The 26-year-old from Warrandyte in Victoria put down an impressive opening run scoring 90.50 points to lead all competitors after the first round of finals.
Going past James in the second run was Yuto Totsuka from Japan who moved into first place with a score of 93 points. Totsuka increased his score on his third and final run with a huge 96.25 points to take the gold medal.
Rounding out the podium in the bronze medal position was Jan Scherrer of Switzerland who scored 87 points in is final run.
“Happy to come out here representing Australia doing the best I can, and that is really what I did today and that was a second place,” said the 2018 Olympic bronze medallist.
“Today I learnt a lot of lessons and things I will be able to move forward and put into play when I go into my offseason. I have tricks I want to achieve, and I will be back to where I want to be.”
“Huge thankyou to everyone back home that has been supporting me to this day. I wish I could have brought back a gold medal but give me a little bit of time and I will do no doubt do it again.”
In his World Championship debut, 15-year-old Australian snowboarding prodigy Valentino Guseli was unlucky not to make the 10-man final, missing out by just one place in eleventh position. In the women’s event Emily Arthur finished in tenth place, matching her best performance of the season.
The athletes will remain in Aspen for another week, with the World Cup final scheduled to take place on March 21. James will be looking to win his fourth World Cup Crystal Globe title and finish the season with a victory.