Tunnel Hill 100/50 has become known around the world as THE place to run fast!

Due to the design of the course, it is recognized as both, a road course, and a trail course. A very fast, relatively flat (about 1400′ of climb over 100 miles) route offering just the right amounts of gentle grades.

USATF Sanctioned event with a USATF certified, and ratified course. Set a World Record, American Record, or National Age Group Record, and it will be recognized as such.