18th Annual Chicago Lakefront 50/50
Join Team CCO for Chicago’s most popular Ultra!
Consists of 4 out-and-back segments for the 50m and three for the 50k.
The races follow the Lakefront running path.
Mostly asphalt with some concrete sections.
One of the flattest 50k and 50 mile courses in North America.
The current 50 mi. world record was set on Chicago's lakefront in 1984.
Get more info here: http://www.chicagoultra.org/