Usernames will be visible on the scoreboard. They must consist of 1-20 alphanumeric characters. Choose it carefully as you won't be able to change it later.

Please note that your country of residence must be on the list in order to be eligible to take part in the Competition.

For this pilot project of the challenge its geographic scope had to be chosen based on a combination of operational, legal, and logistical considerations. We apologize if the challenge isn't available in your region, and we sincerely hope to expand eligibility in future editions of the challenge!

T-Shirt are a unisex fit and their sizes are according to the EU standard.

By registering you are confirming that you are eligible to take part in the Competition according to the eligibility rules in the Terms of Participation (in particular, age and country of residence) and you express your agreement with the Competition Rules and the Terms of Participation.