Tyler Reddick was so ill at Darlington Speedway that he was desperate to expel his stomach virus during the race because he didn’t think he could make it the 500 miles to the finish.

Tyler Reddick clinched the Regular Season Championship in the NASCAR Cup Series at Sunday's race at Darlington Raceway.

Tyler Reddick had one of the toughest races of his career and still did enough to win the regular season. During Sunday's NASCAR Cook Out Southern 500,

Tyler Reddick keeps his spot atop the NBC Sports NASCAR Power Rankings after winning the regular season championship last weekend at Darlington Raceway. Two new drivers enter this week’s top 10 after the Southern 500. Now come the playoffs, beginning this weekend at Atlanta Motor Speedway (3 p.m. ET Sunday on USA Network).

Tyler Reddick had arrived early at 23XI Racing’s Airspeed headquarters one day last week, before the sun had fully risen. Walking by and noticing the No. 45 Toyota that he’ll drive this weekend at Darlington Raceway as it sat on the pristine arena-like floor,

The 23XI Racing co-owner and six-time NBA champion joined the No. 45 team after it narrowly secured the Cup Series’ regular-season title.

Tyler Reddick’s journey to the NASCAR regular season title was nothing short of a rollercoaster! Battling not just fierce competition but also a brutal stomach bug, Reddick had to dig deep at Darlington to hold off Kyle Larson and clinch the crown.