In winning the gold medal in 53.13 , Muhammad soared over every hurdle .
In winning the gold medal in 53.13 , Muhammad fended off Denmark 's Peterson , who set a Danish national record with her time of 53.55 to earn the silver medal .
In winning the gold medal in 53.13 , Muhammad soared over every hurdle and fended off Denmark 's Peterson , who set a Danish national record with her time of 53.55 to earn the silver medal .