<Tr> <Th> Girls </Th> <Td> High School </Td> <Td> Japan </Td> <Td> Top 2 </Td> <Td> 7: 06.62 and 7: 23.11 </Td> <Td> </Td> </Tr> <Tr> <Th> Girls </Th> <Td> High School </Td> <Td> USA </Td> <Td> Top 5, Top 100 </Td> <Td> 6: 36.34 - 6: 50.47 </Td> <Td> 6: 42.86 - 8: 11.0 </Td> </Tr> <P> Rarely run in youth competition, though some high school competitions include the 3000m steeplechase, for example, it is an event competed in championships and larger meets in New York State . </P> <Table> <Tr> <Th> 3000 metre steeplechase </Th> <Th> Age Group </Th> <Th> Country </Th> <Th> #of Athletes </Th> <Th> Time Range 2007 </Th> <Th> Time Range 2008 </Th> </Tr> <Tr> <Th> Boys </Th> <Td> High School </Td> <Td> Japan </Td> <Td> Top 100 </Td> <Td> 9: 06.10 - 9: 26.91 </Td> <Td> 8: 54.55 - 9: 25.34 </Td> </Tr> <Tr> <Th> Boys </Th> <Td> High School </Td> <Td> USA </Td> <Td> Top 10, Top 100 </Td> <Td> 9: 08.11 - 9: 35.80 </Td> <Td> 9: 07.02 - 10: 50.0 </Td> </Tr> <Tr> <Th> Girls </Th> <Td> High School </Td> <Td> Japan </Td> <Td> Top 2 </Td> <Td> 10: 50.14 and 10: 52.84 </Td> <Td> </Td> </Tr> <Tr> <Th> Girls </Th> <Td> High School </Td> <Td> USA </Td> <Td> Top 1, </Td> <Td> 10: 52.82 </Td> <Td> 10: 42.22 </Td> </Tr> </Table>

When did track change from yards to meters