Marathon runner suffers brutal low blow during race

The last thing you're expecting while running a marathon is an awful blow to the groin, but that's exactly what this unlucky bloke suffered.

As you can see in the video above, the man plowed groin-first into a bollard as he was running around a bend.

Stationed in the middle of a group of four, he made a sharp left turn on the course and came upon the pole.

With two competitors in front of him and obviously not seeing it, the runner slammed straight into the pole when the group split either side of it.

It hasn't exactly been a great couple of weeks in the world of Olympic sports: