The Elusive Sub-2:30 Marathon: Ironman’s Run Record Finally Broken by Casper Stornes
On September 14, 2025, triathlon history was made. Norway’s Casper Stornes achieved what many considered impossible: running a 2:29:22 marathon at the Ironman World Championship in Nice—the first official sub-2:30 marathon in World Championship history. The Historic Achievement Marathon Times Comparison Athlete Year Race Marathon Time Pace per km Pace per mile Gap to Sub-2:30 […]