The Ultimate Diesel Showdown is Here: UCC 2025!

May 30 – June 1, 2025 | Lucas Oil Raceway | Indianapolis, IN

🔥 Nearly a Decade of Diesel Dominance. A Legacy Built by Legends. 🔥

Since 2016, the Ultimate Callout Challenge has been the proving ground for diesel performance excellence. From Lavon Miller's early domination with record-shattering dyno numbers and lightning-quick passes, to Derek Rose, Justin Zeigler, Tony Burkhard, and Kenny Bruner pushing the envelope year after year — UCC has become the ultimate showcase of innovation, grit, and horsepower. Each year, new records are set, new heroes rise, and the diesel world witnesses the evolution of power at its finest.

🔥 The Heart of Diesel Competition. The Best of the Best. 🔥

The 2025 Ultimate Callout Challenge (UCC) is not just another event — it’s the pinnacle of diesel performance, a battlefield where only the elite compete.

At the heart of UCC is something truly unique:
➡️ An Invitation-Only Competition, where the top competitors from across North America are handpicked to face off in an extreme three-day test of power, endurance, and engineering mastery.

These aren't just racers — they’re builders, innovators, and champions — and they’re bringing the absolute best that diesel technology has to offer.

The UCC Challenge:

• 🏁 Friday: Drag Racing — Full-throttle diesel monsters tear down the quarter-mile, where precision tuning meets raw, ground-pounding horsepower.
• 💪 Saturday: Dyno Competition — Trucks are strapped to the dyno to unleash mind-blowing torque and horsepower numbers. It’s a battle of strength, strategy, and nerves.
• 🚜 Sunday: Sled Pulls — Old-school grit meets cutting-edge engineering as these trucks hook to the sled and fight for every inch.

Only the strongest will survive the challenge. Only the most complete team can claim the title.

And the excitement starts to build as we officially begin announcing the 2025 Competitor Lineup!
You’ll see familiar legends returning to defend their turf, rising stars making their mark, and brand-new teams looking to shake up the diesel world.

Get ready — these are the biggest names, the wildest builds, and the most exciting battles the diesel industry has ever seen.

But the UCC is more than just competition — it’s a full-throttle experience:

• ⚡ Vendor Alley featuring the biggest and best brands in diesel, off-road, and motorsports.
• 🍔 Food trucks, live demos, and giveaways happening all weekend long.
• 🤝 Meet and greet your favorite teams and builders.
• 🎯 Special activities, fan competitions, and insider access you won’t find anywhere else.

Fans — It’s Your Time to Shine!

UCC 2025 isn’t just for spectators — it’s your chance to step into the spotlight and show the world what you’ve built.

Ready to be noticed? Ready to make your mark? Maybe even ready to earn a future invitation to compete on the big stage? It all starts here!

Compete in our fan-driven competitions, where passion meets opportunity:

• ✨ Show-N-Shine — Show off your build and stand shoulder to shoulder with the best in the industry.
• 💥 Dyno Competition — Strap your truck to the rollers and lay down the numbers to get everyone talking.
• 🔥 Burnout Pit — Bring the smoke, bring the thunder, and show you’re not afraid to put on a show.
• 🚜 Sled Pull — Test your machine's strength and pulling power just like the pros.
• 🏁 ODSS Drag Racing — Hit the track with the Outlaw Diesel Super Series and see how your skills measure up against other diesel warriors.

No matter what you drive, there’s a place for you to compete, celebrate, and maybe even start your journey to the UCC main stage.

Whether you’re a hardcore diesel enthusiast, a racer, a mechanic, or someone who just loves to hear a turbo scream, UCC 2025 is where you belong.

This is diesel at its absolute limit. This is the Ultimate Callout Challenge.
Will you be there to witness history — or make it?