Passo del Mortirolo, usually a mid-stage ascent, was introduced to Giro d’Italia in 1990. The first rider on the top was the Venezuelan Leonardo Sierra.
There is a monument to Marco Pantani at 8 km from the top (from the side of Mazzo di Valtellina).Also, there is a special prize for the rider first atop, named after Pantani, theefore Mortirolo Pass is dubbed as Cima Pantani.
All the Giro-appearances of Passo del Mortirolo and the riders crossed the top first:
1990 Leonardo Sierra
1991 Franco Chioccioli
1994 Marco Pantani
1996 Ivan Gotti
1997 Wladimir Belli
1999 Ivan Gotti
2004 Raffaele Illiano
2006 Ivan Basso
2008 Tom Colom
2010 Ivan Basso
2012 Oliver Zaugg
2015 Steven Kruijswijk
2017 Luis León Sánchez
2019 Giulio Ciccone
2022 Koen Bouwman
Passo del Mortirolo will be part of the 15th stage at Giro d’Italia 2024.