Complex sentence: On September 17,2000, Reinhart was killed while competing in a 42-mile circuit race held on a 3.5 mile course in Arlington, Massachusetts when she was thrown from her bicycle and struck a tree.
Split into simpler sentences: On September 17,2000, Reinhart was killed in a 42-mile circuit race held on a 3.5-mile course in Arlington, Massachusetts. She was thrown from her bicycle and struck a tree.