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Ultra Distance Calculator | Race Prediction

Ultra Distance Calculator - Predicts ultra-marathon times (50K, 100K, 100mi) from marathon time

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Ultra Distance Calculator

Predicts ultra-marathon times (50K, 100K, 100mi) from marathon time.

Methodology

Predicts ultra-marathon times (50K, 100K, 100mi) from marathon time. Uses fatigue factors: 50K x1.274, 100K x2.77, 100mi x4.85.

FAQ

How does this work?
Predicts ultra-marathon times (50K, 100K, 100mi) from marathon time. Uses fatigue factors: 50K x1.274, 100K x2.77, 100mi x4.85.
How accurate?
Predictions improve with similar race distances and recent performances.
What affects accuracy?
Training, weather, terrain, race day nutrition, and tapering all affect actual performance.
Should I use this for goal setting?
Yes, use as a starting point. Adjust based on training and conditions.

Predictions based on mathematical models. Actual performance varies.

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