Bob Manthy's efforts:	From	Age	Date	Finish Time
2019 Golden Gate Dirty 30 (12-mile)		55	Saturday, June 1, 2019	03:35:49.89
2018 Silverton Ultra Marathon (55K)	Colorado, US	55	Saturday, August 11, 2018	08:24:13.00
The Bear 100 2011	Colorado, US	48	Friday, September 23, 2011	31:40:56.00