- This event has passed.
Core4 Iowa SBTGRVL 2023
Aug 19, 2023 @ 8:00 am - 5:00 pm
core4 is Iowa City’s top cycling experience, celebrating community, opportunity, recreation, and engagement. Linked to Rule of Three’s cousin event, core4 offers routes with champagne gravel, the best B roads, urban experiences, and speedy singletrack.