The pup trotted onto the course mid-race before happily greeting exhausted athletes at the finish.

Add Yahoo as a preferred source to see more of our stories on Google. Jennifer Aniston reacts to her dogs interrupting her grueling workout in a few clips she shared to her Instagram story on Thursday ...

Jamie shared this clip of a moment when a dog decided to stir trouble at the most unpredictable moment. ''I was grabbing some lunch on the high street, and I saw this dog interrupting a funeral ...