Darren Westlake
Darren has twice competed in the 1500m at the Paralympic games first in 2000 where he won a silver medal and then in the 2004 Summer Paralympics where he did not win a medal . 
<triplet> 2000 <subj> 2004 Summer Paralympics <obj> followed by <triplet> 2004 Summer Paralympics <subj> 2000 <obj> follows <subj> 2004 <obj> point in time