In 2007, Poole moved to dirt modifieds winning the Texas World Dirt Track Championship and in 2009 jumped to asphalt late models. Over the course of three years, Poole set numerous records winning 10 times and becoming the first driver in UARA history to win 3 races in a row and 6 in a season. Poole went on to become the 2011 UARA Series Champion, and a two-time series most popular driver.
Poole also made his ARCA debut in 2011, winning in his first ever start at Salem Speedway. From there he added five more wins to go along with 18 top-fives and 27 top-10’s in 35 ARCA Series starts.
In 2015, Poole made his NASCAR Xfinity Series debut at Las Vegas Motor Speedway scoring a top-10 in his first event. Poole was behind the wheel for a total of 17 races in 2015, full time in 2016 and 2017 in the NASCAR Xfinity Series. During his time in the Xfinity Series, he had 36 top tens, 8 top fives, the Pole Award at Daytona, Dash for Cash qualifications, Rookie of the Race Awards, and crossed the finish line first at Talladega (we are still salty about that win getting taken away!). In 2019, Brennan ran races in the NASCAR Truck Series, finishing 2nd to Kyle Busch and contending for the win in Charlotte. In 2020, Brennan will make his full time NASCAR Cup Series debut in the No.15 Premium Motorsports Chevy Camaro.
As a digital space innovator and influencer, Brennan became the first driver to vlog and develop a monetized YouTube Channel with his "Running with the Bull" series. His content was featured at track on the big screens and acquired hundreds of thousands of impressions across social and digital.
Currently, he is the co-star of “Caffeine Not Included” with Daryl Motte, a YouTube and digital show that covers top news and entertainment/movie reviews.
Brennan’s content often features his passion for extreme sports, skateboarding, playing musical instruments, films and television, pop culture, and his cat, Seek. When Brennan isn’t filming or racing, he can be found at his Xbox playing his F1 racing career mode and getting W’s with his Call of Duty team.
To keep up with “The Bull” follow him on all social media platforms.