Research Park at University of Illinois Location xxxS. Oak St. & Hazelwood DriveChampaignIL61820 Next Event Christie Clinic Illinois 5K Run/Walk at the Illinois Marathon - 28 Apr 2023 - 19:30 Loading Map.... Research Park at University of IllinoisS. Oak St. & Hazelwood Drive - Champaign 40.0908219 -88.240792 Upcoming Events Christie Clinic Illinois 5K Run/Walk at the Illinois Marathon - April 28, 2023 - 7:30 pm