[2] Pellegrino is a world champion and Olympic silver medalist in cross-country skiing.

[5] He won his first international medal in cross-country skiing at the 2015 World Championships in Falun, Sweden.

Together with Dietmar Nöckler, Pellegrino won a bronze medal on Team sprint, classic.

This was the first gold medal for the Italian men at the Nordic Worlds since Renato Pasini and Cristian Zorzi won the team sprint in 2007.

[6] Pellegrino has been in a relationship with fellow cross-country skier Greta Laurent[7] since 2012, having previously been a couple during their school-age careers.