In 1994 Zink Ranch and the Tulsa Trail Riders hosted one of the toughest International Six Days Enduro events ever. In fact, it may have been the toughest of all.  It was also only the second ISDE event held in North America. The terrain here is rocky and technical. A lot of excellent riders retired early from the event as it was just too difficult to carry on for six consecutive days. This website is a tribute to the event, its volunteers, and competitors.

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Today, Zink Ranch still has an excellent relationship with the Tulsa Trail-riders, and the off-road motorcycle community hosting National Enduro events on an annual basis.