

For true burliness and no doping (well except for maybe an occasional rider smoking dope) nothing beats the Tour Divide, a self-supported 2,745-mile mountain bikeĀ race along the spine of the Rockeis from Banff, Alberta to Antelope Wells, New Mexico. The winner, Matthew Lee, just crossed the finish line in 17 days, 23 hours & 45 min.
Here is very good video overview: