Jeff Barnes's efforts:	From	Age	Date	Finish Time
2017 Golden Gate Dirty 30 (12-mile)		42	Saturday, June 3, 2017	02:55:41.09
Quad Rock 2017	Colorado, US	42	Saturday, May 13, 2017	08:11:42.00
2016 Golden Gate Dirty 30 (12-mile)		41	Saturday, June 4, 2016	03:04:10.23
2015 Golden Gate Dirty 30 (12-mile)		40	Saturday, May 30, 2015	02:53:52.54
2014 Golden Gate Dirty 30 (12-mile)		39	Saturday, May 31, 2014	02:58:14.32