 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.
<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.
 As of the Chinese Taipei Road Running Association, invited several world-class marathon runners by performances on several international marathon races before this race.