To run a good preparation, you need to adapt it to your upcoming race. This requires to learn about it, study its race course, know its challenges, get a good understanding of the possible weather conditions. All these aspects will help you to focus on the areas you need to train and get prepared for.
The attached video is a good opportunity to learn about the upcoming edition of BikingMan in France. Through the eyes of the veterans who participated to the recce, you will learn about some of its challenges and get to hear their thoughts.