2026 HackTheon Sejong

Preliminaries	Number of participating teams: No limit Date and method: April 25, 2026 (Sat) 10:00 a.m. - 5:00 p.m. (KST) / Online Format: CTF Problem-solving (Jeopardy) ※ The Advanced and Beginner divisions share the same questions. Result of Preliminaries: Top 40 teams (20 Advanced, 10 Beginner A, 10 Beginner B) will progress to the finals ※ Complimentary accommodations are provided for finalists (International teams: July 8–9, 2 nights / Domestic teams: July 9, 1 night)
Finals	Number of participating teams : Top 40 teams in the preliminaries (20 Advanced, 10 Beginner A, 10 Beginner B) Date and Time/Place: July 9 (Thu), 2026 10:00 a.m.-4:00 p.m. (KST) / Government Sejong Convention Center. Format: CTF Problem-solving (Jeopardy) ※ The Advanced and Beginner divisions share the same questions. Final Results: Awards to the top 14 teams(7 Advanced, 7 Beginner)

Preliminaries

Number of participating teams: No limit
Date and method: April 25, 2026 (Sat) 10:00 a.m. - 5:00 p.m. (KST) / Online
Format: CTF Problem-solving (Jeopardy) ※ The Advanced and Beginner divisions share the same questions.
Result of Preliminaries: Top 40 teams (20 Advanced, 10 Beginner A, 10 Beginner B) will progress to the finals
※ Complimentary accommodations are provided for finalists (International teams: July 8–9, 2 nights / Domestic teams: July 9, 1 night)

Finals

Number of participating teams : Top 40 teams in the preliminaries (20 Advanced, 10 Beginner A, 10 Beginner B)
Date and Time/Place: July 9 (Thu), 2026 10:00 a.m.-4:00 p.m. (KST) / Government Sejong Convention Center.
Format: CTF Problem-solving (Jeopardy) ※ The Advanced and Beginner divisions share the same questions.
Final Results: Awards to the top 14 teams(7 Advanced, 7 Beginner)