January 3, 2020. 10:00am. Mount Tamalpais Watershed, Marin County, California.

There is no guidebook on how to celebrate a 29th birthday. For Holly, running 29 kilometers uphill through a redwood forest is what made the most sense.

And so, with the girls by her side, she ascended above the marine layer late on a Sunday morning and popped a champagne bottle at the summit of Mt. Tam.