Dietary Intake of Recreational Endurance Runners Associated with Race Distance—Results from the NURMI Study (Step 2)
Derrick Tanous; Karl-Heinz Wagner; Claus Leitzmann; Mohamad Motevalli; Gerold Wirnitzer; Thomas Rosemann; Beat Knechtle; Katharina Wirnitzer
While the popularity of distance running is growing worldwide, endurance runners&rsquo: dietary challenges associated with their prolonged training and racing activities have not yet been fully understood. The present investigation was conducted with the aim of examining the association between race distance and dietary intake of distance runners. A total of 317 runners initially participated, and after data clearance, 211 endurance runners (57% females) were finally considered the study sample. Runners were assigned to three race distance groups: 10-km (n = 74), half-marathon (n = 83), and marathon/ultra-marathon (n = 54). An online survey was used to collect data: dietary intake was monitored using a comprehensive food frequency questionnaire, including 53 food groups categorized in 14 basic and three umbrella clusters. There was no significant difference (p >: 0.05) between race distance groups in consumption of most food clusters except for &ldquo:fruits and vegetables&rdquo: and &ldquo:total of protein&rdquo:, with a predominance of 10-km runners compared to half-marathoners and (ultra-)marathoners (p &le: 0.05). Age was a significant predictor for the consumption of only five (out of 17) food clusters (p &le: 0.05), including &ldquo:fruit and vegetables&rdquo:, &ldquo:unprocessed meat&rdquo:, &ldquo:processed meat&rdquo:, &ldquo:eggs&rdquo:, and &ldquo:plant protein&rdquo:. Future investigations with a larger sample size and more differentiated (sub)groups may help provide comparable data to develop a better understanding of the dietary behaviors among shorter versus longer distance runners.
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