David Knight is on the verge of a third major title in three years.
Having twice won the World Enduro Championship, the Manx star can win the Grand National Cross-Country series in the United States this weekend.
He goes into the final round - The Ironman in Indiana on Sunday- with a 21 point advantage.
Twelfth place or better will secure another triumph.
David says the pressure to succeed has been intense (audio file attached):
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