Complex sentence: Ryan Gregson (born 26 April 1990 in Wollongong, Australia) is an Australian middle distance runner who currently holds the Australian record for the men's 1500 metres, both outdoors and indoors.
Split into simpler sentences: Ryan Gregson (born 26 April 1990 in Wollongong, Australia) is an Australian middle-distance runner. He holds the Australian record for the men's 1500 metres, both outdoors and indoors.