An early autumn storm drenches Road Atlanta GA as Riley Motorsports fights through the 2015 IMSA Petit Le Mans towards a third place GTD podium with their N°93 Dodge Viper GT3-R. (Photo: Mark Windecker)

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An early autumn storm drenches Road Atlanta GA as Riley Motorsports fights through the 2015 IMSA Petit Le Mans towards a third place GTD podium with their N°93 Dodge Viper GT3-R. (Photo: Mark Windecker)
Autumn rains soured the 2015 IMSA Petit Le Mans where the twelfth in class N°33 Riley Motorsports Dodge Viper GT3-R struggled for traction on the soaked southern circuit.
Looking the worse for wear, Riley Motorsports’ N°93 Dodge Viper GT3-R banks through the misty evening settling over Road Atlanta GA to finish the 2015 Petit Le Mans third in class.
Southern showers soak Road Atlanta GA where the N°93 Dodge Viper GT3-R ended the 2015 season rounding out the GTD class podium after a third place finish for Riley Motorsports at the Petit Le Mans.
A cloud of mist chases the N°24 BMW Z4 GTE through the Petit Le Mans where the BMW Team RLL entry closed out the 2015 IMSA Sports Car Championship season with a second place podium.
With the clock ticking down towards the start of the 2015 Petit Le Mans, Riley Motorsports works on the setup of their N°33 Dodge Viper GT3-R ahead of the green flag.
Riley Motorsports concludes the 2015 United Sports Car Championship driving their N°93 Dodge Viper GT3-R through the rain shortened Petit Le Mans towards a third place podium.
Heavy autumn rains cut short the 2015 Petit Le Mans where the N°33 Riley Motorsports Dodge Viper GT3-R settled for a twelfth place finish after struggling to gain ground on the slick Road Atlanta GA circuit.