By Tom Gillespie @TomGillespie1
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Roughly 15 participants took part in the competition, which was held in the Llanthony Valley in Wales.
The fearless riders mount the animals with the intention of staying on as long as they can, with most lasting less than a few seconds.
Competitors have to cope without a saddle to keep them balanced, as the ponies furiously kick their legs in the air and try to shake them off.
Photographer Darragh Mason Field attended the show, which was staged in the Black Mountains in Monmouthshire.
The 39-year-old from Dublin said: “I have to say it was quite an interesting sight.
“The ponies are coming to the stage where people will soon ride them, so there is some kind of sense behind it.
“Most people lasted just a few seconds, the longest time I think was 7.5 seconds.
“I think there were a few minor injuries on the day but that’s it.”
The rodeo took place at the Llanthony and District Show on August 1.
The event has been going since 1962, and was set-up in response to a 1959 BBC documentary about the area called 'The Dying Valley'.
Local people set up the event to prove the area was still thriving.