What is challenging about a "6 day, mentally and physically challenging adventure..."
That includes:
""Spa Level" rooms...spa treatments, yoga, nutritious gourmet meals and full time access to the private Summit Room for movies and snacks..."
I say get them into a realistic harsh environment 100 miles from anything, work their fucking asses repeatedly into the ground and then after 30 days, give them chicken-scratched directions written on a stained cocktail napkin to the nearest airport. Make sure they sign a waiver of course!