Motocross riders participate in the 'Red Bull Hare Scramble' race during Erzberg Rodeo near the village of Eisenerz in the Austrian province of Styria June 26, 2011. According to organizers, Red Bull Hare Scramble is the most difficult Enduro race in the world.

A motocross rider participates in the 039Rocket Ride039 race during Erzberg Rodeo near the village of Eisenerz
A motocross rider participates in the 'Rocket Ride' race during Erzberg Rodeo near the village of Eisenerz in the Austrian province of Styria June 23, 2011. Erzberg Rodeo is one of the biggest Enduro races in the world and takes place from June 23 until June 26, 2011. Reuters
A motocross rider participates in the 039Rocket Ride039 race during Erzberg Rodeo near the village of Eisenerz
A motocross rider comes off his bike as he participates in the 'Rocket Ride' race during Erzberg Rodeo near the village of Eisenerz in the Austrian province of Styria June 23, 2011. Erzberg Rodeo is one of the biggest Enduro races in the world and takes place from June 23 until June 26, 2011. Reuters
A motocross rider participates in the 039Rocket Ride039 race during Erzberg Rodeo near the village of Eisenerz
A motocross rider participates in the 'Rocket Ride' race during Erzberg Rodeo near the village of Eisenerz in the Austrian province of Styria June 23, 2011. Erzberg Rodeo is one of the biggest Enduro races in the world and takes place from June 23 until June 26, 2011. Reuters
The paddock of Erzberg Rodeo is pictured in front of Erzberg near the village of Eisenerz
The paddock of Erzberg Rodeo is pictured in front of Erzberg near the village of Eisenerz in the Austrian province of Styria June 23, 2011. Erzberg Rodeo is one of the biggest Enduro races in the world and takes place from June 23 until June 26, 2011. Reuters
Motocross riders participate in the 039Red Bull Hare Scramble039 race during Erzberg Rodeo near the village of Eisenerz
Motocross riders participate in the 'Red Bull Hare Scramble' race during Erzberg Rodeo near the village of Eisenerz in the Austrian province of Styria June 26, 2011. According to organizers, Red Bull Hare Scramble is the hardest Enduro race in the world. Reuters
Motocross riders participate in the 039Red Bull Hare Scramble039 race during Erzberg Rodeo near the village of Eisenerz
Motocross riders participate in the 'Red Bull Hare Scramble' race during Erzberg Rodeo near the village of Eisenerz in the Austrian province of Styria June 26, 2011. According to organizers, Red Bull Hare Scramble is the hardest Enduro race in the world. Reuters
Motocross riders participate in the 039Red Bull Hare Scramble039 race during Erzberg Rodeo near the village of Eisenerz
Motocross riders participate in the 'Red Bull Hare Scramble' race during Erzberg Rodeo near the village of Eisenerz in the Austrian province of Styria June 26, 2011. According to organizers, Red Bull Hare Scramble is the hardest Enduro race in the world. Reuters