Pellegrino akaberekerwa kuNus, akaita mutambo wake wekutanga kuWorld Cup mumwaka wa2009-10. Akawana zvibereko zvake zvakanakisisa mumitambo yekumhanyisa uye akakunda mukombe weSprint mumwaka wa2015 / 16, achiva wekutanga asiri weScandinavia kuhwina mukombe weSprint World Cup. Kubva musi wa30 Mbudzi 2018 Pellegrino akahwina gumi nemaviri kuhwina muWorld Cup, vese vari kumhanya: ane rekodhi yekukunda kwakawanda kwega kwega kwechiItaly muCross-Country World Cup. Akakunda menduru yake yekutanga yepasi rose mukusvetuka-nyika skiing ku2015 World Championships
muFalun, Sweden. Pamwe chete naDietmar Nöckler, Pellegrino akahwina menduru yebronze paTeam sprint, classic. Muna 2017 akazova World Champion mushure mekukunda mujaho wekumhanyisa freestyle panguva ye2017 World Championships muLahti, Finland. Iyi ndiyo yaiva menduru yegoridhe yokutanga yevarume vokuItaly muNordic Worlds kubvira Renato Pasini naCristian Zorzi vakakunda mujaho weboka muna 2007. Aive chikamu chechikwata cheItaly icho chakahwina menduru yechipiri yakateedzana yenyika pachiitiko chechikwata chekumhanyisa, panguva ino menduru yesirivheri pamwe chete newaaitamba naye Dietmar Nöckler.