That is to say that a half-marathon performance is a better predictor of your marathon time than is a mile performance. And, the farther apart the distances, the less accurate the Race Times may be. Race performance predictors based on training and previous performances. A marathon time prediction calculator that estimates how fast you’d likely run 26.2 miles based on your previous racing history. By Christie Aschwanden and Ella Koeze. Thus with the faster marathon time and slower 5K time, Daniel’s formula favors long distance runners, while the McMillan is a better bet for those who excel at running short and fast. Enter the distance and time from a recent race. Tanda method marathon race predictor Tanda race predictor. What This Tool Does: Use this calculator to predict your estimated time and pace for any popular running race distance from 1500 meters to the marathon.For best … For the average runner, then, it’s helpful to use a variety of race distances when attempting to predict your marathon finish time. The Runner’s World race time predictor does exactly what it’s title suggests – this calculator lets you input a recent race time, to see what you should be capable of at another distance. 3 GREAT MARATHON PREDICTOR WORKOUTS. Metathon Marathon Predictor. This article is an update to a marathon prediction calculator that originally appeared on … Usage: Enter the distance and time from a recent race. The predictor gives an estimate of your time for a given distance using data from your recent races. Use our race time predictor tool to predict what time you can expect to finish your next 5K, 10K, half-marathon, marathon or ultra race. To bolster his point, he told me that he’d recently run a 2:59 marathon, yet the race calculators would have predicted a finish time of 2:48 based on his most recent half-marathon result. PUBLISHED 3:53 PM EST | Nov 20, 2018. The predictor gives an estimate of your time for a given distance using data from your recent races. The most common method is to extrapolate the same 'age-graded' performance from a recent race of different distance. It is good for setting goal times to be used during training. Interactive graphics and data visualization from FiveThirtyEight. Pick Your Own Super Tuesday Winners And Watch The Race Change. Almaz Ayana won the gold medal in the women’s 10,000 meters at the Summer Olympics on Friday with a blistering pace that obliterated the previous world best to … MarathonGuide.com - the complete marathon resource and community. FiveThirtyEight’s model simulates the primary season thousands of times to find the most likely outcome for each candidate, accounting for the margin of their wins and losses, plus the possibility that a trailing candidate might drop out.