The FIM have released details of the 2015 X-Trial Indoor World Championship with dates and venues as follows. Interestingly, although no venue has been confirmed yet there is also apparently to be an "X-Trial des Nations" currently scheduled for 3rd April
The provisional dates for the 2015 X-Trial Championship are:
3rd January - Sheffield, United Kingdom
31st January - Marseille, France
6th February - Pau, France
8th February - Barcelona, Spain
14th March - Wiener Neustadt, Austria