(Francisco Kjolseth | The Salt Lake Tribune) Sadie Mortensen, who at age 5 first set her sights on hiking the Y above BYU. She finally made it at age 7, a couple weeks back, carrying her own water and having triumphed over the leukemia that sent bolts of pain down her leg. Sadie revisited the trailhead on Thursday, June 20, 2024, with hopes for many more adventures ahead.