12/1/17:  The "Trundle Wheel" makes a surprise comeback as Chris and Robbie work up a sweat in the first round of the Sports Tonight Challenge - but who was quicker over a mile? That race pales in comparison to the upcoming Standard Chartered Marathon, and we meet two UAE residents with an unconventional approach to the ultimate test for a runner. We also catch up with Rafa Cabrera Bello and elite cyclist Matej Mohoric ahead of the Dubai Tour.