Complex sentence: Jørgen Pilegaard Jensen (10 April 1944--2 October 2009) was a Danish middle-and long-distance runner who won the inaugural 1975 edition of Amsterdam Marathon on 3 May 1975, clocking 2:16:51.
Split into simpler sentences: Jørgen Pilegaard Jensen (10 April 1944--2 October 2009) was a Danish middle-and long-distance runner. Jensen won the inaugural 1975 edition of Amsterdam Marathon on 3 May 1975, clocking 2:16:51.