Complex sentence: In 2013 a series of walks were held to commemorate the centenary of the pilgrimage, and playwright Natalie McGrath used it as inspiration for her play "Oxygen" which was performed by arts organisation Dreadnought South West at venues along the march route.
Split into simpler sentences: In 2013 a series of walks were held to commemorate the centenary of the pilgrimage. Playwright Natalie McGrath's play "Oxygen", which was inspired by the 1913 march, was performed by the arts organization Dreadnought South West at venues along the march route.