Great trail of exactly 100 miles. Mostly single track and great variation. Start is in Åstorp and finish in Brösarp.

The route is route number 3 of the trail system "Skåneleden", The whole route is marked with orange trail marking.

Facebook group: https://www.facebook.com/groups/866100800171249/files
Discover Skåneleden: https://skaneleden.se/en/#googtrans(sv|en)

- Submitted by Lars Hektor

Der komplette Niddaradweg von der Quelle im Vogelsberg bis zur Mündung in den Main in Frankfurt.

This route is a paved path, mostly used by cyclists, that follows the Nidda River from its source to its mouth.

93.08 kms; 854m loss

- Submitted by Philip Knapp

The Redbird Crest Trail in the Daniel Boone National Forest is a 70 mile looped shared use trail. It is used primarily for dirt bike, ATV, and other smaller OHV recreational riding. The trails are mostly wider trails with an 11 mile section of single track designated for dirt bikes, bicycles, horses, and foot traffic only. The trails are rugged and technical with much of the trail being up on the ridgelines. 

The Malibu Creek State Park loop is a loop on pretty popular trails in the Santa Monica Mountains. The easiest access is from the Malibu Creek State Park parking at 1925 Las Virgenes Rd, Calabasas, CA 91302. It is 14 miles long with an elevation gain of about 2,654ft.

A very popular, heavily trafficked trail that runs the length of South Mountain Park in Phoenix.  About 15 miles one-way.  There is a water fountain at the Pima Canyon TH (east end).

There was a 50 mile race utilizing this trail in 1998-2001, with the CR being Ian Torrance, 7h1m31s in 2000.  https://ultrasignup.com/register.aspx?did=12138