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PERFORMANCE INDEX<br />

The ITRA’s performance index aims to provide an evaluation of the performance level of trail runners. In particular, it compares the international level of trail<br />

runners against athletes who have never participated in such a competition. But this performance index must not be considered as an international ranking<br />

for trail runners. However, the ITRA is actually studying the possibility of setting up a true ranking which would therefore compliment the performance index.<br />

The performance index is regularly updated (more than 4 900 trail races taken in to account at November 1st 2014 !!!). For each runner, the best 5 races are<br />

taken into account. In the situation where there are not a sufficient number of races, a statistical calculation is made from the known results so as to estimate<br />

their performance level.<br />

TO WHAT LEVEL CORRESPONDS THE PERFORMANCE INDEX?<br />

HOW ARE POINTS CALCULATED?<br />

The distance and the height gain stated by the<br />

organisers are added to the coefficient for the<br />

difficulty of the race. Apart from the distance,<br />

height gain and the difficulty coefficient,<br />

performance is transformed into an equivalent<br />

distance on the flat. Each distance on the flat<br />

is associated with a theoretical maximum<br />

performance (TMP). For each race, each runner is<br />

attributed with a number of points, called “côte”,<br />

out of 1000 which is in relation to both their result<br />

and the theoretical maximum performance<br />

(TMP).<br />

The taking in to account, for each race, of the<br />

distance, the height gain and the difficulty<br />

coefficient allows the attribution of the number<br />

of points (côte) for the different races. Only<br />

the time achieved by the runner is taken in to<br />

account. The runner’s finishing position in the<br />

race is ignored.<br />

This performance index is calculated using all the<br />

trail races which publish an official ranking. With<br />

reference of the definition of trail as defined by<br />

the ITRA, this index takes in to account all those<br />

races in open country which have a minimum<br />

distance on asphalt and which take place in total<br />

or semi self-sufficiency.<br />

The 5 best results from the all the race categories<br />

are taken in to account. In the case where a<br />

runner does not have a sufficient number of<br />

races, a tapered statistical calculation allows<br />

extrapolation of theoretical results of the missing<br />

races, and hence the calculation of the runner’s<br />

performance index. One single race can therefore<br />

be sufficient for a runner to appear in the<br />

performance index.<br />

This performance index is calculated over the last<br />

36 months. This period is long enough to permit<br />

reliable statistical calculations. Furthermore, in<br />

the case of an injured runner, they still appear<br />

in the performance index due to their previous<br />

performances.<br />

The performance index is based on the average<br />

of the runners’ 5 best results, whatever the<br />

category, over the 2 previous years and the year<br />

in progress.<br />

The general index is calculated on the weighted<br />

average of the 5 best results, a mix of categories,<br />

while the category index is calculated on the best<br />

results of the category. For a versatile runner,<br />

often their best 5 races will be spread across<br />

several different categories, which therefore<br />

gives them a better result in the general index<br />

than they would have for each category.<br />

There is one performance index for men and<br />

one for women (but the 2 are calculated using<br />

he same method and it is therefore possible<br />

to compare the level of performance between<br />

people of the opposite sex).<br />

ACTUAL PERFORMANCE INDEX<br />

MEN (GENERAL)<br />

Name Cotation Nationality<br />

Kilian JORNET 937 Spain<br />

Sage CANADAY 928 United States<br />

Luis-Alberto HERNANDO 927 Spain<br />

Rob KRAR 927 Canada<br />

Marco DE GASPERI 924 Italy<br />

Petro MAMU 923 Eritrea<br />

Francois D’HAENE 922 France<br />

Dakota JONES 918 United States<br />

Tadei PIVK 917 Italy<br />

Marc LAUENSTEIN 912 Switzerland<br />

WOMEN (GENERAL)<br />

Name C otation Nationality<br />

Rory BOSIO 806 United States<br />

Stevie KREMER 799 United States<br />

Elisa DESCO 790 Italy<br />

Nuria PICAS-ALBETS 789 Spain<br />

Megan KIMMEL 789 United States<br />

Caroline CHAVEROT 787 France<br />

Emelie FORSBERG 786 Sweden<br />

Martina STRAHL 784 Switzerland<br />

Maite MAIORA-ELIZONDO 782 Spain<br />

Stephanie HOWE 781 United States<br />

JOIN<br />

ITRA!<br />

100 MILES OF ISTRIA 2016 69

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