The Contest and the Walk Wednesday: Conclusion of The Walk and Temptation Thursday: Conclusion of Temptation and Beginning of Major Challenge Friday: Behind the scenes Weeks 10–15 Sunday: Weigh-in Monday: The Contest and the Walk Tuesday: Conclusion of The Walk and Temptation Wednesday: Conclusion of Temptation and Beginning of Major Challenge Thursday: Behind the scenes Teams Contestants There is slated to be four teams of four, totaling up to 16 contestants. Weigh-Ins Contestants Below the Yellow Line Below the Yellow Line and Week's Biggest Loser The week's biggest loser The contestant returned to the competition Had immunity for the week LEFT – The contestant left the competition before a weigh-in (by choice or challenge or expulsion) Gained weight and below the yellow line Had immunity but lost it due to gaining weight, and below the yellow line Had immunity and the week's biggest loser Gained weight at the Surprise Immunity Weigh-In Won Immunity at the surprise Immunity Weigh-In Weigh-in for previously eliminated contestants Last Person Eliminated before finale Winner (among finalists) Winner (among eliminated) BMIs Healthy Body Mass Index (less than 25.0 BMI) Overweight Body Mass Index (25.0 – 29.9 BMI) Obese Class I (30.0 – 34.9 BMI) Obese Class II Index (35.0 – 39.9 BMI) Obese Class III (40.0 or above) Notes In week 7, Selena weighed in 48 hours prior the other contestants after her team lost a challenge. Her result was 3.9 kg. In week 12, Graham had a 1 kilo disadvantage so his weight loss of 6.6 kilos was reduced to 5.6 kilos. In week 12, Lydia had a 1 kilo advantage so her weight loss of 3.2 kilos was increased to 4.2 kilos. Leaderboard Weight loss history Percentage loss history Major Challenges Week 1 – Ferry Pull – In the first challenge, the teams were required to pull an 18-ton ferry 500m down a river using a row boat, at which point they had to unhook the ferry, turn round and row their way back to the start line. The first team to cross the finish line would get a 2 kg advantage at the first weigh-in. Due to injury, Alex could not take part, so was replaced by the Commando. As a result, the other three teams were also given the opportunity to replace one of their team members with their trainer. The winners were the Black team, followed by Red, Blue and White.