Steve Byrnes, the longtime NASCAR analyst, has passed away at the very young age of 56. The longtime announcer, who has worked in the sport for over 30 years, got his start covering races for CBS, TNN, TBS and The History Channel. And in 2001, he made the transition to Fox Sports, covering the Sprint Cup Series and co-hosting NASCAR Race Hub.

Initially, Steve Byrnes was diagnosed with cancer way back in August 2013, but after responding well to the chemotherapy, he was able to return for the 2014 season. However, his return was unfortunately short-lived, as he had to take a leave of absence in October.

But he kept documenting his triumph and struggles through social media, making him an advocate for cancer research. And just this Sunday, NASCAR honored the longtime commentator by renaming the Bristol race “Food City 500 In Support of Steve Byrnes and Stand Up To Cancer.” And while he could not be there, Byrnes tweeted his support and thanks.

Sadly, he passed away two days later, but his legacy will always live on, which will hopefully be some type of comfort to his wife Karen and 12-year-old son Bryson.

And since the news emerged, racers and friends have flocked to Twitter to send out their condolences.

Even President Obama offered his condolences when 2014 Sprint Cup Champion Kevin Harvick visited the White House yesterday.

“I also want to offer my condolences to everybody in the NASCAR community on the passing of a legendary reporter and broadcaster, Steve Byrnes,” the President said. “I know a lot of fans’ thoughts and prayers today are with his wife, Karen, and his son, Bryson.”

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