I want to remind everyone that because the Berlin Marathon Appreciation GPS Challenge is a GPS-based challenge you can participate without living in Madrid and running with us. You just need to submit 4 days of GPS proof of your runs, either from Strava or Runkeeper or some such app. So come on and ...Redefine Your Fear with us!

Lactic Acid Junkies Run Crew http://ift.tt/1O0khgV