Complex sentence: He is the French 100 m and 200 m record holder with a time of 9.92 seconds and 19.80 seconds and is the first person primarily of European descent to break the 10-second barrier in an officially timed 100 m event.
Split into simpler sentences: He is the current French 100 m and 200 m record holder with a time of 9.92 seconds and 19.80 seconds. He was the first man purely of European descent to break the 10-second barrier in an officially timed 100 m event.