Hi Tracy I often run this distance and further and find that carb gels (one every 30 - 40 mins) or carb drink work wonders. The gels are in your system within 15 mins of taking them.
The gels I use are
SIS Go gel
http://www.wiggle.co.uk/p/cycle/7/Scien ... 360010677/
or the High5 gel
http://www.wiggle.co.uk/p/cycle/7/High5 ... 360024212/
and the drink I use
http://www.wiggle.co.uk/p/cycle/7/High5 ... 360025040/
If you want solids
http://www.torq.ltd.uk/acatalog/torq_energy_bars.htmlAs with all of these things your stomach is a tricky and gentle thing when you put it under stress like a long bike rides or runs and you may find you do not get on with theses but there are so many alternatives on the market you can experiment with them all in training.