But other searches also work and they all show special icons and results. For example, swimming olympics shows a blue swimming icon:
Here are several more icons, representing searches in the flavor of basketball olympics, baseball olympics, gymnastics olympics, and so on:
The following sports followed by the word “olympics,” in theory, should all work: Archery, Athletics, Badminton, Baseball, Basketball, Beach Volleyball, Boxing, Canoe/Kayak Flatwater, Canoe/Kayak Slalom, Cycling BMX, Cycling Mountain Bike, Cycling Road, Cycling Track, Diving , Equestrian, Fencing, Football, Gymnastics Artistic, Gymnastics Rhythmic, Trampoline, Handball, Hockey, Judo, Modern Pentathlon, Rowing, Sailing, Shooting, Softball, Swimming, Synchronized Swimming, Table Tennis, Taekwondo, Tennis, Triathlon, Volleyball, Water Polo, Weightlifting, and Wrestling.
Note that all the results do link to the official Beijing Olympics web site.
Last Olympics, Google partnered with NBC to show OneBox results. I have a screen capture of that from 2006 at the Search Engine Roundtable.