ENGLISH:

The Schladminger-Tauern Höhenweg trail is a stage along Central Alpine Trail 02, which traverses the entire Alpine region.

Due to its unique geological features, the wealth of plant and animals species, and the special character of the surrounding mountain world, this particular section of the Central Alpine Trail through the Schladminger-Tauern is one of the most beautiful hiking tours to be found anywhere in the Alps.

The Lake Lansing Trail begins and ends at Lake Lansing Park North in Haslett, MI. It is mildly technical with rolling hills and one larger climb. This FKT follows the Blue Trail, which is the most common route, and begins and ends at the parking lot by the trailhead. The "Lake Lansing from Sandhill" segment on Strava tracks the leaderboard for this trail and has been very competitive amongst mid-Michigan runners for years.

https://www.strava.com/segments/9495039

Running 10 laps is a little over 50km.

This trail runs between Pineland, Texas to near Hemphill, Texas. It was created in 1981 and funded by the Sierra club. Officially the trail is 26.8 miles. There is no water refill sources. 

ENGLISH:

This is the Main Świętokrzyski Trail (GSS) from Kuźniaki to Gołoszyce. 
https://podrozebezosci.pl/glowny-szlak-swietokrzyski-gss-porady-praktyc…

POLISH:

Początek trasy Kuźniaki koniec Gołoszyce 100km. Biegowo cały czas czerwony szlakiem dystans 92 km 2755m w górę oraz 2664 mw dół. Czas brutto 9:59:42 link