It will depend on how often you take part in high risk activities and how risky the activities are.
Your life rates may go up a some due to the high risk activities, but it is not an automatic decline for coverage.
If it’s just a recreational activity or a one time activity on your vacation, your risk is low and the life insurance companies probably may not even take it into consideration when deterring your rate for life insurance coverage.
Learn about life insurance for high risk people