IChO 2026 Timeline

Important Dates

Key deadlines for participating and observer countries

Pre-registration

25 January – 1 March 2026

Initial confirmation of a country's intention to participate, including basic delegation information.

Payment Deadline

1 March – 1 May 2026

Final date by which the participation fee must be paid to confirm the delegation's attendance.

Detailed Registration

1 May – 1 June 2026

Submission of complete and finalized information about all delegation members and required documents.

Travel Information

1 May – 20 June 2026

Provision of arrival and departure details to arrange accommodation, transportation, and logistics.

58th IChO Event Dates
1 – 10 July 2026
Tashkent, Uzbekistan