A few days ago scientists predicted that global warming would cause marathon times to slow.
Will Climate Change Slow Marathon Times?
Climate change is blamed for melting ice, shrinking animals and brewing more intense storms around the globe — but is it slowing the top finish times at the Boston Marathon? Not yet, researchers found, though future increases in temperature could mean fewer records are broken.
Today’s Chicago Marathon will almost certainly be the coldest on record, with forecast high temperatures close to 50 degrees.