The Tulsa Reining Classic presented by Kimes Ranch welcomes Colston Paving and Not Ruf At All as sponsors of the non pro derby at the event scheduled for August 29-September 5 at the Built Ford Tough Livestock Complex at Expo Square.

The Colston Paving-Not Ruf At All Non Pro Derby features the $15,000 Level 4, $5,000 Level 3, $2,000 Level 2, $1,000 Level 1 and $1,000 Prime Time classes. Full terms and conditions can be found here.

“Vaughn Zimmerman and Kevin Colston are tremendous supporters of reining activities,” stated Tulsa Reining Classic presented by Kimes Ranch manager and owner Pete Kyle. “TRC appreciates the Zimmerman and Colston families and is excited to welcome them to the sponsorship family.”

Colston Paving is headquartered in Frankfort, Kentucky and provides paving services to both residential and commercial customers. The Colston family is actively involved with its state reining affiliate, Kentucky Reining Horse Association, and competes in reining events. Lane Colston and Lil Ruf Whizkey won the 2021 NRHA Level 4 Non Pro Derby.

Not Ruf At All, owned by million dollar owners Vaughn and Justin Zimmerman, is the National Reining Horse Association’s (NRHA) highest money earning stallion, with winnings in excess of $456,000. The 2010 sorrel stallion by A Sparkling Vintage x All Ruffed Up by Lil Ruf Peppy, was the 2013 TRC Open Futurity and  NRHA Open Futurity Champion, along with the 2014 NRHA Open Derby Champion.

Entry deadline is August 5 with a discount for stalls prepaid by August 5. Entry forms are available at

The Tulsa Reining Classic presented by Kimes Ranch also hosts the largest National Reining Horse Association Affiliate Regional Championships and features several futurities and derbies, along with other classes for all levels of riders. 

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