Sam McDonald broke the motorcycle lap record at Hallett Motor Racing Circuit in Hallett, Oklahoma Sunday, June 3. Timed by the CMRA, McDonald set a new record at 1:18.61 in the Unlimited GP race, breaking the previous record of 1:18.91 set by Rick Kirk in 1998. McDonald was riding a K&N Motorcycles-sponsored Yamaha YZF-R1 on Michelin DOT-labeled tires.