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Exhaust: Where do Riders Actually Get Tired?
Jason Weigandt

Jason Weigandt

Exhaust: Where do Riders Actually Get Tired?

January 24, 2018 3:35pm
by: Jason Weigandt
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  • Where do Supercross Riders Actually Get Tired? - Supercross

The Exhaust Podcast is brought to you by Yoshimura R&D of America. Yoshimura is "The Leader in Performance" and has been for 60 years. With unmatched skills, knowledge and passion for racing, Yoshimura is on the forefront of the aftermarket. Yoshimura exhaust systems are race bred and feature the same legendary performance, fit, and quality that has been our trademark for six decades.

MX-Tech suspension manufactures professional aftermarket suspension for riders who want excellent comfort and control. MX-Tech’s quality engineering is based on a lifetime of specializing in dirt bike suspension. Inspired by motocross, the National shock is a works-grade level shock that utilizes the latest in technology and coatings to deliver maximum performance, and it is the lightest shock available. MX-Tech ships worldwide and is ready to help you become faster and better than the competition. MX-Tech suspension is engineered for success.

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Angel Stadium Anaheim, CA Anaheim 2 (A2) Monster Energy AMA Supercross Championship

The folks at LitPro recently sent us some data from the early rounds of Monster Energy Supercross (LitPro is a high-definition GPS device attached to a rider's helmet, and it can measure G-force, heart rate, bike angle, line selection, and more) and some numbers really made an impact. Heart rate data is, of course, amazing in this sport. Christian Craig was carrying a heart rate above 200 during his races at Anaheim 2, and he held it there with no problem—which many doctors would probably claim isn't even possible. But Christian said that's just normal for him!

That's merely the end result, though. What makes a rider's heart rate go so high? What sections of the track are the most difficult?

LitPro also revealed that riders will sustain up to 2.8 Gs of acceleration force just launching off the line off the start, and again as they grab gears down the straight. 2.8 Gs is a lot, considering the start is completely flat. What about the jumps and the whoops?

To really understand, I talked to Justin Brayton at the end of the Anaheim 2 Supercross and quizzed him regarding certain sections of the track. Surprisingly, Brayton actually says jumps are the easiest part of the track, and he will even use long rhythm lanes to rest and get his heart rate down during a race. The tough stuff? Tight turns, whoops, and any obstacles that require a rider to transition from sitting to standing. At Anaheim 2, the tight section after the start created the most fatigue.

Check out the video below to watch our conversation. I threw in some video clips of the Anaheim 2 race to help further illustrate the sections Brayton was talking about. The toughest part of Anaheim 2? Brayton believes it was three slow rollers after the first set of whoops. Looks way easier than jumping something big, but that's not how it actually works.

Also at Anaheim, a lot of talk about the shorter eight-minute first main event. Do riders actually pace themselves slightly? Can they go faster if the race is shorter? Brayton explains it here. 

  • Privateer Profile: Three Rounds with the Underdogs Privateer Profile: Three Rounds with the Underdogs 2:00pm
  • On This Day in Moto: January 24 On This Day in Moto: January 24 5:30pm
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