Photos: Quad racing in Brookston

1/12: Andrew Schroetter of Rosemount, Minnesota, competes in the quad 16-29 class Sunday, August 23, at Echo Valley Motocross Track. (Tyler Schank / tschank@duluthnews.com)

2/12: Participants in the 50cc rec and semi stock divisions take off from the starting gate Sunday, August 23, at Echo Valley Motocross Track during quad MX races. (Tyler Schank / tschank@duluthnews.com)

3/12: Dirt flies as Andrew Schroetter of Rosemount, Minnesota, and Riley Valiant of Eden Valley, Minnesota, round Echo Valley Motocross Track Sunday, August 23 during quad MX races. (Tyler Schank / tschank@duluthnews.com)

4/12: Sisters Mayah (left), 7, and Gabriella Hergert (right), 4, of Forest Lake, Minnesota, and Ryder Negen (center), 7, of Belle Plaine, Minnesota, have some fun between races Sunday, August 23, at Echo Valley Motocross Track. (Tyler Schank / tschank@duluthnews.com)

5/12: From left: Riley Valiant, Shane Gray and Andrew Schroetter race Sunday, August 23, at Echo Valley Motocross Track. (Tyler Schank / tschank@duluthnews.com)

6/12: Jasson Bauer of Wahkon, Minnesota, rounds a turn at Echo Valley Motocross Track Sunday, August 23 during quad MX races. (Tyler Schank / tschank@duluthnews.com)

7/12: Quad racers compete Sunday, August 23, at Echo Valley Motocross Track. (Tyler Schank / tschank@duluthnews.com)

8/12: Quad racers line up at the starting gate Sunday, August 23, at Echo Valley Motocross Track. (Tyler Schank / tschank@duluthnews.com)

9/12: People watch quad MX races from the stands Sunday, August 23, at Echo Valley Motocross Track. (Tyler Schank / tschank@duluthnews.com)

10/12: Dirt flies as Jim Meyer of Sabeka, Minnesota, rounds a turn Sunday, August 23, at Echo Valley Motocross Track. (Tyler Schank / tschank@duluthnews.com)

11/12: Quad racer Jason Schnoetter of Ellsworth, Wisconsin, speeds down Echo Valley Motocross Track Sunday, August 23. (Tyler Schank / tschank@duluthnews.com)

12/12: Montray Thomas of Shelving, Minnesota, gets major air as he passes by onlookers Sunday, August 23, at Echo Valley Motocross Track. (Tyler Schank / tschank@duluthnews.com)

Photos: Quad racing in Brookston

Sunday's double header was the first quad event Echo Valley Motocross Track has hosted in eight years. Growing pressure from riders convinced owners Spencer and Amber Kadlec to take on the races. Ninety-two racers registered for the first round of quad MX races.