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

martijn buisman
Member since May 12, 2011


calories burned 119


calories burned 1,556


calories burned 147,708

Join martijn buisman on Runkeeper!

Sign up and join martijn buisman today!

Sign Up With Email

Download Runkeeper

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