Select "Login/Register" from the Members drop down menu (or click here - opens in a new window)
Click on "create new account" to load the register page
Fill out your details, and make sure you use your email address which is registered with the club! (if you are not sure, ask Alun King on the Lliswerry Facebook group and he will help you out.)
You should recieve an email within half an hour, check your inbox, and click the link to register the account and set up your password. You can then move onto creating a run and browsing the other runs on the site!