| Name | Date | Format | Location | Weight | Notes |
|---|
| Incognito 7.0 | 14 April, 00:00 UTC — 15 April 2026, 00:00 UTC | Jeopardy |
On-line
| 16.56 | | 20 teams will participate
|
| CPCTF 2026 | 17 April, 11:00 UTC — 19 April 2026, 11:00 UTC | Jeopardy |
On-line
| 0 | | Individual |
| CTF@CIT 2026 | 17 April, 16:00 UTC — 19 April 2026, 19:00 UTC | Jeopardy |
On-line
| 23.93 | | 22 teams will participate
|
| BlueHens CTF 2026 | 17 April, 17:00 UTC — 19 April 2026, 05:00 UTC | Jeopardy |
On-line
| 44.77 | | 7 teams will participate
|
| squ1rrel CTF 2026 | 17 April, 23:00 UTC — 19 April 2026, 06:00 UTC | Jeopardy |
On-line
| 32.47 | | 3 teams will participate
|
| b01lers CTF 2026 | 18 April, 00:00 UTC — 20 April 2026, 00:00 UTC | Jeopardy |
On-line
| 66.00 | | 21 teams will participate
|
| Midnight Sun CTF 2026 Quals | 18 April, 10:00 UTC — 19 April 2026, 10:00 UTC | Jeopardy |
On-line
| 48.17 | | 156 teams will participate
|
| pingCTF 2026 | 18 April, 10:00 UTC — 19 April 2026, 10:00 UTC | Jeopardy |
On-line
| 46.20 | | 20 teams will participate
|
| JerseyCTF VI | 18 April, 19:00 UTC — 19 April 2026, 19:00 UTC | Jeopardy |
On-line
| 37.00 | | 12 teams will participate
|
| TRX CTF 2026 | 24 April, 19:00 UTC — 26 April 2026, 19:00 UTC | Jeopardy |
On-line
| 24.16 | | 6 teams will participate
|
| UMDCTF 2026 | 24 April, 22:00 UTC — 26 April 2026, 22:00 UTC | Jeopardy |
On-line
| 85.48 | | 33 teams will participate
|
| HACKTHEON SEJONG 2026 Qualifier | 25 April, 01:00 UTC — 25 April 2026, 08:00 UTC | Jeopardy |
On-line
| 0 | Academic teams only | 15 teams will participate
|
| CTF@AC26 - Quals | 25 April, 07:00 UTC — 26 April 2026, 07:00 UTC | Jeopardy |
On-line
| 24.53 | | 10 teams will participate
|
| MCTF 5.0 | 30 April, 19:00 UTC — 02 May 2026, 07:00 UTC | Jeopardy |
Algeria, Algiers
| 0.00 | | 2 teams will participate
|
| KubSTU CTF | 01 May, 07:00 UTC — 02 May 2026, 19:00 UTC | Jeopardy |
On-line
| 0.00 | | 5 teams will participate
|
| THEM?!CTF 2026 | 01 May, 18:00 UTC — 03 May 2026, 18:00 UTC | Jeopardy |
On-line
| 0.00 | | 14 teams will participate
|
| THCon 2K26 CTF | 07 May, 11:00 UTC — 08 May 2026, 11:00 UTC | Jeopardy |
On-line
| 34.67 | | 5 teams will participate
|
| PHONIX VIPER NOVA CTF#2 | 08 May, 10:00 UTC — 10 May 2026, 17:00 UTC | Jeopardy |
Romania, Bucharest
| 0.00 | | 9 teams will participate
|
| Break The Syntax CTF 2026 | 08 May, 16:00 UTC — 10 May 2026, 12:00 UTC | Jeopardy |
On-line
| 56.25 | | 7 teams will participate
|
| DAMCTF 2026 | 09 May, 00:00 UTC — 11 May 2026, 00:00 UTC | Jeopardy |
On-line
| 33.42 | | 3 teams will participate
|
| From Dusk Till Dawn Quals | 09 May, 09:00 UTC — 10 May 2026, 09:00 UTC | Jeopardy |
On-line
| 0.00 | | 9 teams will participate
|
| DaVinciCTF 2026 | 16 May, 08:00 UTC — 16 May 2026, 17:00 UTC | Jeopardy |
On-line
| 32.59 | | 3 teams will participate
|
| UralCUP 2026 | 17 May, 05:00 UTC — 17 May 2026, 13:00 UTC | Jeopardy |
On-line
| 0 | Academic teams only | 2 teams will participate
|
| TJCTF 2026 | 22 May, 16:00 UTC — 24 May 2026, 16:00 UTC | Jeopardy |
On-line
| 65.05 | | 7 teams will participate
|
| DEF CON CTF Qualifier 2026 | 22 May, 21:00 UTC — 24 May 2026, 21:00 UTC | Jeopardy |
On-line
| 63.22 | | 42 teams will participate
|
| SecLeaf Q2 CTF 2026 | 23 May, 14:00 UTC — 24 May 2026, 14:00 UTC | Jeopardy |
On-line
| 0 | | Individual |
| Hardwear.io USA 2026 Hardware CTF | 29 May, 17:00 UTC — 30 May 2026, 20:50 UTC | Jeopardy |
US, Santa Clara
| 0.00 | | 2 teams will participate
|
| Pwn2Play Open CTF | 30 May, 09:00 UTC — 30 May 2026, 18:00 UTC | Jeopardy |
On-line
| 0 | Casual | 0 teams will participate
|
