VDOT From Race Result Calculator

Evaluate named Daniels race-performance VDOT regression on bounded running branch; modeled performance score not measured VO2 max, training permission or medical fitness.

Description

VDOT is a race-performance regression score.

VDOT is a race-performance regression score. It is distinct from a laboratory measurement of oxygen uptake.1

The returned values include Modeled daniels vdot, Race mean meters per minute. The How section below explains the calculation, input rules and interpretation.

When to use VDOT From Race Result Calculator

Use VDOT From Race Result Calculator when you need to evaluate the supplied records under the calculation and evidence rules below. No measured VO2max, medical fitness or training permission is established.

Prepare the observed race, match or training records and the stated units. Supply independently verified rule editions, calibration tables and targets where requested.

How to use VDOT From Race Result Calculator and understand its results

  1. Prepare the observed race, match or training records and the stated units. Supply independently verified rule editions, calibration tables and targets where requested.
  2. Enter raceDistanceMeters, raceTimeMinutes using the field table and calculation rules, then run the tool.
  3. Read modeledDanielsVdot, raceMeanMetersPerMinute. The explanation below defines the units, signs, ordering and any flags or placeholder values.
  4. If the tool reports an input issue, correct the values and run it again. Apply the stated assumptions when interpreting a successfully returned result.
Input fieldMeaningValue type; see rules belowRequirement
raceDistanceMetersRace distance metersnumberRequired
raceTimeMinutesRace time minutesnumberRequired

Enter positive distance and integer duration 1–1000 minutes, yielding speed 50–500 m/min. Evaluate the named Daniels regression and return score and mean speed.

v=distance/minutes; VDOT=(−4.6+.182258v+.000104v²)/(.8+.1894393exp(−.012778t)+.2989558exp(−.1932605t))

Units, indexing, boundary conditions and exceptional cases are defined in the calculation rules above.

Output fieldMeaningValue type
modeledDanielsVdotModeled daniels vdotnumber
raceMeanMetersPerMinuteRace mean meters per minutenumber
json
{
  "input": {
    "raceDistanceMeters": 5000,
    "raceTimeMinutes": 20
  },
  "output": {
    "modeledDanielsVdot": 49.806233428066335,
    "raceMeanMetersPerMinute": 250
  }
}

Limitations and assumptions

No measured VO2max, medical fitness or training permission is established.

Numeric inputs, where present, must be finite. Follow the calculation-specific rules for overflow, underflow and exceptional cases. Missing required fields, extra fields, wrong value types and violations of the calculation rules are input errors.

Alternative or Complementary methods

Use Easy Run Pace From VDOT Lookup: An easy-pace table can give a VDOT-specific interval under a verified edition. Interpolation stays inside its supplied coverage. For a complementary task, use Riegel Race Time Prediction Calculator: Riegel scenarios extrapolate a race time with a caller fatigue exponent. Different historical races can yield different predictions.

References

  1. VDOT From Race Result Calculator — tool.io

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