In the top three sub-group, no differences were observed between male and female correlations. Top 10 women seemed to benefit more from increasing temperatures than top 10 males, and male top 100 runners seemed to benefit more from increasing temperatures than female top 100 runners. Overall runners became slower with increasing temperature and sunshine duration, however, elite runners (i.e., top 3 and top 10) seemed to run faster and improved their race times when the temperature increased (with women improving more than men). There was no significant trend with time in any of the weather variables (e.g., no increase in temperature across the years). Sunshine was predominant in 25 of the events, whilst in the other 21, cloud cover was predominant. Within the 46 years of Berlin marathons under study, there was some level of precipitation for 18 years, and 28 years without any rain. We performed analyses regarding performance levels considering all finishers, the top 3, the top 10, and the top 100 women and men. A total of n = 882,540 valid finisher records were available for analysis, of which 724,135 correspond to male and 158,405 to female runners. The aim of this study was to investigate the potential influence of environmental conditions such as temperature, precipitation, sunshine, and atmospheric pressure on marathon race times in the Berlin Marathon since its first event in 1974–2019. The influence of environmental conditions has been investigated for different marathon races, but not for the Berlin Marathon, the fastest marathon race course in the world. 6Laboratory of Exercise Testing, Hellenic Air Force Academy, Acharnes, Greece.5School of Health and Caring Sciences, University of West Attica, Athens, Greece.
Beat Knechtle 1,2*, David Valero 3, Elias Villiger 2, José Ramón Alvero Cruz 4, Volker Scheer 3, Thomas Rosemann 2 and Pantelis T.
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