Feasibility and Efficacy of Interval Walking in Patients With Colorectal Cancer

Patient allocated to the InterWalk-group will be introduced to the InterWalk app, including instructions on how to down load and use the application. and prescribed to perform Interval Walking for 150 min per week

Patients allocated to the waiting-list control group will be prescribed standard guidelines for the patient group, but will be asked not to download and use the InterWalk app (which is freely available) for the first 12 weeks of the study period. After the first 12 weeks (the control period), patients in this group will receive the same instructions for download and use of the InterWalk app in the following 12 weeks