<Tr> <Th> </Th> <Td> 2: 03: 05 </Td> <Td> Eliud Kipchoge </Td> <Td> Kenya </Td> <Td> 24 April 2016 </Td> <Td> London </Td> <Td> </Td> </Tr> <Tr> <Th> </Th> <Td> 2: 03: 13 </Td> <Td> Emmanuel Mutai </Td> <Td> Kenya </Td> <Td> 28 September 2014 </Td> <Td> Berlin </Td> <Td> </Td> </Tr> <Tr> <Td> Wilson Kipsang Kiprotich </Td> <Td> Kenya </Td> <Td> 25 September 2016 </Td> <Td> Berlin </Td> <Td> </Td> </Tr> <Tr> <Th> 6 </Th> <Td> 2: 03: 38 </Td> <Td> Patrick Makau Musyoki </Td> <Td> Kenya </Td> <Td> 25 September 2011 </Td> <Td> Berlin </Td> <Td> </Td> </Tr>

Where did the length of a marathon come from