YES!
You will be required to prove that you have adequate personnel insurance prior to the ride date. Please check that your holiday insurance covers you for off road cycling, most do as this is not classed as extreme MTB. It must also cover you for any medical expenses, travel delays or cancellations..
We highly recommend that you also insure your bike along with it's associated equipment as generally, these will not be covered by any travel insurance. Remember to ensure it covers you in Europe and for events; these are normally options.
We will not take any responsibility for any loss or damage to you, your bike or equipment prior, during or post event.