There are more curious race results out there if you look. Check out the Dexter to Ann Arbor half marathon, 2008:
http://resultsarchive.active.com/pages/searchform.jsp#hot_links
(A 2 min gun-chip differential)
4 people were jumped over in the final standings because the differential.
Here's one the two finishing pix, the only ones that pop up on a search.
("man in black look")
http://www.runphotos.com/packages.cfm?file_name=finish/68_0135.JPG
A brief look at other finishers show pix on the course.
Draw your own conclusions.