I really appreciate all the feedback guys! A few more details about the ride. The lake loop segment itself is only 4 miles, so that's 37 seconds faster in only 4 miles., Elevation change of 66ft so it's pretty flat, with just about constantly small little ups and downs but nothing crazy.
2010 Trek 2.1 Alpha Specs vs. Specialized Roubaix Expert
Frameset
Frame
Alpha Black Aluminum (Specialized: Specialized SL4 FACT 10r carbon, FACT construction, tapered/shaped 1-1/8"" to size-specific lower headtube, compact race design, Zertz, internal cable routing, carbon OSBB)
Fork
Bontrager Race, carbon; SpeedTrap compatible (Specialized: Specialized Roubaix FACT carbon full monocoque, Zertz, size-specific)
Size
54
Wheels
Wheels
Bontrager SSR (43cm: alloy hubs w/650c Alex rims) (Specialized: Fulcrum S4)
Tyres
Continental Grand Prix 700x23c (Specialized: Continental Gatorskins 700x23c)
Drivetrain
Shifters
Shimano 105 STI, 10 speed (Specialized: Shimano Ultegra, 11-speed, 11-32)
Front derailleur
Shimano 105 (Specialized: Shimano Ultegra, braze-on, 11-speed)
Rear derailleur
Shimano 105 (Specialized: Shimano Ultegra, 11-speed, long-cage)
Crank
Shimano R-600 50/34 or R-553 50/39/30 (Specialized: FSA SL-K Light, carbon, BB30)
Cassette
Shimano 105 12-27, 10 speed (Specialized: Shimano Ultegra, 11-speed, 11-32)
Components
Seatpost
Bontrager Carbon (Specialized: S-Works CG-R, FACT carbon w/ Zertz, 27.2mm)
Handlebar
Bontrager SSR VR, 31.8mm (Specialized: Specialized Expert Shallow Bend, alloy, 123mm drop, 75mm reach)
Stem
Bontrager Race Lite, 7 degree, 31.8mm (Specialized: Specialized Expert Pro-Set, 3D forged aluminum, 4-position adjustable, 4-bolt, 31.8mm)