The Winter Run Series seems like the perfect way to keep up motivation - a 10km run through the streets of a major city, passing iconic landmarks and a "snow zone" on the way. Whether you're a seasoned runner hoping to improve your time (sub 1-hour 10k, please!) or a newbie - 10k is a great distance to run, if you're just starting out with running then there's time to train to get up to that distance by January (or February for the Manchester race). You can use Elle's code for getting £3 off your entry - just enter SIMPELLE when signing up.
I'll be doing the London Winter Run and hoping that it gets me motivated to keep up the outdoor running in December and January and to start the new year with a clear goal rather than waiting until 1st January and berating myself for not keeping up the running. I actually saw the London race last year when coming back from a marathon-training 10 miler and was insanely jealous that the Winter Run runners were measuring the distance in kilometres not miles and were getting water handed to them!
Let me know if you sign-up!