Dure MagazineMarch 05, 2021alex staniforth, three peaks challenge, mind over mountains, mountaineer, ultra running, ultra runner, ultra marathonComment Alex Staniforth: Ultra-runner talks about his record-breaking adventure and redefining success Dure MagazineMarch 05, 2021alex staniforth, three peaks challenge, mind over mountains, mountaineer, ultra running, ultra runner, ultra marathonComment