Charles Gregory's efforts:	From	Date	Finish Time
2018 Golden Gate Dirty 30 (12-mile)		Saturday, June 2, 2018	02:10:38.89
2017 Golden Gate Dirty 30 (50K)	Colorado, US	Saturday, June 3, 2017	06:32:51.38
2016 Golden Gate Dirty 30 (50K)		Saturday, June 4, 2016	DNF