Calories swimming per hour
500 calories for easy>medium front crawl swimming and because water is much denser than air it can burn up 800 calories per hour for fast swimming.
Calories for Swimming Britain = Sean will swim 8 hours a day = 56 hour week
9 weeks = 504 hours = Minimum total calories to cover 1,000 miles = 252,000
Loss of weight =72 lbs (5.14 stone) almost half Sean current body weight or more than 20 shopping trolleys full of food.
Cold water will slow the metabolism down so the body may end up burning fewer calories, generally a loss of heat will require more food to be consumed during and between swimming the length of Great Britain.
Depending on fatigue and conditions Sean will take 45>80 strokes per minute
Total number of strokes taken will be at least 1,980,000 or almost a million for each arm.
At least 2.0 litres of air will be expelled and inhaled with every breath during swimming
Total amount of air during swim Britain will be in excess of 2 million litres
Oxygen require during just swimming Britain is likely to be 3,500 mL/Minute x 60 minutes x 8 hours
1,680 litres of oxygen a day x 9 weeks = 105,840 litres of Oxygen just during the swim