The parks are home to a steeplechase course that hosts the Iroquois Steeplechase, run annually each May since 1941 (with one year off for World War II) and a fixture on the National Steeplechase Association circuit.
Iroquois | steeplechase | 3000 metres steeplechase | Steeplechase | Steeplechase (horse racing) | Steeplechase (athletics) | National Steeplechase Association | Athletics at the 2008 Summer Olympics – Women's 3000 metres steeplechase | women's 3000 m steeplechase | steeplechase (horse racing) | men's 3000 m steeplechase | Iroquois Steeplechase | Iroquois homeobox factor | Athletics at the 2008 Summer Olympics – Men's 3000 metres steeplechase | steeplechase (athletics) | Orenda Iroquois | men's 3000 metres steeplechase | Lake Iroquois, Illinois | Iroquois River | Iroquois (horse) | Iroquois County | ''Iroquois Confederacy'' | Great Eastern Steeplechase | Gold Cup Steeplechase | Glacial Lake Iroquois | Athletics at the 2012 Summer Olympics – Men's 3000 metres steeplechase | Athletics at the 1988 Summer Olympics - Men's 3000 metres Steeplechase | Athletics at the 1948 Summer Olympics – Men's 3000 metres steeplechase | 2013 World Championships in Athletics – Men's 3000 metres steeplechase |