The rules are simply, you must run every day in DECEMBER. Minimum of three miles or 25 minutes – which ever comes first. The challenge starts on December 1 and finishes on December 31. And yes, that includes Christmas Day.
It's not a competition. Just a personal challenge or an incentive to burn off some beer and turkey dinners.
The history: This all started in 2009, when Marco challenged himself to run every day in November. I decided to follow suit and run every day in December. I posted the challenge – and dubbed it the Marcothon - and before I knew it there was a group of runners equally eager to embrace the winter conditions of December 2009. In 2010, the group was added to Facebook and attracted over 500 runners from across the globe. Last year, we had over 2000!