Boivin made the first ski descents of the following mountains and faces, amongst others: the Frendo Spur on the Aiguille du Midi on 2 July 1977; the south face of Huascarán and the north faces of Pisco and Kitarahu (all in the Andes) in 1978; the east face of the Matterhorn, on which he skied slopes of more than 60 degrees (from the Shoulder, after which he soloed the Schmid route on the north face in 4 hours 10 minutes) on 6 June 1980; Y-shaped Gully on the Aiguille Verte on 26 February 1985; Nant Blanc face of the Aiguille Verte on 12 June 1989. On 17 April 1987 he made a ski enchaînement of five descents: south-east face of the Aiguille du Moine (1st descent); south face of the Aiguille du Dru (1st descent); Whymper Couloir on the Aiguille Verte; north-east face of Les Courtes; finishing off with a descent of the Grandes Jorasses.