As a stadium announcer for global governing bodies including World Athletics, World Para Athletics, England Athletics, the English Cross Country Association and UK Athletics, Harrison has established himself as a recognised and trusted voice in the sport of athletics. His expertise also extends to road running, serving as an event host and MC for premier mass-participation organisers such as London Marathon Events and RunThrough.

Beyond stadium announcing, Harrison brings significant broadcast media experience. With a production background at BBC Radio 5 Live, he delivers seamless, multi-format commentary tailored for broadcast, livestream, and social media audiences. He is a television athletics commentator with Vinco and Runnerspace, and provides radio and TV coverage of live football across England’s top five divisions for BBC, DAZN, and Leicester City. His versatile portfolio also includes commentary and presenting across boxing, 3x3 basketball, Muay Thai, netball, and more.

Harrison also works in sports social media, creating engaging and informative content for organisations such as the Wanda Diamond League, Runnerspace, Vinco, and DyeStat. He produces impactful digital content both during live events and as part of wider promotional campaigns, helping sports reach and inspire new audiences.