I Tried The World's Hardest Pro Workout. Did I Survive?

When Norwegian WorldTour pro Jonas Abrahamsen posted a mind-boggling 5-hour indoor session featuring 10 x 20-minute intervals at LT1, we knew we had to put it to the test. Conor hops on Zwift at GCN HQ, equipped with a blood lactate monitor and core body temperature sensor, to see if an everyday cyclist can survive a pro-level training day. Along the way, he checks in with elite coach Olav Aleksander Bu to break down the sports science and gets mid-ride encouragement and cookie advice from Jonas himself. Chapters: ⏱️ 00:00 - The Craziest Workout Ever 01:24 - Breaking Down the Session 03:00 - T