Monster Energy Cup hits Sam Boyd Stadium — PHOTOS

AMA Supercross riders Deven Raper (447) of Mesa, AZ and Kyle Chisholm (11) of Valrico, FL battle for position during the last chance qualifier for the Monster Energy Cup at Sam Boyd Stadium in Henderson Saturday, Oct. 17, 2015. Josh Holmberg/Las Vegas News Bureau

AMA Supercross rider Axell Hodges of Encinitas, CA is seen practice for the Amateur All-Stars race before the start of the Monster Energy Cup at Sam Boyd Stadium in Henderson Saturday, Oct. 17, 2015. Josh Holmberg/Las Vegas News Bureau

Amateur All-Stars AMA Supercross riders race into turn 1 during the first heat race of the Monster Energy Cup at Sam Boyd Stadium in Henderson Saturday, Oct. 17, 2015. Josh Holmberg/Las Vegas News Bureau

AMA Supercross riders Deven Raper (447) of Mesa, AZ crashes as rider Gared Steinke (726) is able to safely pass during the last chance qualifier for the Moster Energy Cup at Sam Boyd Stadium in Henderson Saturday, Oct. 17, 2015. Josh Holmberg/Las Vegas News Bureau

Amateur All-Stars AMA Supercross riders race over a jump during practice before the start of the Monster Energy Cup at Sam Boyd Stadium in Henderson Saturday, Oct. 17, 2015. Josh Holmberg/Las Vegas News Bureau

Monster Energy Cup AMA Supercross rider Jason Anderson of Edgewood, MN (21) is seen riding in the sand trap during the first heat race of the Monster Energy Cup at Sam Boyd Stadium in Henderson Sarturday, Oct. 17, 2015. Josh Holmberg/Las Vegas News Bureau

Monster Energy Cup AMA Supercross riders race into turn 1 during the second heat race of the Monster Energy Cup at Sam Boyd Stadium in Henderson Sarturday, Oct. 17, 2015. Josh Holmberg/Las Vegas News Bureau

AMA Supercross rider Broc Tickle of Holy, MI (20) is seen in front of fans during the first heat race of the Monster Energy Cup at Sam Boyd Stadium in Henderson Sarturday, Oct. 17, 2015. Josh Holmberg/Las Vegas News Bureau

Monster Energy Cup AMA Supercross riders race over the first jump during the second heat race of the Monster Energy Cup at Sam Boyd Stadium in Henderson Sarturday, Oct. 17, 2015. Josh Holmberg/Las Vegas News Bureau

Monster Energy Cup AMA Supercross rider James Stewart of Haines City, FL (7) is seen riding in the arc part of the track during the first heat race of the Monster Energy Cup at Sam Boyd Stadium in Henderson Sarturday, Oct. 17, 2015. Josh Holmberg/Las Vegas News Bureau

Monster Energy Cup AMA Supercross riders race into turn 1 during the second heat race of the Monster Energy Cup at Sam Boyd Stadium in Henderson Sarturday, Oct. 17, 2015. Josh Holmberg/Las Vegas Review-Journal

Sam Boyd Stadium is seen before the start of the main event of the Monster Energy Cup at Sam Boyd Stadium in Henderson Sarturday, Oct. 17, 2015. Josh Holmberg/Las Vegas News Bureau

Sam Boyd Stadium is seen as pyrotechnics explode before the start of the main event of the Monster Energy Cup at Sam Boyd Stadium in Henderson Sarturday, Oct. 17, 2015. Josh Holmberg/Las Vegas News Bureau

Sam Boyd Stadium is seen as pyrotechnics explode before the start of the main event of the Monster Energy Cup at Sam Boyd Stadium in Henderson Sarturday, Oct. 17, 2015. Josh Holmberg/Las Vegas News Bureau

Photos: Monster Energy Cup hits Sam Boyd Stadium

Sam Boyd Stadium is seen as pyrotechnics explode before the start of the main event of the Monster Energy Cup at Sam Boyd Stadium in Henderson Sarturday, Oct. 17, 2015. Josh Holmberg/Las Vegas News Bureau

Pyrotechnics explode on the last lap of the second heat race of the AMA Supercross Amateur All-Star class during the Monster Energy Cup at Sam Boyd Stadium in Henderson Sarturday, Oct. 17, 2015. Josh Holmberg/Las Vegas News Bureau

Sam Boyd Stadium is seen before the start of the main event of the Monster Energy Cup at Sam Boyd Stadium in Henderson Sarturday, Oct. 17, 2015. Josh Holmberg/Las Vegas News Bureau

Sam Boyd Stadium is seen as pyrotechnics explode before the start of the main event of the Monster Energy Cup at Sam Boyd Stadium in Henderson Sarturday, Oct. 17, 2015. Josh Holmberg/Las Vegas News Bureau