This December, I’ve been going strong with #RWRunStreak, pledging to run at least mile a day from Thanksgiving to New Year’s.  On days when I’m short on time and can’t do a full workout, it’s easy to jump on the treadmill for 10 minutes or less.  No excuses.  But when I really want to add some strength moves to make for a quick, full-body workout, I discovered a fun at-home themed challenge called the “12 Days of Christmas.” Co-founders Ariana Chernin and Jillian Lorenz of Chicago-based Read More