The Dusky Track covers 84km (including an out & back section to Supper Cove) between Lake Hauroko and Lake Manapouri in Fjordland National Park on the South Island of New Zealand.  It is normally walked in 8-10 days.  The NZ DOC cautions trampers:

This is a very popular 40-mile segment of the Appalachian Trail, which cuts through the heart of some of the rockiest segments of the entire length ("Rocksylvania").

Summit the highest peaks of NH (Mt Washington), VT (Mt Mansfield) and MA (Mt Greylock) by any route.  Time is car-to-car total time from the TH for the first summit to the final TH.

The Triple Crown consists of the Big Three National Scenic Trails:  The Appalachian Trail, the Pacific Crest Trail and the Continental Divide Trail.  Completing the Triple Crown requires about 7,900 miles of hiking through 22 US States.  As of the end of 2018, about 400 people are acknowledged to have comple