PHOTOS: Annual Smashing Cancer Demolition Derby roars to life for 12th run – Austin Daily Herald

A pair of cars come together during the 12th annual Smashing Cancer Demolition Derby Saturday at the Mower County Fairgrounds. Eric Johnson/photodesk@austindailyherald.com

A car makes a run through the smoke during the 12th annual Smashing Cancer Demolition Derby Saturday at the Mower County Fairgrounds. Eric Johnson/photodesk@austindailyherald.com

Gavin Swenson is pushed up into the barrier during the 12th annual Smashing Cancer Demolition Derby Saturday at the Mower County Fairgrounds. Eric Johnson/photodesk@austindailyherald.com

Cars crash together during the 12th annual Smashing Cancer Demolition Derby Saturday at the Mower County Fairgrounds. Eric Johnson/photodesk@austindailyherald.com

A car is run up against the barrier during the 12th annual Smashing Cancer Demolition Derby Saturday at the Mower County Fairgrounds. Eric Johnson/photodesk@austindailyherald.com

Flames jet from the engine of a car during the 12th annual Smashing Cancer Demolition Derby Saturday at the Mower County Fairgrounds. Eric Johnson/photodesk@austindailyherald.com