Agnew has been climbing seriously since 2000 and has climbed, guided and/or co-guided on all seven continents. Expeditions include climbs in New Zealand and throughout South America, including the technically demanding Mt Fitzroy 3,405 m (11,171 ft), Patagonia, Argentina, volcanos in Ecuador and many peaks in Argentina, Chile, Peru and throughout the European Alps, prior to climbing in the Himalayas.