Complex sentence: At a young age Hulls was seen as a promising sporting talent, his early promise was most evident in "Athletics", in particular field events such as Javelin, Discus and Long Jump as well as an accomplished sprinter.
Split into simpler sentences: At a young age Hulls was seen as a promising sporting talent. His early promise was most evident in "Athletics", in particular field events such as Javelin, Discus and Long Jump as well as an accomplished sprinter.