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We found a DIESEL ONLY truck race... and it pays $100,000!

September 06, 2026 1 min read

We're out at the Ultimate Callout Challenge in Indianapolis, Indiana, covering the new Seventy2Fast class, where dozens of the quickest diesel trucks in the country are racing for an incredible $100,000 winner's purse—one of the biggest payouts we've ever seen in diesel motorsports.