Hjelperytteren

Hjelperytteren is a Norwegian feature film from 2019 written and directed by Jannicke Systad Jacobsen. The film is a drama film–black comedy starring Silje Salomonsen as the former professional cyclist Kim Karlsen, who, several years after she quit, admits to having used EPO as a performance-enhancing drug during her successful career.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.