In August I had the pleasure of finally riding one of the US's most famous mountain biking trails - the '401 Trail' near the alpine resort of Crested Butte, Colorado.
(August 25, 2016. Nikon D7200, 1/100s @ f/8, 19 mm, ISO 100.)
https://travelcrestedbutte.com/crested-butte-mountain-biking-401/