Here's pretty much the definition of "agony of defeat": Ethiopian steeplechase competitor Birhan Getahun, already far at the back of his qualifying heat at the end of the race, fails to navigate the final hurdle and slams down to the track. (Steeplechase hurdles, unlike those used in the hurdle events proper, don't give way.)
He attempted to finish, and we really, really wish we were bringing you video of him limping across the finish line. That would be awesome, and inspirational, and and one of those Things We Actually Like. Alas, he could not continue and was taken out of the stadium in a wheelchair.
For a handy master schedule of every Olympic event, click here.