The FIM have released details of the various World Championship calendars for 2017. These are as follows:
Trial World Championship
13th & 14th May - Camprodon, Spain
26th - 28th May - Motegi, Japan
17th & 18th June - Sant Julia, Andorra
24th & 25th June - Lourdes, France
8th & 9th July - Tong, UK
28th - 30th July - Kingman, USA
9th & 10th September - Sokolov, Czech Republic
16th & 17th September - Arco di Trento, Italy
FIM Trial Cup 125cc
13th & 14th May - Camprodon, Spain
26th - 28th May - Motegi, Japan
17th & 18th June - Sant Julia, Andorra
24th & 25th June - Lourdes, France
8th & 9th July - Tong, UK
Women's Trial World Championship
28th - 30th July - Kingman, USA
9th & 10th September - Sokolov, Czech Republic
16th & 17th September Arco do Trento, Italy
FIM Trial des Nations
23rd & 24th September - Baiona, Spain
All European events one counting day. All events outside of Europe two counting days