2026

*

WINTER

CHALLENGE

refreshed

WHAT'S

NEW

(Business Case)

Economics round

2 weeks

1 mandatory round

Open questions in

?

WHAT'S

SAME

Biggest IEOx event

Full IEO experience

?

instructors

2026

Winter Challenge 2021 was the first WiC to be held ever. It was organized and hosted by IEOx team members.

Winter Challenge 2022 was the second WiC to be held with more than 1000 registrations. It was hosted by IEOx WiC Workgroup.

Winter Challenge 2023, featured over 1600 participants from 66 countries in February, organised by the IEOx team.

WiC

LECTURES

WiConomics

& Regulations of Competition