And now you know the rest of the story!

As is often the case the full story eventually emerge - original explanation by the organisers blamed the supplier.

http://www.bbc.com/news/uk-england-south-yorkshire-26938226?

... and something good came out of the "chaos"

http://www.theguardian.com/commentisfree/2014/apr/07/sheffield-half-marathon-runners-farce-water-shortage