Photo from https://www.fatpursuit.com/
The Fat Pursuit is a 60 km or 200 km human-powered winter race on a network of groomed snowmobile trails in Island Park, Idaho. This event will require some experience, winter survival, and navigation skills since the 200 km distance course will not be marked. The 200 km distance route will not be marked, and you will need to navigate by GPS or map and compass. The 60 km course will be marked.
Register: https://fatpursuit.athlete360.com/
60 km route:
200 km route: