This year 's race , the route of which was keep a secret until Friday evening , is being held near Pemberton , British Columbia , about 100 miles ( 160 km ) northeast of Vancouver .
<response> This year 's race , the route of which was keep a secret until Friday evening , is being held near <location>Pemberton</location> , <location>British Columbia</location> , about 100 miles ( 160 km ) northeast of <location>Vancouver</location> . </response>