I hiked my first 14er!! Mount Massive outside of Leadville, Colorado. At 14,400 feet, Mount Massive is Colorado’s second-tallest 14er. We took the steeper route, where we climbed 4,000 feet in 4 miles, but the first 1.5 miles were pretty flat, so it was more like 3,500 vertical feet in 2.5 miles. Which is tough.…