David Walker's efforts:	From	Age	Date	Finish Time
2022 Golden Gate Dirty 30 (50K)	Colorado, US	62	Friday, June 3, 2022	Not yet started
2019 Golden Gate Dirty 30 (50K)	Colorado, US	59	Saturday, June 1, 2019	09:13:21.00
Never Summer 100k 2017	CO	36	Saturday, July 22, 2017	18:50:26.00