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From Fellrnr.com, Running tips
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Aiming to be the best VDOT calculator, this will generate [[VDOT]] and [[FIRST]] training paces, predicted race times with adjustments for temperature, body weight and altitude. This calculator will show paces for the second and third editions of the book. See [[Jack Daniels Running Formula]] for details of the changes for the third edition.
{{DISPLAYTITLE:VDOT Calculator with adjustments for temperature and body weight, plus FIRST training paces}}
= VDOT Calculator =
* You may have several race results that indicate different VDOT values. If the races are all reasonably recent and reflect your current fitness level, use the best VDOT number. If you've been injured or had a break from training since your last race, you should not use an old race result.
* This VDOT Calculator will also attempt to compensate for races run in hot conditions. This is based on the research documented at [[Impact of Heat on Marathon Performance]] and is an estimate only. If you enter your weight, the VDOT Calculator will predict your race performances at different body weights, assuming the weight change is due to body fat only.
* If you provide your greatest weekly distance, this calculator will output the [[Long Run|long runs]] for the Jack Daniels marathon plansPlan A and Elite Plans.
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