Each year add current race information to your race page. You can see all of your races by visiting your account page then click on track. You can see your account page by clicking on your user name at the top of the page. Log in to see your user name.
You can also click on "Most recently added races" on the race menu then "My recent content"
After you find your race just change the lines which need to updated and click save at the bottom of the page.