Life Bikin': Gut Check
lifebikin.blogspot.com/2007/07/gut-check.html
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
I signed up for this year’s Highway 212 Gut Check bike race. It is a four-hundred-twelve (412) mile race from the South Dakota / Wyoming boarder to the South Dakota / Minnesota boarder within forty-eight (48) hours following US Highway 212.