What key details about samira raif  can be extracted from the following bio?  Bio: samira raif -lrb- born 4 april 1974 in casablanca -rrb- is a moroccan long-distance runner . she competed in the marathon at the 2012 summer olympics , placing 73rd with a time of 2:38:31 , a seasonal best .
- sport is athletics- event is marathon- height is 1.56- birth date is 4 april 1974- weight is kg 49