Mark Walker's efforts:	From	Age	Date	Finish Time
2022 Running Up For Air (Ogden) (12H)	Utah, US	36	Saturday, February 5, 2022	10:37:56.00
2020 Running Up For Air (Ogden) (12H)	Utah, US	34	Saturday, February 22, 2020	10:39:18.00
2019 Running Up For Air (Ogden) (12H)	Utah, US	33	Saturday, February 9, 2019	08:29:49.00