Blah. One way ticket and drive it back. Vary the rpms a bit and use different gears. Take two lane highways and back roads.
It's amusing that people don't realize that these motors are run pretty dang hard at the factory and road tested hard prior to getting loaded on the boat. How do you think all these cars come with 4 to 5 miles on the clock? It's not from driving around in a port parking lot. I promise you that. It's standard practice in the industry across all makes to road test before leaving the factory. I've done work at the Kansas City Ford plant (made the prior Escapes, F150s, Transit) and GM plant (Malibu and Lacross). At both facilities, the cars are broad tested and it's a hard test as witnessed by myself. Essentially a slalom, threshold braking, hard acceleration to around 50mph, then a multi mile road test. This is coming STRAIGHT off the line and right after a chassis load test (basically like a dyno).
A part of Subaru's recommended 1,000 mile break-in procedure also has to do with proper break-in of the clutch and brakes. It's not all about the motor.