The core4 is an August race where no surface is left untouched - beautiful crushed stone roads (known to most of us as 'gravel'!), grassy farm access lanes, dirty level-B roads, lovely singletrack (and challenging singletrack!), limestone paths and even some much appreciated pavement to give your body a rest! And let's not leave out the cyclocross finish! Starting and finishing at the Wilson's Orchard north of Iowa City, Iowa, core4 enters it's third year, this time with some cash for the fast folks in the challenging Stone Crusher 100-miler. It's reputation as a great event, and maybe the cash purse, brought in a new level of pros: Chase Wark, Inno Zavyalov, Drew Dillman, Gabby Arnold as well as past champions like Nate Kullbom, Vanessa Curtis, Chris Hansen and more! I was there to enjoy a weekend of camping with friends, riding the lovely, yet  ...