| Grey Cat The Flag 2026 Qualifiers | 31 May, 12:00 UTC — 01 June 2026, 12:00 UTC | Jeopardy |
On-line
| 47.50 | | 10 teams will participate
|
| GPN CTF 2026 | 05 June, 10:00 UTC — 06 June 2026, 22:00 UTC | Jeopardy |
On-line
| 69.00 | | 15 teams will participate
|
| SAS CTF 2026 Quals | 06 June, 12:00 UTC — 07 June 2026, 12:00 UTC | Jeopardy |
On-line
| 31.00 | | 17 teams will participate
|
| SSMCTF 2026 Qualifiers | 07 June, 10:00 UTC — 08 June 2026, 10:00 UTC | Jeopardy |
On-line
| 0.00 | | 24 teams will participate
|
| CyberSci Nationals 2025-2026 | 13 June, 13:00 UTC — 14 June 2026, 23:00 UTC | Jeopardy |
Ottawa, Canada
| 0.00 | | 2 teams will participate
|
| Crypto CTF 2026 | 13 June, 14:00 UTC — 14 June 2026, 14:00 UTC | Jeopardy |
On-line
| 91.00 | | 26 teams will participate
|
| Google Capture The Flag 2026 | 19 June, 18:00 UTC — 21 June 2026, 18:00 UTC | Jeopardy |
On-line
| 88.82 | | 30 teams will participate
|
| SekaiCTF 2026 | 27 June, 08:00 UTC — 29 June 2026, 08:00 UTC | Jeopardy |
On-line
| 79.25 | | 11 teams will participate
|
| Grey Cat The Flag 2026 Finals | 28 June, 02:00 UTC — 29 June 2026, 02:00 UTC | Jeopardy |
Singapore
| 0.00 | | 1 teams will participate
|
| No Hack No CTF 2026 | 04 July, 00:00 UTC — 06 July 2026, 00:00 UTC | Jeopardy |
On-line
| 23.47 | | 2 teams will participate
|
| R3CTF 2026 | 04 July, 02:00 UTC — 06 July 2026, 02:00 UTC | Jeopardy |
On-line
| 35.95 | | 1 teams will participate
|
| L3akCTF 2026 | 10 July, 18:00 UTC — 12 July 2026, 18:00 UTC | Jeopardy |
On-line
| 34.47 | | 18 teams will participate
|
| OmniCTF 2026 Quals | 17 July, 15:00 UTC — 19 July 2026, 15:00 UTC | Jeopardy |
On-line
| 0.00 | | 3 teams will participate
|
| DownUnderCTF 2026 | 17 July, 19:30 UTC — 19 July 2026, 19:30 UTC | Jeopardy |
On-line
| 94.99 | | 23 teams will participate
|
| UIUCTF 2026 | 25 July, 00:00 UTC — 27 July 2026, 00:00 UTC | Jeopardy |
On-line
| 69.35 | | 5 teams will participate
|
| D^3CTF 2026 | 25 July, 12:00 UTC — 26 July 2026, 12:00 UTC | Jeopardy |
On-line
| 69.22 | | 4 teams will participate
|
| Universal CTF | 01 Aug., 07:00 UTC — 02 Aug. 2026, 15:00 UTC | Jeopardy |
On-line
| 0.00 | | 0 teams will participate
|
| scriptCTF 2026 | 08 Aug., 00:00 UTC — 10 Aug. 2026, 00:00 UTC | Jeopardy |
On-line
| 24.70 | | 12 teams will participate
|
| gaslightCTF 2026 | 14 Aug., 12:00 UTC — 17 Aug. 2026, 12:00 UTC | Jeopardy |
On-line
| 0.00 | | 3 teams will participate
|
| BrunnerCTF 2026 | 21 Aug., 12:00 UTC — 23 Aug. 2026, 12:00 UTC | Jeopardy |
On-line
| 24.66 | | 10 teams will participate
|
| ASIS CTF Quals 2026 | 29 Aug., 14:00 UTC — 30 Aug. 2026, 14:00 UTC | Jeopardy |
On-line
| 90.53 | | 42 teams will participate
|
| NNS CTF 2026 | 04 Sept., 16:00 UTC — 06 Sept. 2026, 16:00 UTC | Jeopardy |
On-line
| 25.00 | | 5 teams will participate
|
| K17 CTF 2026 | 11 Sept., 10:00 UTC — 13 Sept. 2026, 10:00 UTC | Jeopardy |
On-line
| 24.83 | | 3 teams will participate
|
| Pointer Overflow CTF - 2026 | 27 Sept., 14:00 UTC — 06 Dec. 2026, 14:00 UTC | Jeopardy |
On-line
| 0 | | 7 teams will participate
|
| Hack.lu CTF 2026 | 23 Oct., 18:00 UTC — 25 Oct. 2026, 18:00 UTC | Jeopardy |
On-line
| 94.74 | | 7 teams will participate
|
| WolvCTF 2026 | 13 Nov., 23:00 UTC — 15 Nov. 2026, 23:00 UTC | Jeopardy |
On-line
| 0.00 | | 44 teams will participate
|
| Platypwn 2026 | 14 Nov., 09:00 UTC — 15 Nov. 2026, 21:00 UTC | Jeopardy |
On-line
| 37.00 | | 10 teams will participate
|
| SwampCTF 2026 | 20 Nov., 21:00 UTC — 22 Nov. 2026, 21:00 UTC | Jeopardy |
On-line
| 0.00 | | 3 teams will participate
|
| ASIS CTF Finals 2026 | 27 Dec., 14:00 UTC — 28 Dec. 2026, 14:00 UTC | Jeopardy |
On-line
| 99.38 | | |
