World Athletics: Allyson Felix of USA Wins Gold in Women's 400m Sprint
American Allyson Felix won the gold in the 400 metres in the world championship.
American Allyson Felix justified her step-up to the 400 metres with a convincing gold-medal run at the world championships on Thursday. (Athletics News)
Felix, the most decorated female athlete in athletics history based around her 200m and relay expertise, clocked a blistering time of 49.26 seconds, the best in the world this year.
Shaunae Miller of the Bahamas claimed silver in a personal best of 49.67sec, with Jamaica's Shericka Jackson taking bronze (49.99).