Amos Biwott
He finished third at the 1970 British Commonwealth Games , was sixth at the 1972 Summer Olympics and completed his career with an eighth place at the 1974 British Commonwealth Games . 
<triplet> 1970 British Commonwealth Games <subj> 1970 <obj> point in time <triplet> 1972 Summer Olympics <subj> 1972 <obj> point in time