John Cogburn's efforts:	From	Finish Time
Quad Rock 2021 (Quad Rock 25)	Colorado, US	05:43:34
Blue Sky Trail Marathon (2018) (Blue Sky)	Colorado, US	04:45:33
Never Summer 100k (2018)	Colorado, US	19:14:42
Quad Rock (2018) (Quad Rock 50)	Colorado, US	12:15:28
Blue Sky Trail Marathon (2017)	CO	04:55:47
Quad Rock 2017	Colorado, US	04:58:09