Horse Race Weight Calculation
You can set up a reusable matrix in an Excel spreadsheet and calculate each horse’s race weight quickly in each race with the following formula:
(Net Force/Acceleration) * gravity (9.81) *2.205-the Assigned Weight = Horse Body Weight during the race
Example:
Justify’s Ky Derby Body Weight
= (1.712049/.02682) *9.81*2.205 = (1,381.8 -126) = 1,255.8 Lbs
The horse’s race body weight will always be less than the before racing scaled body weight because the horse will always lose weight during the race due to the resistance forces it confronted during race. This race weight loss is because of energy expenditure which is velocity and distance dependent.
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