The EPA and the Department of Justice have reached an innovative environmental agreement with Ohio-based Marathon Petroleum Company that already has significantly reduced air pollution from all six of the company’s petroleum refineries.

Even though hundreds of thousands more people finished grueling 26.2 mile marathons in the United States in 2009 compared to a decade earlier, a runner’s risk of dying during or soon after the race has remained very low — about .75 per 100,000, new Johns Hopkins research suggests.