CTF Time

Name: Metared Argentina 2025 (an Metared Argentina event.)
Date: Dec. 4, 2025, noon — 05 Dec. 2025, 12:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.cert.unlp.edu.ar/
Rating weight: 0.00
Event organizers: CERTUNLP

Name: BlackHat MEA CTF Final 2025 (an Blackhat MEA CTF event.)
Date: Dec. 2, 2025, 8 a.m. — 04 Dec. 2025, 15:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Riyadh
Offical URL: https://blackhatmea.com/capture-the-flag
Rating weight: 22.50
Event organizers: SAFCSP

Name: Ukrainian National CTF (an Ukrainian National CTF event.)
Date: Nov. 20, 2025, midnight — 01 Dec. 2025, 00:00 UTC  [add to calendar]
Format: Hack quest
On-line
Offical URL: https://hackenproof.com/gur-national-ctf-en
Rating weight: 0
Event organizers: Hacken Proof

Name: HeroCTF v7 (an HeroCTF event.)
Date: Nov. 28, 2025, 8 p.m. — 30 Nov. 2025, 22:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.heroctf.fr/
Rating weight: 65.00
Event organizers: HeroCTF

Name: Haix-la-Chapelle 2025 (an Haix-la-Chapelle event.)
Date: Nov. 29, 2025, 9 a.m. — 30 Nov. 2025, 09:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://haix-la-chapelle.eu/
Rating weight: 24.00
Event organizers: Pwn-la-Chapelle

Name: LakeCTF Quals 25-26 (an LakeCTF event.)
Date: Nov. 28, 2025, 6 p.m. — 29 Nov. 2025, 18:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://lakectf.epfl.ch/
Rating weight: 45.00
Event organizers: polygl0ts

Name: m0leCon 2026 Beginner CTF (an m0leCon CTF event.)
Date: Nov. 29, 2025, 1 p.m. — 29 Nov. 2025, 18:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://beginner.m0lecon.it/
Rating weight: 0
Event organizers: pwnthem0le

Name: WP CTF 2025 (an WP CTF event.)
Date: Nov. 29, 2025, 8 a.m. — 29 Nov. 2025, 16:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: NOI Techark, Bolzano, Italy
Offical URL: https://wpctf.it/
Rating weight: 0.00
Event organizers: WP CTF

Name: 2025 Qiangwang Challenge on Cyber Mimic Defense Finals (an Qiangwang Challenge on Cyber Mimic Defense event.)
Date: Nov. 26, 2025, 4 a.m. — 29 Nov. 2025, 04:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Nanjing, China
Offical URL: https://nest.pmlabs.com.cn/#/internationalEliteChallenge
Rating weight: 25.00
Event organizers: LoveFromMimic

Name: PatriotCTF 2025 (an PatriotCTF event.)
Date: Nov. 21, 2025, 6 p.m. — 23 Nov. 2025, 18:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: http://pctf.competitivecyber.club/
Rating weight: 42.42
Event organizers: Competitive Cyber at Mason

Name: GlacierCTF 2025 (an Glacier CTF event.)
Date: Nov. 22, 2025, 6 p.m. — 23 Nov. 2025, 18:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://play.glacierctf.com/
Rating weight: 52.57
Event organizers: LosFuzzys

Name: snakeCTF 2025 Finals (an snakeCTF event.)
Date: Nov. 20, 2025, 8 a.m. — 23 Nov. 2025, 13:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Lignano Sabbiadoro, Udine, Italy
Offical URL: https://snakectf.org/
Rating weight: 21.00
Event organizers: MadrHacks

Name: Infosec University Hackathon 2025 (an Synchrony Infosec University Hackathon event.)
Date: Nov. 23, 2025, 2 a.m. — 23 Nov. 2025, 07:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Location: https://syfinfosechackathon.info/
Offical URL: https://syfinfosechackathon.info/
Rating weight: 0
Event organizers: Synchrony Infosec University Hackathon

Name: sknbCTF 2025 (an sknbCTF event.)
Date: Nov. 22, 2025, 3 a.m. — 23 Nov. 2025, 03:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Location: http://ctf.sknb.team/
Offical URL: http://ctf.sknb.team/
Rating weight: 24.68
Event organizers: sknb

Name: CyberSci Regional Qualifiers 2025-26 (an CyberSci event.)
Date: Nov. 22, 2025, 3 p.m. — 22 Nov. 2025, 22:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Onsite at 6 locations in Canada
Offical URL: https://cybersecuritychallenge.ca/
Rating weight: 25.00
Event organizers: CyberSciOrganizers

Name: CTFZone 2025 Final (an CTFZone event.)
Date: Nov. 22, 2025, 9 a.m. — 22 Nov. 2025, 17:00 UTC  [add to calendar]
Format: Attack-Defense
On-line
Offical URL: https://ctfz.zone/
Rating weight: 96.90
Event organizers: BIZone

Name: Hardwear.io NL 2025 Hardware CTF (an Hardware CTF event.)
Date: Nov. 20, 2025, 9 a.m. — 21 Nov. 2025, 12:50 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: NL, Amsterdam
Offical URL: https://hwc.tf/
Rating weight: 0.00
Event organizers: Hardware CTF by Quarkslab

Name: MetaCTF November 2025 Flash CTF (an MetaCTF event.)
Date: Nov. 20, 2025, 10 p.m. — 21 Nov. 2025, 00:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://mctf.io/nov2025
Rating weight: 0
Event organizers: MetaCTF

Name: AmateursCTF 2025 (an AmateursCTF event.)
Date: Nov. 14, 2025, midnight — 18 Nov. 2025, 00:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.amateurs.team/
Rating weight: 35.56
Event organizers: les amateurs de la competition ctf

Name: Pointer Overflow CTF - 2025 (an Pointer Overflow CTF event.)
Date: Sept. 14, 2025, 2 p.m. — 16 Nov. 2025, 14:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Location: https://pointeroverflowctf.com/
Offical URL: https://pointeroverflowctf.com/
Rating weight: 0
Event organizers: UWSP Pointers