Allan McNish held the lead for the Starworks team halfway through a highly-competitive 2012 Daytona 24 Hours.
The #8 Starworks Riley-Ford is one of a gaggle of cars that has been disputing the lead throughout the night so far, though as the 12-hour mark was reached, McNish was managing to pull out a slight advantage, running 11 seconds ahead of AJ Allmendinger's Michael Shank Racing Riley-Ford.
Both Ganassi cars have had stints up front - briefly looking like they might begin to dominate as they pulled away in one-two formation for a spell. The team's #01 Riley-BMW is currently third in Graham Rahal's hands, although the sister #02 lost four laps receiving attention to gear linkage issues and is back in seventh place.
The #5 Action Express Corvette and #5 MSR entry are also still on the lead lap.
Two of the cars that were in the lead battle early on hit trouble during the night. The #90 Spirit of Daytona Corvette is currently amid a long period receiving attention after losing drive on course and has fallen 11 laps down, while the #99 GAINSCO/Bob Stallings car came in for radiator repairs just after quarter distance, losing several laps, and is now back in the paddock again with further problems.
In the GT class, the #59 Brumos Porsche is a lap ahead of the #44 Magnus Porsche.
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