<Tr> <Td> 65th </Td> <Td> 520 BC </Td> <Td> Hoplite race (hoplitodromos) </Td> </Tr> <Tr> <Td> 70th </Td> <Td> 500 BC </Td> <Td> Mule - cart race (apene) </Td> </Tr> <Tr> <Td> 93rd </Td> <Td> 408 BC </Td> <Td> Two horse chariot race (synoris) </Td> </Tr> <Tr> <Td> 96th </Td> <Td> 396 BC </Td> <Td> Competition for heralds and trumpeters </Td> </Tr>

Who is said to have started the olympic games why