The DTM has outlined the specific details of the new two-race format, which will commence at Hockenheim's season opening round on May 1-3.

The series has elected to reintroduce two-races per weekend 13 years after it was last used in 2002, making it a nine-event calendar offering 18-races over the year.

Last season's knockout format of qualifying has also been scrapped in place of two 20-minute sessions, which will decide the order for each of the two races.

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Both races will offer the same points but will run over different distances. Saturday's race will last for 40 minutes plus one lap, with the option of making a tyre change while Sunday's duration lasts for 60 minutes plus one lap and will require an obligatory pit-stop.

The championship came under fire in 2014 after it was suggested by leading figures in the paddock that the then current regulations, which dictated the pit-stop window, didn't allow for any strategic freedom during the races.

"With two championship rounds per weekend we provide the spectators twice as much of the things that count: more door-to-door battles, more thrilling decisions, and more fascinating motor racing," said DTM boss Hans Werner Aufrecht.

"And we are convinced that the differing race formats will make for entertaining and thrilling races."