Impact of Environmental Parameters on Marathon Running Performance El Helou, Nour ; Tafflet, Muriel ; Berthelot, Geoffroy ; Tolaini, Julien ; Marc, Andy ; Guillaume, Marion ; Hausswirth, Christophe ; Toussaint, Jean-François Abstract Publication: PLoS ONE Pub Date: May 2012 DOI: 10.1371/journal.pone.0037407 Bibcode: 2012PLoSO...737407E