The relay race , which will include squads from Africa , the United States and Europe as well as the Owens ' quartet , will be held at the end of the meeting .
<response> The relay race , which will include squads from <location>Africa</location> , the <location>United States</location> and <location>Europe</location> as well as the <person>Owens</person> ' quartet , will be held at the end of the meeting . </response>