Complex sentence: Atle Skårdal was the first in 1990 and Lasse Kjus won twice, in 1999 and 2004; both of Kjus' victories were "extra" races, held on Friday and Thursday, respectively.
Split into simpler sentences: Atle Skårdal was the first in 1990 and Lasse Kjus won twice, in 1999 and 2004. Both of Kjus' victories were "extra" races, held on Friday and Thursday, respectively.