Billy Grimes's efforts:	From	Age	Date	Finish Time
2019 Silverton Ultra Marathon (100K)	Colorado, US	42	Saturday, August 3, 2019	15:21:11.00
2018 High Lonesome 100		41	Friday, August 3, 2018	30:24:39.00
2017 Golden Gate Dirty 30 (50K)	Colorado, US	39	Saturday, June 3, 2017	06:29:17.68
2016 Golden Gate Dirty 30 (50K)		38	Saturday, June 4, 2016	06:59:34.49