After wins in Denver and Oklahoma, Manxman David Knight could win a bonus of 50,000 US dollars if he wins the final round of the 2007 American Endurocross Series.
The prize is only paid if a rider completes a triple crown of victories.
He has already enjoyed a superb season in the United States of America by clinching the Grand National Cross-Country title at his first attempt.
Boxing: Tyson Fury's message to Burden ahead of title fight
Manx fighter to compete for Commonwealth belt this weekend
Football: Bass jnr. confirms training squad for men's national side
Thirty-six players called up ahead of upcoming 2026 fixtures
Triathlon: Preparations underway for 2026 Manx season
New middle distance event introduced for latest campaign
Boxing: Tributes paid to 'trailblazer' of sport on Island
Manx ABC confirms passing of former competitor, Jack Osborne
