<Tr> <Th> 30 kilometre skiathlon details </Th> <Td> Simen Hegstad Krüger Norway </Td> <Td> Martin Johnsrud Sundby Norway </Td> <Td> Hans Christer Holund Norway </Td> </Tr> <Tr> <Th> 50 kilometre classical details </Th> <Td> Iivo Niskanen Finland </Td> <Td> Aleksandr Bolshunov Olympic Athletes from Russia </Td> <Td> Andrey Larkov Olympic Athletes from Russia </Td> </Tr> <Tr> <Th> 4 × 10 kilometre relay details </Th> <Td> Norway (NOR) Didrik Tønseth Martin Johnsrud Sundby Simen Hegstad Krüger Johannes Høsflot Klæbo </Td> <Td> Olympic Athletes from Russia (OAR) Andrey Larkov Aleksandr Bolshunov Aleksey Chervotkin Denis Spitsov </Td> <Td> France (FRA) Jean - Marc Gaillard Maurice Manificat Clément Parisse Adrien Backscheider </Td> </Tr> <Tr> <Th> Sprint classical details </Th> <Td> Johannes Høsflot Klæbo Norway </Td> <Td> Federico Pellegrino Italy </Td> <Td> Aleksandr Bolshunov Olympic Athletes from Russia </Td> </Tr>

Who won a gold medal in the 2018 olympics