Blanc is born in Bourg-Saint-Maurice. He started ski mountaineering in 1992 and competed first at the Pierra Menta race in 1994. 2001: Pierra Menta 5th, together with Cyril Champange 4th, together with Cyril Champange 3rd, together with Alexandre Pellicier Trofeo Mezzalama 7th, together with Grégory Gachet and Cyril Champange Patrouille des Glaciers.
2001: 4th, European Championship team race (together with Cyril Champange) 2002: 4th, World Championship team race (together with Cyril Champange) 7th, World Championship combination ranking 2003: 7th, European Championship team race (together with Cyril Champange) 2005: 4th, European Championship team race (together with Vincent Meilleur) 4th, European Championship relay race (together with Florent Perrier, Grégory Gachet and Tony Sbalbi) 8th, European Championship single race 2007: 3rd, European Championship relay race (together with Yannick Buffet, Tony Sbalbi and Fabien Anselmet) 7th, European Championship team race (together with Yannick Buffet) 1999: 10th, together with Cyril Champange 2000: 9th, together with Cyril Champange 2001: 6th, together with Cyril Champange 2002: 5th, together with Cyril Champange 2003: 4th, together with Cyril Champange 2004: 7th, together with Cyril Champange 2006: 5th, together with Vincent Meilleur 2007: 3rd, together with Alexandre Pellicier 2003: 7th, together with Grégory Gachet and Cyril Champange 2008: 2nd, together with Florent Perrier and Grégory Gachet.
He has been member of the national team since 2000.
