Marianne Osteen's efforts:	From	Age	Date	Finish Time
2025 High Lonesome 100	Colorado, US	65	Friday, July 18, 2025	DNF
2021 High Lonesome 100	Colorado, US	61	Friday, July 30, 2021	DNF
2019 High Lonesome 100	Colorado, US	59	Friday, July 26, 2019	35:13:12.00
Quad Rock (2018) (Quad Rock 25)	Colorado, US	58	Saturday, May 12, 2018	05:33:49.00
Never Summer 100k 2017	CO	57	Saturday, July 22, 2017	DNF
2017 Golden Gate Dirty 30 (50K)	Colorado, US	57	Saturday, June 3, 2017	07:51:36.31
Never Summer 100k 2016	CO	56	Saturday, July 23, 2016	20:51:27.00