Greg Hancock won his third world title, after taking top-five placings in all but one race he contested, including a victory at the British round, in Cardiff.
Like Smolinski, Slovenia's Matej Žagar was a first-time winner in the Finnish round at Tampere, en route to a fifth-place finish in the championship.
Other winners were Andreas Jonsson in Vojens and Bartosz Zmarzlik, who won on a wildcard appearance, on home soil, at the Edward Jancarz Stadium.
Darcy Ward failed a pre-meeting alcohol breath test before the Latvian Grand Prix and received an immediate ban.
[5] Early in October 2013, former world champion Tomasz Gollob accepted a nomination for the series, but later withdrew from the competition due to unforeseen developments in his sponsorship program.