Bidding Wars This week's food temptation actually puts the trainers to the test! If Bob, Kim or Jillian gives in to temptation, they could possibly give their team a 15-second advantage in the upcoming physical challenge. But is setting a bad example for the teams worth the reward? In the physical challenge, the contestants race up and down a hill to their team flag as fast as they can. But there's a catch — the teams bid on how fast they think their times will be. The reward for winning is revealed at the weigh-in, and sadly another teammate is sent packing.