The Executive Committee is responsible for the organization of the medical care of the participants of the Four Days of the Yser. Treatment of injuries caused by walking are covered by the registration fee.

For other medical problems or to obtain medication, you'll need a medical insurance card (World Assistance, …). A medical certificate to participate is not necessary.

Every day, a medical aid station is set up at the starting and finishing point.
Three more aid stations are spread along the route. 
Three doctors are continuously at the disposal of the participants on the track.