With competitors divided up into four separate heats, with the top four athletes advancing through to the final, Henshaw produced two consistent runs, scoring 83.33 in the first run and 80 points in his second.
With Henshaw's first run score of 83.33 counting in the best of two format, he fell agonisingly close with just one point separating the fourth and fifth place skiers.
Henshaw had to settle for fifth in his heat, and an overall placing of 18th.
After the event, Henshaw was u-beat despite his near finals miss.
"Four go through to finals from each heat, I got 5th in my heat."
"Super frustrating but really happy with how I'm skiing!"
In the final, victory went to Canadian Teal Harle with American's McRae Williams and Gus Kenworthy in second and tird place.
Silvaplana was the final stop on the World Cup circuit, with Henshaw finishing the season ranked eighth in the World.
The next event for Henshaw will be at the FIS Freestyle World Championships taking place next in Sierra Nevada, Spain, from March 17-19.
Image courtesy Russ Henshaw Instagram