Tom Randall is a British professional rock climber. Randall and his climbing partner Pete Whittaker, known as the Wide Boyz, are considered two of the best crack climbers in the world. They are best known for the first free ascent of Century Crack (8c/5.14b) in 2011. They also produce crack climbing social media content, training material, and specialized equipment. Randall is also co-founder of Lattice Training, a climbing coaching company.
In 2011, alongside climbing partner Pete Whittaker, Randall made the first free ascent of Century Crack (8c/5.14b), then considered the world's hardest offwidth crack climb. Prior to the attempt, they had trained for two years on a wooden replica of the crack in Randall's home's cellar.
In 2015, Randall made the first ascent of boulder problem The Kraken, a 40-foot horizontal roof crack in Hartland Quay, Devon, England. He proposed a grade of 8B (V13), making it one of the hardest crack boulders in the world.
Over the years, Randall has established many new trad routes in England's Peak District. He and Whittaker have also jointly established many routes, particularly in Canyonlands National Park, Utah. They won Climbing magazine's 2016 Golden Piton Vision Award for their climbing in this region, particularly their first ascent of The Millennium Arch.
In 2021, Randall and Whittaker made the first free ascent of The Great Rift, a 2,500-foot horizontal roof crack on the underside of a highway overpass in Devon, England, with pitches ranging from to . The climb was documented in the short film Bridge Boys, which featured in Reel Rock 16.
In 2025, Randall made the first ascent, via free solo, of Autobahn, a 200-foot horizontal roof crack on the underside of a road bridge in Oranienburg, Germany. Considering it harder than Century Crack, he proposed a grade of 8c/8c+ (5.14b/c), making it the world's hardest offwidth.
Randall and his climbing partner Pete Whittaker are together known as the Wide Boyz. Under this name, they produce social media content on YouTube and other platforms and host an annual crack climbing competition known as Crack Fest. They also offer training in crack climbing and produce specialized equipment like crack volume holds and crack gloves.
Alongside Ollie Torr, Randall is co-founder and coach for Lattice Training, a climbing coaching company. Specializing in a data-driven approach, Lattice provides coaching through both private training plans and social media content such as YouTube videos. They have supported elite climbers, including Will Bosi in his second ascent of one of the world's hardest boulder problems, Burden of Dreams (V17).