Sonoma Raceway Thunder Roadster

NASA 2011Multi-class event, 5 classes, 58 cars

ClassesSpec E30, 20 cars Spec Miata, 15 carsThunder Roadster, 10 carsPTE, 7 cars CMC2, 6 cars

Spec E30 winner: Loren TrefethenSpec Miata winner: Barry HartzelPTE winner: Kurt FrietzsccheCMC2 winner: Nick Steel

Fin	Driver	Team	Rating Δ	Rating
P1	Ryan Raduechel	115521	+114	1,322
P2	Robert Raduechel	105000	+31	1,788
P3	Ron Borges	132017	+68	1,116
P4	David Whitten	133768	+86	642
P5	Dan Kooken	116113	+48	654
P6	Tom Boyd	149216	−19	961
P7	Ralph Bush	134831	−3	462
P8	Fred Hanks	149025	−80	867
P9	Lon Praytor	149485	−109	804
P10	Robert Nelson	147635	−136	713

Rating Δ is the Elo exchange from this race: taken from the cars finished behind, ceded to those ahead, net zero across the field. A shared car splits its change among co-drivers by FIA grade, so both appear at the same position.

RacerDB. Race results and driver ratings.NASA 2011

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