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 124


calories burned 1,701


calories burned 152,445

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