The test had to suspend this year, by Covid-19 and was planned for July 4, 2021
This morning at 10:00 a.m., pre-registrations for the 2021 edition of one of the most important events in the world and the “flag” of the Challenge Family franchise, Challenge Roth, have opened.
Today users have not had to pay, since it is a "place reservation". Later on, the organization will send each registrant the instructions to formalize the registration.
https://roth-preregister.r.mikatiming.net/2021/?lang=EN
It should be borne in mind that all those registered for 2020, had a place in 2021, so the number of participations was lower.
If you try to enroll now, the system will display the following message: