nice job on the 10k! 🙂 yes, speed training will help. what workout did you have in mind exactly?
I've got the "Improve your Speed" workout from the Nike part of the iTunes store. It's basically a 10 min warm up, followed by 4 mins fast, 4 mins slow, 3mins fats, 3 slow, 2 fast, 2 slow, 1 fast, 1 slow and a 10 minute cool down. It still quite a long run, I was after something more like 30 mins, I guess I could cut the start and end by 10 mins on the MP3!