The swim, bike, and run. Brick is a key tool in training for a triathlon. It can be done at many different durations and intensities. Bricks can be modified to bike and run. Just because of time and logistics. So, …
The swim, bike, and run. Brick is a key tool in training for a triathlon. It can be done at many different durations and intensities. Bricks can be modified to bike and run. Just because of time and logistics. So, …