During his teens, Alex made several hard ascents including Careless Torque (8A) at Stanage, Voyager (8B) at Burbage North and Pet Cemetary (8a+) at Anstey's Cove. In recent years, he has climbed several hard sport routes at Rumney, including China Beach (8c), Livin' Astroglide (8c+) and The Fly (9a). In 2020, he made the second ascent of Tom Randall's The Kraken V13 in Devon. 

He's no slouch on the competition circuit either and has made the finals of both the British Bouldering Championships and the US Nationals.