Course Description: Flat & Fast
For a lot of people, the Hennepin Hundred is the best PR trail course in the Midwest & beyond. The surface is rustic- it is mainly dirt or crushed limestone, with a scattering of areas that have been paved.
Average weather low 40° and average high is 60°
According to weatherspark.com the month of October has a 6% chance of thunderstorm/rain. One of the lowest precipitation months of the year.
Except for a few blocks at the start in Sterling, Illinois, the course is on the Hennepin Canal State Trail. The race course makes a giant, 100 mile upside-down T shape. You can see it on the Aid Station map. All racers run east a little at the bottom of the T;
the 50 milers finish at Lock 17 near Wyanet, Illinois.
while 100 milers run this section as a short out-and-back to continue west towards the finish in Colona, Illinois.
The Start—The 100 mile solo/relay & 50 mile solo race start at 7 a.m. along the Rock River in Sinissippi Park, Sterling, Illinois. The night time 50k race has a 5 pm start from Aid station 7/14.
The Finish—100 mile racers, both solo and relay, finish near the Mississippi River at Timbrook Field, Colona, Illinois. Fifty mile racers finish at picturesque Lock 17 near Wyanet, Illinois.