Are you faster if you weigh less?
Are you faster if you weigh less? Perhaps the best-known algorithm in endurance sports is 1 pound = 2 secs/mile. In other words, for every pound of body weight lost, a runner should expect their pace to drop an average of two seconds per mile.
How fast can a 300 lb person lose weight?
The heavier person can create a bigger calorie deficit than the lighter person. The 300-pound person could reduce calorie intake to 1500 calories per day, resulting in a calorie deficit of 1000 calories a day or about 2 pounds lost per week.