Submitted by Scott Loughney:

From Kathmandu (Rangasala Dasharath Stadium) at 1,400 meters (4,593 ft) thru Jiri and Lukla to Mt Everest Base Camp, which sits at an altitude of 5,360 meters (17,585 ft) where the thin air contains only about 50% of the oxygen levels present at sea level and then back to Kathmandu (Rangasala Dasharath Stadium). Round trip distance of 640km (approx. 400 miles), with approximately 25,000 meters (82,020 ft) of brutal climbing and 25,000 meters (82,020ft ) of descending over the whole journey.

Convoluted Bliss is currently the longest completed alpine ridge traverse by distance in the United States (longer than WURL in Utah). It traverses around the entire Merced Lake Drainage in southeastern Yosemite, climbing a total of 51 peaks. It was first climbed over 8 days in August 2017. While small sections of the route require low 5th class scrambling, most of it involves class 2 boulder hopping. The entire 40-mile ridge portion of the route involves cross country travel. The total distance stats including approaching and deproaching the ridge is around 69 miles and 27,000 ft of gain.

https://www.ebparks.org/parks/trails/iron_horse/

For the 300 anniversary of the principality of Liechtenstein, this trail was opened. It runs through all 11 villages of the country and is 75km long. More information is available on the website below. The trail is marked and is one route, however, there is an additional loop up in the skirestort, which is not linked to the trail. So one needs to drive up to Malbun for the last 7.5km

Route begins at the Forsythe Canyon Trailhead in Pine Valley. Proceeds up the canyon to the top of the mountain just below Burger Peak, then proceeds to follow the summit trail beneath Signal Peak, through Further Water Meadow, past the browns point turn off, through Hidden Valley, South Valley, Whipple Valley, North Valley, Browse Point Lookout, and into Mill Flat. At Mill Flat it proceeds out the North East exit to the meadow heading to Anderson Valley, and then proceeds to head down the mountain to New Harmony.