Kenneth Letterle's efforts:	From	Age	Date	Finish Time
Hardrock 100 2025	Texas, US	42	Friday, July 11, 2025	38:42:03.00
2019 High Lonesome 100	Texas, US	36	Friday, July 26, 2019	28:02:00.00
Never Summer 100k 2016	TX	33	Saturday, July 23, 2016	18:16:30.00