http://indrus.in/articles/2012/10/17/kazan_hosted_an_unusual_dirty_run_competition_18445.html
Kazan hosted an unusual dirty run competition
ITAR-TASS
On October 6, Kazan hosted a new and unusual competition under the name “Dirty Run.” The venue was the Mamadyshky circuit, which is an arterial road in Kazan (capital of the Republic of Tatarstan).