Mark Warburton's efforts:	From	Age	Date	Finish Time
Blue Sky Marathon 2019 (Blue Sky)	Colorado, US	56	Saturday, October 19, 2019	07:07:49.00
Blue Sky Trail Marathon (2018) (Blue Sky)	Colorado, US	55	Saturday, October 20, 2018	06:41:30.00
Blue Sky Trail Marathon (2017)	CO	54	Saturday, October 21, 2017	06:10:18.00