 As of the Chinese Taipei Road Running Association, the organizer of this race, their executives invited several world-class marathon runners by performances on several international marathon races before this race. But due to unsteady of the political status in Africa, there were only four African runners participating in this race.
<clarity>  As of the Chinese Taipei Road Running Association, the organizer of this race, their executives invited several world-class marathon runners by performances on several international marathon races before this race. But due to unsteady of the political status in Africa, there were only four African runners participating in this race.
 As of the Chinese Taipei Road Running Association, the organizer of this race, their executives invited several world-class marathon runners based on their prior performances in several international marathons. However, because of political instability in Africa, there were only four African runners participating in this race.