I've heard several people say that du's are harder physically then tri's so I was wondering what everybody's opinoin is..
The argument has been that when your upper body is tired of swimming you move on to the riding and when your legs are tired of riding you move on to running. Different muscle groups are used for the 3 different disciplines. Du's are harder because you are running twice.....
The argument has been that when your upper body is tired of swimming you move on to the riding and when your legs are tired of riding you move on to running. Different muscle groups are used for the 3 different disciplines. Du's are harder because you are running twice.....