Sofie rotates Mark
Here's a description of the contestant's attempt. Someone's probably working on collecting some images to illustrate it.
Sofie sits Mark on one of the tire swings, and twists the ropes holding the tire together as much as she can manage, predicting that she will get Mark to rotate 45 times. Mark actually rotates 49 times, and Sofie comes second.
(Written by Jenny R and proofread by Karl Craven)