July 25, 2011 – Tooele, UT: Question: What do you get when you cross a dirt short course track with a formidable man-made rock crawling course? Answer: The Ultra4 American RockSports Challenge.
Hammerking Productions, Inc. the organizers behind King of The Hammers and The Ultra4 Stampede put their own twist on short course racing last weekend at Miller Motorsports Park in Tooele, UT with a brand new race called The American RockSports Challenge which fans are describing as “the best new race since King of The Hammers.” (more…)


