Ben Rhodes has won the NASCAR Truck Series title in 2021, while Chandler Smith is victorious in the season finale at Phoenix.
- One of the championship favorites John Hunter Nemechek had a flat tire in the opening laps of the race, putting his title hopes in jeopardy.
- Ben Rhodes was the highest-placed Championship 4 driver in both opening stages, while polesitter Chandler Smith took the green-white checkered flag in both cases.
- Zane Smith passed Rhodes with 41 laps to go to get in the championship-winning position.
- Rhodes made an impressive move on Smith with less than 10 laps to go and went on to finish the race 3rd, which secured him the 2021 title.