Brembo brake facts: IndyCar at Baltimore

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Two fast straights leading into tight corners highlight the Grand Prix of Baltimore street circuit and braking challenges for the IZOD IndyCar Series this weekend. As at Sonoma, Brembo brake facts have been supplied again for this weekend to illustrate the speed differential from the end of straights heading into corners.

Once cars launch from the chicane onto the rest of the front straight, the IndyCars will reach an estimated top speed of 162 mph before decelerating to roughly 45 mph in 482 feet in 3.9 seconds, at an estimated G loading of 3.28 Gs.

Launching from Turn 1, through the Turn 2 kink, the second tough braking point is heading into Turn 3. Top speeds reach 150 mph but the cars have to slow to 33 mph for the right-hand, 180-degree hairpin, one of the tightest corners on the 2013 calendar all year. Braking distance there is 430 feet in 4.08 seconds.

A mix of medium and low speed corners make up the rest of the 13-turn, 2.04-mile circuit that’s fairly hard on brakes, but particularly at Turns 1 and 3.

Alex Marquez wins first MotoGP #StayAtHomeGP Virtual Race

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Alex Marquez of Spain won the inaugural MotoGP #StayAtHomeGP Virtual Race as the world’s premier bike racing series followed other motorsports into online racing.

The #StayAtHomeGP, which was streamed Sunday on several platforms including the Motorsports on NBC YouTube channel, featured a field of 10 riders competing on their console gaming systems at home.

Francesco Bagnaia was the runner-up, and Maverick Vinales rounded out the podium.

INDYCAR iRACING: Sage Karam wins Watkins Glen opener

Defending MotoGP premier series champion Marc Marquez, the older brother of the rookie race winner and his teammate at Repsol Honda Team, finished fifth.

Here’s a recap of the race from the MotoGP site.

The premier class of MotoGP has yet to hit the track this season as its opener was canceled and the next three races were postponed, including the Grand Prix of the Americas being moved from April 5 to Nov. 15.

Several other racing series have tried online racing in recent weeks.

IMSA held a “SuperSaturday at Sebring” March 21 in place of the postponed Mobil 1 Twelve Hours of SebringNASCAR started its Pro Invitational Series last Sunday at Homestead-Miami Speedway and will continue Sunday at Texas Motor Speedway. IndyCar kicked off its six-race IndyCar iRacing Challenge with a Saturday race at Watkins Glen International that was won by Sage Karam.