WinterChallenge 2026 Registration Form

Welcome the the IEOx WinterChallenge 2026! An online competition for young people under 21 years old, related to Economics, Finance & Business!

Either you want to sign up as an individual or as a team, take 3 minutes to complete the following form. If you have any questions, please contact winterchallengeieox@gmail.com

Firstly, how did you find out about the IEOx WinterChallenge?

Friends / Family
A teacher / professor
My (our) school / university
Advertising on social media
National Olympiad at my (our) country
A direct invitation by IEO officials
Other
Prefer not to inform

Are you registering as an individual or as a team?

Individual

Team

If you register as an individual, then we will assign you to a team.
If you register as a team, then we will keep its roster unchanged — and we need only ONE registration for the whole team.

Individual registration

Your First Name

Your Last Name

Your Date of Birth

Your Gender

Female

Male

Other

Prefer not to say

Citizenship/residency

Choose it from the list below. If you have multiple citizenships (or none), choose a single country to represent at the IEOx WinterChallenge 2026.

Email Address

For official communications of the IEOx WinterChallenge and use in our online examination platforms. Please make sure you can access it — and check it regularly (including the spam folder).

Your Phone Number

Have you ever attended any other IEO event?

Choose your preferred communications channel.

WeChat

Fill in your Telegram username:

Fill in your WeChat ID:

We understand some of our participants have no access to WhatsApp but can use WeChat. If needed, we will also use a channel there as a backup for these contestants.

Are you over or under 18?

Over (>=18) // Under (<18)

Over

Under

Please provide your legal guardian's name. We will send them a separate confirmation email to make sure they acknowledge your attendance.

Legal guardian's email address.

What is the relationship between the guardian and the contestant?

Do you represent an institution (school, university, company, etc.)

Yes

No

What is the name of your institution?

What kind of institution is it?

Informed Consent

Finally, for legal reasons, we need your consent (or that of a parent/ legal guardian, if you are under 18 years old) for storing and processing their personal data. This is required for your participation at the IEOx WinterChallenge. You may review the contract through this link. By checking the form below, you (or your parent/ legal guardian) is giving the IEOx WinterChallenge Workgroup informed consent to store and process your personal data in the conditions expressed above. P.S. You do NOT need to print out the document, sign it manually or scan it. Just checking the box is enough.

By clicking this option, I agree with the above information.

Team Registration

Please give your team a name. Be creative! (Offensive names are not allowed.)

Your team is:

NOT willing or able to accept any more members (fully formed team)

Able to accept more members

Does your team represent an institution?

Yes, our team represents an institution

No, our team does not represent an institution

What is the name of your team's institution?

What kind of institution is it?

Does your team have an instructor?

An instructor can be a teacher, professor, manager, leader, etc. who supports your team in preparing and participating in the IEOx WinterChallenge but does NOT compete directly.

Yes, our team has an instructor

No, we are on our own without any instructors

Instructor's Details

Instructor: First Name

Instructor: Last Name

Instructor: Date Of Birth

Instructor: E-mail Address

Instructor: Phone Number

Number of team members

2

3

4

5

Team Member #1 Details

Team Member #1: First Name

Team Member #1: Last Name

Team Member #1: Date Of Birth

Team Member #1: Gender

Female

Male

Other

Prefer not to say

Team Member #1: E-mail Address

For this and further emails, please make sure you can access the corresponding mailbox — and check it regularly (including the spam folder). The emails that you provide will be used for official communications of the IEOx WinterChallenge and use in our online examination platforms.

Team Member #1: Phone Number

Team Member #1: Country

Choose it from the list below. If you have multiple citizenships (or none), choose a single country to represent at the IEOx WinterChallenge 2026.

Has Team Member #1 ever attended any other IEO event?

Team member #1: Choose your preferred communications channel.

WeChat

Team Member #1: Telegram Username

Team Member #1: WeChat ID

We understand some of our participants have no access to WhatsApp but can use WeChat. If needed, we will also use a channel there as a backup for these contestants.

Is Team Member #1 under or over 18?

Over (>=18) // Under (<18)

Under

Over

Please provide Team Member's #1 legal guardian's name. We will send them a separate confirmation email to make sure they acknowledge your attendance.

Team Member #1: Legal guardian's email address.

Team Member #1: What is the relationship between the guardian and the contestant?

Team Member #1: Informed Consent

Finally, for legal reasons, we need your consent (or that of a parent/ legal guardian, if you are under 18 years old) for storing and processing their personal data. This is required for your participation at the IEOx WinterChallenge. You may review the contract through this link. By checking the form below, you (or your parent/ legal guardian) is giving the IEOx WinterChallenge Workgroup informed consent to store and process your personal data in the conditions expressed above. P.S. You do NOT need to print out the document, sign it manually or scan it. Just checking the box is enough.

By clicking this option, I agree with the above information.

Team Member #2 Details

Team Member #2: First Name

Team Member #2: Last Name

Team Member #2: Date Of Birth

Team Member #2: Gender

Female

Male

Other

Prefer not to say

Team Member #2: E-mail Address

Team Member #2: Phone Number

Team Member #2: Country

Choose it from the list below. If you have multiple citizenships (or none), choose a single country to represent at the IEOx WinterChallenge 2026.

Has Team Member #2 ever attended any other IEO event?

Team member #2: Choose your preferred communications channel.

