest

Duration: 2 days 7 hours

Format: Jeopardy