Get ready to dust off those old running shoes. The ninth annual Jennifer Bush-Lawson 5K race and festival is set for Saturday in the Yorktown neighborhood. The event commemorates Jennifer Bush-Lawson, an Arlington resident who was struck and killed in 2014 by a dump truck while placing her child into a minivan near Nottingham Elementary. The ninth annual Jennifer Bush-Lawson 5K race and festival is set for Saturday in the Yorktown neighborhood.