The Illinois Marathon is this Saturday – Lazarus Saturday. Travel will be affected throughout Champaign and Urbana. You can see the race route and affected roadways here and you can read about MTD service and reroutes here.
Roads in Champaign will not close (but expect significant delays). Roads in Urbana will close but will be open for crossing when marathon traffic is low (also significant delays).
Unaffected routes: From the north use Lincoln to Springfield/Main to Elm. From the south you will need to go to Staley on the West or I-57 or to Hwy 130 on the East to get north of the Marathon route.