sentences:  During his trek he received an extra food resupply, and in January he had to abandon the attempt as he could not reach the South Pole in time for the last plane back to South America.He subsequently returned to Antarctica at the end of 2013, and on 4 January 2014 he completed an unsupported and unassisted journey to the South Pole, covering 1,150 km (715 miles) in 29 days, 19 hours and 24 minutes, the fastest solo for a Briton.Parks' 737 Challenge was filmed for a BBC Cymru Wales documentary; "Richard Parks - Conquering the World" and was transmitted in 3 parts from Tuesday 26 July 2011.