Saint Xavier University (SXU) will host the 15th Annual Cougar 5K Run/Walk starting at 9 a.m. on Saturday, Sept. 26 during its 2015 Homecoming Week celebration. The race begins and ends at SXU’s Chicago campus, 3700 W. 103rd St, and travels through Evergreen Park. Pre-registration is $30 for runners/walkers, $27 for SXU faculty, staff and alumni and…