After Herola started in the Grand Prix for the first time in August 2014 and was also able to get a point in Oberstdorf , he made his debut in the World Cup on November 29, 2014 at the home World Cup in Ruka . In the Gundersen competition on the large hill, he finished 39th. He scored his first World Cup point in the 2015/16 season when he finished 30th in Kuopio in February 2016 . In the overall standings of the season, he finished 59th. In the following year, Herola ranked 65th overall in the 2016/17 World Cup with two points .
He completed his last international competition in February 2018 at the Continental Cup in Eisenerz .