 So Paul Revere actually rode to Lexington and Concord before he rode to Lexington and Concord. Right. That's why he knew the route so well. But he got back to Boston in plenty of time for the fireworks that followed. How did the Patriots finally find out that Concord was the target? Well, it was due to the alertness of a young stable boy at the Province House, a popular gathering place for British officers.