Olympic medals are easier to win in the afternoon

Scientists studied swimming events at the Athens 2004, Beijing 2008,  London 2012 and Rio 2016 Games and compared the heats, semis and finals by time of day. https://www.dailymail.co.uk/sciencetech/article-8820067/Olympic-medals-easier-win-afternoon.html?ns_mchannel=rss&ns_campaign=1490&ito=1490