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Silver Mountain Xtreme Challenge – One of the best Hard Enduros in the US

Nearly 500 riders took on the 2019 Silver Mountain Xtreme Challenge, round four of the AMA Extreme Enduro Series – Keith Curtis takes the win from Trystan Hart and Colton Haaker. 


One of North America’s biggest and best Extreme Enduros this year formed part of the new AMA Extreme Off-Road State Championship run over June 22-23 weekend. The Silver Mountain location was stunning and perfect for an extreme event.

The Silver Mountain Xtreme Challenge turned out to be battle between Keith Curtis, Trystan Hart, Colton Haaker and Max Gerston. In a tight race for the top positions with Hart out in front for much of the race before Curtis took over in the river section called “Fox Trot”. 

StixandStones Extreme 2019 Curtis Hart Gerston 560

It was Idaho local Keith Curtis who took the scalps of the more established international extreme riders in the race, his second victory in two years. Curtis is actually a multiple snowmobile champion but don’t be fooled, the guy knows how to ride a dirt bike and can call himself an Erzbergrodeo finisher (in 2017). 

StixandStones Extreme 2019 hill climb 560

The battle for third place was really close between Max Gerston and Colton Haaker. Gerston was in front for much of the race before Colton stole a move on the very last hillclimb. Haaker went on record as saying it was one of the best hard enduros he’d ridden in the US.

Top five results:

  1. Keith Curtis
  2. Trystan Hart
  3. Colton Haaker
  4. Max Gerston
  5. Dustin McCarthy

20 people crossed the finish line, 16 of whom did it within the allotted time limit. 

The course was epic, several super steep rocky hills, river beds, creek crossings, some foggy weather up the hills and some sunshine, mostly perfect conditions. Very much like a European Extreme Enduro.

StixandStones Extreme 2019 scree 560

Chairlifts took spectators around the course with one of the highlights for fans being an EnduroCross-style section of track with a pit full of tyres, logs, and rocks which riders referred to as ‘struggle bus’.

StixandStones Extreme 2019 struggle bus 560

There were 15 women lined up in the women’s class, and 2 additional women who raced the A class. Jamey Parks took first overall for women. 

StixandStones Extreme 2019 women competitors 560

More information: stixandstonesoffroad.com


Photo Credit (and help with the race summary): Mary @ MJSMotoPhotos
Byline jp ISDE 2018 Enduro21
Jon Pearson
Enduro21 Editor and Bike Tester