Running near the Panama Canal from the Atlantic Ocean to Pacific Ocean is believed to be the fastest possible route to cross any continent on foot (The Suez Canal in Africa is over twice as long). The Trans-Continent FKT may follow any route across Panama as long as you start at one ocean and finish at the other. The only "rule" is that you must start/finish at a point that is clearly the sea/ocean and not an inlet body of water such as the Bahia las Minas (Bay of the Mines).

Submitted by Emily Cousens:

The classic training loop up and down Mt. Sunapee. Park at the base lodge and take the Summit Trail to the summit, admire the view and follow the access road back down (also called Williamson trail -- backcountry ski trail in winter), you will reach a landing near the campground, continue following the access road down, then take a left and crush the entrance road back to the parking lot. 
There are a few types of people who prefer running this in reverse, which is also fine and we don't judge.
5+mi, 1500+ft gain.

Submitted by Emily Cousens:

Route submitted by Ryan Stoddard:

This route is in the Sawtooth sub-range of WA's Cascades. The only requirements are to start and end at Crater Creek TH and summit the five top 100 "Bulger" list peaks along the way: Switchback, Bigelow, Martin, Raven Ridge, Hoodoo. Note that the True summit of Raven Ridge is a little east of the ridge line (this one:https://peakbagger.com/peak.aspx?pid=28897) not Libby Peak.