Complex sentence: In his first event, the 10 km individual normal hill event, Spillane won the silver medal-the first American medal in the sport of Nordic Combined, and only the third American medal to be earned in any Nordic sport.
Split into simpler sentences: In his first event, the 10 km individual normal hill event, Spillane won the silver medal. This is the first American medal in the sport of Nordic combined, and only the third medal in any Nordic sport.