This will be updated as information becomes available.
This list is incomplete, but here's what we have right now.

Friday, 5-6 p.m. - Women's co-favorites Catherine Ndereba and Paula Radcliffe will be at NIKETOWN ON Michigan Avenue (Sponsor: NIKE).

Friday, 5-6 p.m. - American women's icon Joan Benoit Samuelson will Be at Fleet Feet Piper's Alley (Sponsor: NIKE).

Saturday, 11 a.m.-1 p.m. - 1972 Olympic Marathon champion Frank Shorter will be at Fleet Feet Piper's Alley (Sponsor: New Balance).

Sunday, 5-9 p.m. - Paul Tergat, who ran 2:05:48 at London, will be at California Pizza Kitchens, 939, W. North. (Sponsor: "Climb for a Cause.''