Karl Mayer's efforts:	From	Age	Date	Finish Time
2023 Rattlesnake Ramble (Full Course)	CO	32	Saturday, September 16, 2023	00:30:40.00
Hardrock 100 2023	Colorado, US	32	Friday, July 14, 2023	39:55:57.00
2017 Golden Gate Dirty 30 (50K)	Colorado, US	26	Saturday, June 3, 2017	05:30:40.79
The Bear 100 2016	Colorado, US	25	Friday, September 23, 2016	21:52:06.00