Rod Hall. He turns 80 tomorrow, Nov. 22, and just won the 2017 Baja 1000 Stock Full with his Hummer H1 Alpha.

Rod Hall now has a race record 25 class wins
he has more podium finishes than any American off-road racer
one overall win in 1969
the only overall win in a four-wheel-drive vehicle.
and is the only racer who has competed in all 50 SCORE Baja 1000 races.

http://www.automobilemag.com/news/rod-hall-24-time-baja-1000-winner/#1969-ford-bronco-rear-end
https://www.facebook.com/HallRacingUsa/