Mark Martin-Williams's efforts:	From	Age	Date	Finish Time
Blue Sky Marathon & Half 2023 (Trail Marathon)	Colorado, US	49	Saturday, October 21, 2023	05:11:43.00
Blue Sky Marathon 2021 (Blue Sky)	Colorado, US	47	Saturday, October 16, 2021	04:02:59.00
2014 Golden Gate Dirty 30 (50K)		40	Saturday, May 31, 2014	Not yet started