Competitors are off the line at 8 a.m. and have until 6 p.m. to complete 115 miles of racing. More than 100 will start, few will finish.

Photo by: Emme Hall/CNET

Rock sections are named to intimidate: Wrecking Ball, Jackhammer, Hell's Gate. A winch is absolutely necessary.

Photo by: Emme Hall/CNET

Co-drivers are responsible for keeping the driver on track, running up to winch points and changing tires.

Photo by: Emme Hall/CNET

A good luck charm on the back of a rig.

Photo by: Emme Hall/CNET

Big tires and big shocks are necessary if you want to take the podium at the Smittybilt Every Man Challenge.

Photo by: Emme Hall/CNET

My, what a large bumper you have! With limited rear visibility and incredibly loud engines, it's often difficult for drivers to see behind them. If another driver catches them it's legal to give the slower rig a little tap, or "nerf," just to let them know they've been pulled.

Photo by: Emme Hall/CNET

Rigs carry one spare and one high-lift jack. The hope is to not have to use either. A tire change adds precious time.

Photo by: Emme Hall/CNET

Gertrude the Jeep. Wonder if it was named after the driver's grandmother?

Photo by: Emme Hall/CNET

This rig isn't racing, but it looks pretty badass and it's for sale!

Photo by: Emme Hall/CNET

Straight axles are best for getting up and over the rocks, but they can slow drivers down in the high-speed desert section.

Photo by: Emme Hall/CNET

If these rigs don't make you want a Jeep, I'm not sure what will.

Photo by: Emme Hall/CNET

You can watch the Smittybilt Every Man Challenge live today, February 4, at www.ultra4racing.com/live

Photo by: Emme Hall/CNET

These rigs have to crawl over ridiculously large rocks and perform on high-speed desert sections.

Photo by: Emme Hall/CNET
Latest Galleries

VIDEO

Do you have Google Home?

If you don't like the stock appearance of Google Home, here are two quick and easy ways to make it truly yours.

Latest From Roadshow