Marc Jansz is using Runkeeper to track their running, walking and biking activities and you should too!

Marc Jansz
Member since July 08, 2010


calories burned 1,001


calories burned 16,310


calories burned 1,337,766

Join Marc Jansz on Runkeeper!

Sign up and join Marc Jansz today!

Sign Up With Email

Download Runkeeper

Runkeeper on the Apple App Store Runkeeper on the Google Play Store