 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.
 The race's organizer, 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.