The Elkhorn 100 is a now-defunct race that started at the World's Largest Elkhorn Arch in Afton, Wyoming and finished 100 miles later at the elkhorn arches on Jackson Hole's Town Square.  The race was held in 2022 and 2023.  Due to heavy permitting requirements coupled with very limited participation the race is no longer being held.   The  supported-FKT is currently held by Cody Draper with a time of 27:35 in 2022.

The Höllengebirge Überschreitung is a challenging and scenic hiking route in the Salzkammergut region of Austria. This trail traverses the Höllengebirge mountain range, offering breathtaking views of the surrounding lakes and peaks. The route features rugged terrain, steep ascents, and dramatic landscapes, making it suitable for experienced hikers. Along the way, hikers can explore karst formations, alpine meadows, and enjoy panoramic vistas, making it a rewarding adventure for nature lovers and outdoor enthusiasts.

This loop begins and ends at the Paradise Inn located in Mt. Rainier National Park. It is approximately 13.4 miles long with 5100 feet of vertical gain and some class 3 climbing/scrambles.  This parking lot fills up very quickly so it's advised to go early in the day. Start on the Skyline Trail heading in a NE direction past Myrtle Falls. Continue on this trail until you come to Mazama Ridge Trail where you will turn right. Continue past Louise Lake lookout spot. You will meet up with the Wonderland Trail. Turn left here.