What: Paralympic amputee athletes will compete at the Penn Relays for the first time in the event's storied history.

Where: Franklin Field.

When: Friday, 1:15 p.m. in the men's Olympic Developmental 4 x 100-meter relay; 2:50 p.m. in the open 100-meter dash. They will compete against able-bodied athletes.

Who: Paralympic relay team consists of Danny Andrews (two-time Paralympian, world recordholder in the 400 meters); Jeremy Campbell; Donald Kosakowski; and Marlon Shirley (two-time U.S. Paralympian and world recordholder in the 100 and 200. All four will compete in the 100 meters as well as U.S. Paralympian Ryan Fann and Iraq war veteran Kortney Clemons. Paralympian wheelchair racer Tatyana McFadden also will compete in the 100 meters.