PIC BY Claudio Sieber / CATES NEWS

These jockeys show bull racing isn't only dangerous - but it's also dirty work.
The riders can be seen holding onto the reigns of their racers and being dragged through the mud at full-pelt.

PIC BY Claudio Sieber / CATES NEWS

The races are part of 'Pacu Jawi' festival, where jockeys race their bulls against each other in competition.
Claudio Sieber caught the races in Padang Luar village, Indonesia, on camera.

PIC BY Claudio Sieber / CATES NEWS

Claudio said: "Each jockey balances barefoot on a pair of wooden plow tools called Papik, which both are loosely tightened to the humpback of each bull.

PIC BY Claudio Sieber / CATES NEWS

"As the bulls are just tied together with thin rope, it makes it difficult to keep them heading in the same direction, this is why grabbing their tails comes in handy – like a steering wheel.