HT550 Group start
The full loop from Tyndrum, ridden on your own clock with no one to help.
- Distance
- 550 mi (885 km)
- Climbing
- 52,493 ft (16,000 m)
- Start
- Sat, May 8, 8:30 AM
The course line isn't drawn yet, so the map only marks its start and finish.
Take this course offline
Download its map in Goat Maps and you can find your way without a signal.
The route runs between sea level and about 800 m. The organizer warns that even the best climbers and descenders will meet ground beyond them. The bikepacking.com guide to an older version of the route names the long walks: around Suilven, through Fisherfield, up Glen Affric, and the last climb over the Devil's Staircase above Glen Coe.
One rider's 2026 account passes Fort Augustus twice, on the way out and on the way home, and switches from the "Out" file to the "Back" file at Achfary. There are no checkpoints. Your tracker on Follow my Challenge is the record, and to make the finisher list you send a link to your ride on Strava or a GPX track. In 2026, 32 riders finished from the group start. Justinas Leveika was fastest in 3 days 11 hours 48 minutes, and Kerry MacPhee was the first woman in 4 days 1 hour 52 minutes.