It happened at the 11k mark of a 22k run. The person in question who fell did not feel tired, but stumbled four times during the run and fell once, unfortunately on a concrete footpath, getting feet caught up in some packing tape left lying on the path.
You may guess who it was if I say that the person had run a hard 25k three days earlier in the Bush Capital events, and followed this up with a short fast race the day after that!
The song title is more accurate than I anticipated it would be.
Disservice

Katy's take on the Bush Marathon 25k

Thanks to Katy for this wonderful work of art. See the original Garmin map at http://geoffmoore.blogspot.com/2008/07/rocky-racoon.html.