WeChat

Team member #2: Telegram Username

Team member #2: WeChat ID

We understand some of our participants have no access to WhatsApp but can use WeChat. If needed, we will also use a channel there as a backup for these contestants.

Is Team Member #2 under or over 18?

Over (>=18) // Under (<18)

Under

Over

Please provide Team Member's #2 legal guardian's name. We will send them a separate confirmation email to make sure they acknowledge your attendance.

Team Member #2: Legal guardian's email address.

Team Member #2: What is the relationship between the guardian and the contestant?

Team Member #2 Informed Consent

Finally, for legal reasons, we need your consent (or that of a parent/ legal guardian, if you are under 18 years old) for storing and processing their personal data. This is required for your participation at the IEOx WinterChallenge. You may review the contract through this link. By checking the form below, you (or your parent/ legal guardian) is giving the IEOx WinterChallenge Workgroup informed consent to store and process your personal data in the conditions expressed above. P.S. You do NOT need to print out the document, sign it manually or scan it. Just checking the box is enough.

By clicking this option, I agree with the above information.

Team Member #3 Details

Team Member #3: First Name

Team Member #3: Last Name

Team Member #3: Date Of Birth

Team Member #3: Gender

Female

Male

Other

Prefer not to say

Team Member #3: E-mail Address

Team Member #3: Phone Number

Team Member #3: Country

Choose it from the list below. If you have multiple citizenships (or none), choose a single country to represent at the IEOx WinterChallenge 2026.

Has Team Member #3 ever attended any other IEO event?

Team member #3: Choose your preferred communications channel.

WeChat

Team member #3: Telegram Username

Team member #3: WeChat ID

Is Team Member #3 under or over 18?

Over (>=18) // Under (<18)

Under

Over

Please provide Team Member's #3 legal guardian's name. We will send them a separate confirmation email to make sure they acknowledge your attendance.

Team Member #3: Legal guardian's email address.

Team Member #3: What is the relationship between the guardian and the contestant?

Team Member #3: Informed Consent

Finally, for legal reasons, we need your consent (or that of a parent/ legal guardian, if you are under 18 years old) for storing and processing their personal data. This is required for your participation at the IEOx WinterChallenge. You may review the contract through this link. By checking the form below, you (or your parent/ legal guardian) is giving the IEOx WinterChallenge Workgroup informed consent to store and process your personal data in the conditions expressed above. P.S. You do NOT need to print out the document, sign it manually or scan it. Just checking the box is enough.

By clicking this option, I agree with the above information.

Team Member #4 Details

Team Member #4: First Name

Team Member #4: Last Name

Team Member #4: Date Of Birth

Team Member #4: Gender

Female

Male

Other

Prefer not to say

Team Member #4: E-mail Address

Team Member #4: Phone Number

Team Member #4: Country

Choose it from the list below. If you have multiple citizenships (or none), choose a single country to represent at the IEOx WinterChallenge 2026.

Has Team Member #4 ever attended any other IEO event?

Team member #4: Choose your preferred communications channel.

WeChat

Team member #4: Telegram Username

Team member #4: WeChat ID

Is Team Member #4 under or over 18?

Over (>=18) // Under (<18)

Under

Over

Please provide Team Member's #4 legal guardian's name. We will send them a separate confirmation email to make sure they acknowledge your attendance.

Team Member #4: Legal guardian's email address.

Team Member #4: What is the relationship between the guardian and the contestant?

Team Member #4: Informed Consent

Finally, for legal reasons, we need your consent (or that of a parent/ legal guardian, if you are under 18 years old) for storing and processing their personal data. This is required for your participation at the IEOx WinterChallenge. You may review the contract through this link. By checking the form below, you (or your parent/ legal guardian) is giving the IEOx WinterChallenge Workgroup informed consent to store and process your personal data in the conditions expressed above. P.S. You do NOT need to print out the document, sign it manually or scan it. Just checking the box is enough.

By clicking this option, I agree with the above information.

Team Member #5 Details

Team Member #5: First Name

Team Member #5: Last Name

Team Member #5: Date Of Birth

Team Member #5: Gender

Female

Male

Other

Prefer not to say

Team Member #5: E-mail Address

Team Member #5: Phone Number

Team Member #5: Country

Choose it from the list below. If you have multiple citizenships (or none), choose a single country to represent at the IEOx WinterChallenge 2026.

Has Team Member #5 ever attended any other IEO event?

Team member #5: Choose your preferred communications channel.

WeChat

Team member #5: Telegram Username

Team member #5: WeChat ID

Is Team Member #5 under or over 18?

Over (>=18) // Under (<18)

Under

Over

Please provide Team Member's #5 legal guardian's name. We will send them a separate confirmation email to make sure they acknowledge your attendance.

Team Member #5: Legal guardian's email address.

Team Member #5: What is the relationship between the guardian and the contestant?

Team Member #5: Informed Consent

Finally, for legal reasons, we need your consent (or that of a parent/ legal guardian, if you are under 18 years old) for storing and processing their personal data. This is required for your participation at the IEOx WinterChallenge. You may review the contract through this link. By checking the form below, you (or your parent/ legal guardian) is giving the IEOx WinterChallenge Workgroup informed consent to store and process your personal data in the conditions expressed above. P.S. You do NOT need to print out the document, sign it manually or scan it. Just checking the box is enough.

By clicking this option, I agree with the above information.