The 16th hour of the Rolex 24 at Daytona included only 20 minutes of racing before fog rolled in across Daytona International Speedway bringing out a full course caution.
In what green flag running did take place in the first third of the hour Max Angelelli took the lead, staying out in the VelocityWW sponsored Wayne Taylor Racing Corvette DP when Juan Pablo Montoya pitted from the lead.
Angelelli remained on the track, or at least in the lead, when the caution flew, leading Ryan Dalziel through the murk at the end of the hour. Behind pitstops during the extended yellow flag shook up the order the lead lap cars, Spirit of Daytona Racing ending the hour in third, ahead of the #9 Action Express Racing Corvette, the car the team have remaining in realistic competition for the victory. Montoya’s #01 Chip Ganassi Racing with Felix Sabates entry ended the hour in fifth.
In GT Sean Edwards briefly led the class for MOMO/NGT Motorsport, though, as in DP pitstops in th fog would change the order, shuffling the #69 and #63 Ferraris to the lead of the class for the end of the hour ahead of the Alex Job Racing and Rum Bum Racing Audi R8. The NGT Porsche was in fifth position as the race clock ticked past eight hours remaining.
Napleton Racing continue to lead the GX class, as they have done all race.
2013 Rolex 24 at Daytona Daytona Prototype standings after 16 hours
1 – #10 Wayne Taylor Racing Corvette DP
2 – #2 Starworks Motorsport Ford-Riley
3 – #90 Spirit of Daytona Racing Corvette DP
4 – #9 Action Express Racing Corvette DP
5 – #01 Chip Ganassi Racing with Felix Sabates BMW-Riley
2013 Rolex 24 at Daytona GT standings after 16 hours
1 – #69 AIM Autosport Team FXDD with Ferrari Ferrari
2 – #63 Scuderia Corsa Ferrari
3 – #24 Alex Job Racing Audi
4 – #13 Rum Bum Racing Audi
5 – #30 MOMO/NGT Motorsport Porsche
2013 Rolex 24 at Daytona GX standings after 16 hours
1 – #16 Napleton Racing Porsche
2 – #22 Bullet Racing Porsche
3 – #38 BGB Motorsports Porsche