Complex sentence: He earned a gold medal in the 4 x 10 km at the 1978 FIS Nordic World Ski Championships in Lahti he died in January 2008,60 years old.
Split into simpler sentences: He earned a gold medal in the 4 x 10 km at the 1978 FIS Nordic World Ski Championships in Lahti. He died in January 2008,60 years old.