Here is the full list of all 10 DownStream: VR Whitewater Kayaking achievements.
Finish a course on the first attempt without using a checkpoint
Achieve a gold medal on any course
Finish a course without taking damage
Use Armour 50 times
Use Grappling Hook 50 times
Travel 5Km using the Windsail
Travel 50Km
Complete All Rocky Mountain Courses
Complete All Arctic Courses
Complete All Desert Courses