Jeff Marshall's efforts:	From	Age	Date	Finish Time
Never Summer 100k (2019)	Colorado, US	36	Saturday, July 27, 2019	15:17:13.00
2017 Golden Gate Dirty 30 (50K)	Colorado, US	34	Saturday, June 3, 2017	06:15:54.93
2016 Golden Gate Dirty 30 (50K)		33	Saturday, June 4, 2016	06:03:01.58