Michael Waltrip Racing

Truex sets course for repeat bid of 1st career NASCAR title

Martin Truex Sr. had a familiar deckhand this week when he unhitched his boat for a fishing trip off South Florida. Truex first brought his son into the family business aboard a clamming boat as a teenager. The son would rise before dawn, sometimes sprung to life from the chilly bite at sea or the ruckus of choppy waves.

Martin Truex Jr. knew early he wouldn't anchor to a life at sea.

"I just remember trying to stay awake in between tows. This is so boring," he said, laughing. "Then you got to go outside and freeze your you-know-what off for 30 minutes at a time. I remember it being tough and thinking that I don't want to do this for the rest of my...