It's an event that's known for bringing the fun to the run. The 10th annual Rock 'n' Roll Chicago Half Marathon kicked off early this morning in Grant Park. This year Lil' Ed & The Blues Imperials.
{"Image Software": "Picasa 3.0", "Image ExifOffset": "50", "EXIF ExifImageWidth": "640", "EXIF ExifImageLength": "480", "EXIF ExifVersion": "0210", "Interoperability InteroperabilityIndex": "", "Interoperability InteroperabilityVersion": "[48, 49, 48, 48]", "EXIF InteroperabilityOffset": "104"}