Mike Hefti's efforts:	From	Age	Date	Finish Time
The Bear 100 2023	Colorado, US	44	Friday, September 29, 2023	DNF
2021 Golden Gate Dirty 30 (50K)	Colorado, US	42	Saturday, June 12, 2021	08:04:04.00
Quad Rock (2019) (Quad Rock 50)	Colorado, US	40	Saturday, May 11, 2019	DNF
Never Summer 100k (2018)	Colorado, US	39	Saturday, July 28, 2018	22:42:30.00
2017 Golden Gate Dirty 30 (50K)	Colorado, US	38	Saturday, June 3, 2017	09:01:26.81