Mark Perkins's efforts:	From	Age	Date	Finish Time
2021 Golden Gate Dirty 30 (50K)	Colorado, US	67	Saturday, June 12, 2021	Not yet started
2018 Golden Gate Dirty 30 (50K)		64	Saturday, June 2, 2018	Not yet started
2017 Golden Gate Dirty 30 (50K)	Colorado, US	63	Saturday, June 3, 2017	07:49:00.40
2016 Golden Gate Dirty 30 (50K)		62	Saturday, June 4, 2016	08:05:36.15
2014 Golden Gate Dirty 30 (50K)		60	Saturday, May 31, 2014	07:55:42.52