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31 Jul
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07 Aug
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52 Minutes
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25 Seconds
MotoGP
24 Jul
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07 Aug
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Formula E
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Berlin ePrix IV
09 Aug
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NASCAR Cup
02 Aug
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08 Aug
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IndyCar
17 Jul
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21 Aug
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WEC
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19 Nov
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Supercars
12 Jul
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15 Aug
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Latest news on SpeedSource

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Franchitti gets Mazda prototype seat for Sebring 12h

Marino Franchitti has been added to the Mazda Prototype team for next month's Sebring 12 Hours.

Mazda reveals new DPi prototype

The RT24-P with which Mazda will be gunning for the IMSA WeatherTech SportsCar Championship next year was unveiled today at the LA Auto Show.

Mazda drivers rueful after dominance turns to defeat

Jonathan Bomarito says he is “gutted” for the team after both Mazda Prototypes failed to score a representative result at Laguna Seca, after dominating the weekend.

Mazda adds all-star spotters to Daytona effort

NASCAR regulars will he helping out on the spotter's stand.

Hinchcliffe returns with Mazda for Rolex 24

The IndyCar star will pilot the No. 70 Mazda SpeedSource prototype.

Top 20 photos of 2014: the outtakes

Here are the 51 honorable mentions that didn't quite make the cut for our top 20 photos feature.

Bomarito turns first laps in Mazda Prototype

Jonathan Bomarito’s career has come full circle.

Not unemployed for long: Bomarito back with Mazda

SRT Viper pulls the plug on program, sending Bomarito back to familiar territory.

Petit Le Mans halfway report

The race has been action packed thus far.

TUDOR Championship an automotive partner showcase at Detroit

A total of 11 official automotive partners are competing this year in IMSA, 10 in the inaugural TUDOR Championship season.

Are P2 cars soon to be history in the TUSC?

The Tudor United Sports Car Series continues to lose P2 cars as the DP teams take all the glory in the newly formed series.

IMSA news and notes: Showcase at Long Beach

This weekend, many of the world’s coolest sports cars will be racing on the streets of Southern California.

Apr 9, 2014

IMSA news and notes: TUSC at Long Beach

Here are some fast facts regarding the TUDOR United Sports Car Championship as they head to Long Beach.

Sebring's 12-hour endurance classic a celebration of sports car merger

What to expect in the first Sebring 12 Hour since the merger.

The DeltaWing coupe logs 288 laps and 1,035 miles in 16 hours of Rolex 24

The 2014 Rolex 24 at Daytona was the first 24 hour endurance race for the DeltaWing coupe .

Mazda joins forces with IMSA as Official Automotive Partner

Two-Car Prototype entry, event sponsorship part of three-year partnership.

Andersen Promotions announces partnership with Motegi Racing

Andersen Promotions today announced a new technical partnership with leading high performance wheel manufacturer Motegi Racing.

Successful Private test sessions at Daytona provide valuable information to IMSA officials

The events at Daytona open the inaugural TUDOR United SportsCar Championship.