Texas WR Marquise Goodwin wanted to break Chris Johnson's combine record of a 4.25 40-yard-dash and just came up short.  A former Olympian, Goodwin ran a 4.27 and has the fastest time thus far in the 2013 NFL Combine.

http://www.cbssports.com/nfl/draft/blog/rob-rang/21760769/2013-nfl-combine-austin-goodwin-run-425-in-40-yard-dash