Prediction error: your method vs RunSignup

Percentage-pacing model vs a pace-based projection, scored against actual aid station arrivals.
Data Updated Next refresh Legs scored
Each method predicts arrival at the next station from the runner's time at the prior one. Your method scales by the pacing profile, RunSignup by course mileage (holding pace constant). Median, Mean, SD are of the error magnitude in minutes; Bias is the mean signed error (negative = predicts early). Drag the slider to see the numbers as they stood at any point in the race.