Registration Information
We are pleased to announce that registration for the 26th Congress and General Assembly of the International Union of Crystallography (IUCr2026) is open! Be sure to read the registration guidelines before starting your online registration.
Admission to all Congress sessions, 11 - 18 August 2026
Admission to the IUCr 2026 Exhibition
Delegate materials (eco-friendly congress bag and pocket program)
Ticket to the Welcome Reception, 11 August 2026
Catering including morning tea, lunch, and afternoon tea daily (starting August 12)
Ticket to the Congress Gala Dinner, 17 August 2026
Complimentary Calgary CTrain pass for the duration of the congress
Comprehensive access to the scientific program with personalized scheduling tools
Admission to outreach events during the congress week
Access to structured networking activities and dedicated wellness/recharge spaces
Discounts at select Calgary attractions and tours
Unlimited access to all poster presentations
Registration for IUCr2026 has been designed to offer flexibility and value for all participants. A range of categories and rates are available to accommodate students, early-career researchers, retirees, guests, and full delegates, with discounted early-bird pricing for those who register in advance. We encourage attendees to review the options carefully and select the category that best fits their circumstances in order to take full advantage of the benefits of early registration.
Workshop Registration Rates
Workshops can be selected during the registration process. Please review the workshop dates and times carefully to avoid scheduling conflicts.
Registration Levels & Definitions
Regular
Standard registration rate for participants who do not qualify for student, retired, exhibitor, or sponsor rates.
Access: Session rooms, exhibit hall, food & beverage at events; includes tickets to the Opening Reception and Closing Gala.Student
Open to current full- or part-time students at recognized secondary or post-secondary institutions, along with postdoctoral scholars and early-career researchers (typically within 5 years of their terminal degree or up to age 30, with consideration to age 35 in exceptional cases).
Please be prepared to provide documentation verifying your student or early-career status.Access: Same as Regular.
Retiree
Person over 65 years old and not "regularly" employed.
Access: Same as Regular.Exhibit Staff
Individual employed by or representing an exhibiting company, attending solely to manage/support that company’s booth. Not entitled to participate in the scientific program unless separately registered.
Access: Exhibit hall, food & beverage at events.Full Guest
Someone over age 16 not joining scientific sessions but participating in social events; must be registered with a full participant.
Access: Exhibit hall, food & beverage at events; includes tickets to Opening Reception and Closing Gala.Children Under 16 (Free)
No registration required. Must be accompanied/supervised at all times by a registered adult participant.
Access: One ticket to the Welcome Reception and one ticket to the Closing Gala.
To take advantage of reduced early-bird registration rates, all fees must be paid in full by the early-bird deadline (March 31, 2026). Standard rates apply for payments made after this date. All payments must be received before participants can access the Congress. Unpaid registrations will not be processed, and onsite rates will apply for registrations not completed in advance.
If you plan to apply for a bursary award, please contact Kristina Vitale (kvitale@iucr2026.org) before registering to request a temporary registration code. This code will allow you to complete your registration without payment until bursary decisions have been announced.
Please note that hotel accommodations are not included in the registration fee. Attendees are responsible for making their own lodging arrangements. A limited number of rooms have been reserved at discounted rates for Congress participants—visit the Accommodations page for details and booking information.
All registration fees for IUCr2026 must be paid by credit card (Visa, MasterCard, or American Express) at the time of registration. This ensures immediate confirmation of your registration.
If paying by credit card presents a challenge, please contact the Congress Secretariat (info@iucr2026.org) to discuss alternative arrangements.
Cancellations received, in writing by May 31, 2026, will be refunded in full, less a USD $100 administrative fee. Between June 1 and July 1, 2026, a 50% refund will be issued. After July 1, 2026, no refunds will be provided.
Exception: If an attendee is officially denied a visa after submitting a complete and timely application, a 100% refund of the registration fee will be issued upon receipt of official documentation confirming the visa denial. The refund request and documentation must be submitted in writing to the Congress Secretariat.
All cancellation requests must be submitted in writing to the Congress Secretariat (info@iucr2026.org).
International delegates are responsible for ensuring they have valid travel documents for entry into Canada. Most participants will require a valid passport, and some may need a Temporary Resident Visa (TRV) or Electronic Travel Authorization (eTA). Processing times vary widely; we strongly encourage participants to apply early. Invitation letters for visa applications are available upon request after registration and payment are confirmed.
Onsite daycare will be available throughout IUCr2026 to support participants attending the Congress. A flat fee of USD $100 per child applies for the full duration of the event, regardless of the number of days attended. Daycare will operate daily from 9:00 AM to 5:00 PM, August 12-18, 2026. This service is designed to provide safe, reliable care for children while parents or guardians participate in the scientific program. Spaces are limited and must be reserved in advance by applying through the registration form. Once the parent is registered and the per-child fee is paid, they will be directed to the daycare provider to arrange specific dates, drop-off times, and complete the child’s registration with the agency.