It is well known that driving a race car is a very demanding endeavor. The body is stressed both physically and mentally, creating circumstances which are difficult to replicate in any single activity. I wanted to take this opportunity to share a little insight as to what the body is experiencing while driving.
Below is a graph overlaying two of my heart rate traces. The blue trace was recorded during a qualifying session at Iowa Speedway; the green trace was recorded during a mountain bike race. The data shown reflects roughly a five minute sample of each activity.
