A participant of the Wild Sau Dirt Run 2015 passes a mud barrier in Obertriesting, Lower Austria, Austria, Saturday, April 4, 2015. The Wild Sau Dirt Run is a cross country and steeplechase race for men and women over the distances of 5, 10 and 20 kilometers (3.1, 6.2 and 12.4 miles). (Photo by Ronald Zak/AP Photo)

A participant of the Wild Sau Dirt Run 2015 passes a mud barrier in Obertriesting, Lower Austria, Austria, Saturday, April 4, 2015. (Photo by Ronald Zak/AP Photo)

A participant of the Wild Sau Dirt Run 2015 makes his way through the mud in Obertriesting, Lower Austria, Austria, Saturday, April 4, 2015. (Photo by Ronald Zak/AP Photo)

A participant of the Wild Sau Dirt Run 2015 passes a mud hole in Obertriesting, Lower Austria, Austria, Saturday, April 4, 2015. (Photo by Ronald Zak/AP Photo)

A participant of the Wild Sau Dirt Run 2015 passes a mud hole in Obertriesting, Lower Austria, Austria, Saturday, April 4, 2015. (Photo by Ronald Zak/AP Photo)

Participants start the Wild Sau Dirt Run 2015 in Obertriesting, Lower Austria, Austria, Saturday, April 4, 2015. (Photo by Ronald Zak/AP Photo)

A participant of the Wild Sau Dirt Run 2015 passes a mud obstacle in Obertriesting, Lower Austria, Austria, Saturday, April 4, 2015. (Photo by Ronald Zak/AP Photo)

A participant of the Wild Sau Dirt Run 2015 passes a mud hole in Obertriesting, Lower Austria, Austria, Saturday, April 4, 2015. (Photo by Ronald Zak/AP Photo)