Today we know driver Mark Martin at age 54 as one of the fittest drivers in the garage. It has been that way with Mark for many, many years. His regimines on the rowing machine have been well documented.
When Mark first came to Cup at age 22 in 1981, he was fast from the get-go, winning poles at both Nashville and Richmond in just 5 starts. However, the heavy Cup cars with no power steering were a handful. That's why Mark became such a fitness guru. It sure paid off.
The Bob Brown photo below of 22 year old Mark taking oxygen after completing 398 of 400 laps in the 1981 Wrangler SanforSet 400 at the demanding old Richmond Fairgrounds Raceway half-mile bears little resemblance to how a fit and beefed up Mark always looks fresh as a daisy when he climbs out of his cars today.
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"Any Day is Good for Stock Car Racing"
updated by @dave-fulton: 12/05/16 04:00:58PM