Complex sentence: The 1890s and early part of the 20th century saw the North Durham ground be used for athletics and cycling events, with the running events taking place on a grass track and the cycling on a banked ash oval.
Split into simpler sentences: The 1890s and early part of the 20th century saw the North Durham ground be used for Athletics and Cycling events. With the running events taking place on a grass track and the cycling on a banked ash oval.