- **December 2025**: [Registration opens for all LifeCLEF challenges] (https://clef-labs-registration.dipintra.it/registrationForm.php) **❗Required for each team❗**
- **4 Feb 2026**: Competition Start
- **30 April 2026**: Competition Deadline
- **21 May 2026**: Deadline for submission of working note papers by participants [CEUR-WS proceedings]
- **30 June 2026**: Notification of acceptance - working note papers [CEUR-WS proceedings].
- **6 July 2026**: Camera-ready deadline for working note papers.
- **21-24 Sept 2026**: CLEF 2026 Jena - Germany.

_All deadlines are at 11:59 PM CET of the corresponding day unless otherwise stated._ 

**The competition organizers reserve the right to update the contest timeline if they deem it necessary.**