Breaking 5: overcoming the bike split barrier in IRONMAN
McCutchen going sub-5 and improving his Ironman bike split by more than 10 minutes in just 12 months Going sub-5 for the bike leg of an Ironman is a true milestone. Getting even faster after this benchmark is clearly harder, but not impossible. Just look at age–grouper Matthew McCutchen (47) from Aliso Viejo, California. McCutchen…