I added some oversized pylons to San Fran Int, one at the end of each runway, so they more or less form a square. Take off, do three circuits, winner is the first one to land again and come to a stop without overturning and crashing!

The file for the pylons is here:
www.metaphor.karoo.net/GBrace.bgl
Save it to your Addon Scenery/Scenery folder. Don't blink or you'll miss the download - it's only 0.3kb!
Life is too short to take this sort of thing seriously.
Gryshnak ;D