At the 2015 SKUSA Pro Tour held at the New Castle Motorsports Park in Indiana, there was a very strong field of almost 50 kids from all over the world. Over the weekend, Diego was able to obtain a top 10 finish on both days, getting 7th on Saturday and 9th on Sunday. Diego had great speed but just had several things not go his way in qualifying and in one of the heat races, and had to come from the back.
Diego traveled to Chilliwack British Columbia for the 3rd round of the Can-Am Karting Challenge. Diego would only concentrate on racing the Minimax at this event. The weekend was a great success with winning both pre finals, and the final on Saturday. Sunday would not be as good as Diego received a 10 second penalty for avoidable contact. Utah in June for the 2014 Rotax Summer Shootout. Diego had two great days of racing against some of the best micromax drivers in the Country getting 2nd on Saturday and 3rd on Sunday. Diego also qualified on Pole on Sunday and won the pre-main.
At the 2nd round of the Rotax US Open in Grand Junction Colorado, Diego took the win in an amazing race that came down to 4 drivers battling for the lead. Diego battled with Ugo Ugochukwu and Joel Jesus Leon for the entire race before taking the lead on the last lap. Lurking in a close 4th was Josh Pierson. After Diego took the lead, Ugo and Joel starting battling for second which allowed Josh to close up the gap, and eventually pass them both for second. Ugo held on for third.