Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Motorcycle sport:

"

Time and observation trials are trials with a time limit. The first person who completes the route sets the "standard time"; all other competitors must finish within a certain period after that time to be counted as a finisher, receiving penalty points for every minute they are behind. This is combined with the penalty points accrued from the observed sections to determine the winner. One of the most famous time and observation trials is the Scott Trial held annually in North Yorkshire.[citation needed]