Could do, I think it's the week after the Bournemouth half (and full) which my gf had an eye on. I'm waiting to see how my ankle holds up before signing up for anything though. Just come back from a week of rest in SW France and ran at lunch today. 5k without issue.
http://www.salisburyhalf.com/salisbury-half.php - Fancy it @Arducius
Pan-flat, 1.5hrs on train.