An athlete is active - this means that one of the following actions has been performed:
                - Participated in the offline stage, or have an active application for the upcoming stage, starting from the selected date
                -  Participated in GGP (result must be accepted or currently under review) starting from the selected date
                - Sent the result for any base figure, starting from the selected date
                - Participated in the online stage (result must be active), starting from the selected date
                - Registration on the site appeared no earlier than 30 days ago