There are 26 DC challanges in the game.
In order to get this achivement you need to get at least bronze in all of them.
You can check how many you have completed in
My dirt - stats - career
Season 1. 7 challenges.
Season 2. 4 challenges.
Season 3. 4 challenges.
Season 4. 5 challenges.
Gymhkana world tour. 1 challenge
Head 2 head world tour. 1 challenge
Landrush world tour. 1 challenge
Rallycross world tour. 1 challenge
Rally world tour. 1 challenge
Trail blaze world tour. 1 challange
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