WinStar World Casino 350K

WinStar World Casino 350K

Venue	Texas Motor Speedway
Sponsor	WinStar World Casino
First race	1999
Distance	220.5 miles (354.86 km)
Laps	147
Previous names	O'Reilly 300 (1999) O'Reilly 400 (2000) Silverado 350 (2001-2003) Silverado 350K (2004-2008) WinStar World Casino 350 (2009)

The WinStar World Casino 350K is a NASCAR Camping World Truck Series race that takes place at Texas Motor Speedway. The 1999 race was 300 kilometers and the 2000 race was 400 kilometers. Starting in 2001, the race is now 350 kilometers. From 2001 through 2004, the races were 146 laps. Starting in 2005, the scheduled laps are now 147.

Past winners

Year	Date	Driver	Manufacturer	Race Distance		Race Time	Average Speed (mph)
				Laps	Miles (km)
1999	October 15	Jay Sauter	Chevrolet	125	187.5 (301.752)	1:24:57	132.43
2000*	October 13	Bryan Reffner	Chevrolet	167	250.5 (403.14)	2:13:01	112.933
2001	October 5	Travis Kvapil	Chevrolet	146	219 (352.446)	1:57:18	112.02
2002	September 13	Brendan Gaughan	Dodge	146	219 (352.446)	1:35:24	137.736
2003	October 11	Brendan Gaughan	Dodge	146	219 (352.446)	1:47:04	122.727
2004	October 16	Todd Bodine	Toyota	146	219 (352.446)	1:54:06	115.169
2005	November 4	Todd Bodine	Toyota	147	220.5 (354.86)	1:43:10	128.259
2006	November 3	Clint Bowyer	Chevrolet	148*	222 (357.274)	1:46:39	124.895
2007	November 2	Ted Musgrave	Toyota	149*	223.5 (359.688)	1:42:05	131.363
2008	October 31	Ron Hornaday Jr.	Chevrolet	147	220.5 (354.86)	1:44:49	126.22
2009	November 6	Kyle Busch	Toyota	147	220.5 (354.86)	1:30:26	146.296
2010	November 5	Kyle Busch	Toyota	147	220.5 (354.86)	1:39:57	132.366
2011	November 4	Kevin Harvick	Chevrolet	148*	222 (357.274)	1:49:50	121.275

• 2000:Greg Biffle clinched the 2000 series title in this race, additionally, driver Tony Roper was severely injured in a crash on lap 33, and died the following day, becoming the third NASCAR fatality that year.
• 2006, 2007 & 2011: Race extended due to a Green-white-checker finish.