The excitement in the Rotax MAX Challenge Euro Trophy is rising. This weekend, the Austrian engine manufacturer's international championship will herald the second half of the season. More than 160 drivers will gather at Karting Des Fagnes in Mariembourg, Belgium. On the track 160km west of the traditional Circuit of Spa-Francorchamps, the organizers expect exciting racing action as they head into the home straight of the top-class racing series.