10. INA Rally Kumrovec is an international sporting event organized by Automobile club „Delta Sport“ Zagreb in cooperation with Krapina-Zagorje County, Muncipalities Kumrovec, Zagorska Sela and Tuhelj, as well as company Terme Tuhelj. The event will be held from 2 till 4 September, 2021.

The competition is listed in calendars of International Automobile Federation (FIA) and Croatian Automobile & Karting Federation. It will be counted for FIA Central European Zone Championship, International Zone Croatian Championship, Croatian Championship, Zagreb Open Championship and Alpe Adria Cup.