Martin Truex Jr. fastest in first of two NASCAR Cup practices at Chicagoland

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JOLIET, Illinois — Martin Truex Jr. was fastest in the first of two NASCAR Cup practice sessions Saturday at Chicagoland Speedway.

Truex covered the 1.5-mile track with a top speed of 180.650 mph.

Ryan Blaney was second (179.802 mph), followed by Chase Elliott (179.689) Brad Keselowski (179.659) and Ryan Newman (179.414).

There will be one other practice session this afternoon from 2 to 2:50 p.m. (on NBCSN), preceding the Xfinity Series’ 300 race, which begins at 3:30 p.m., also on NBCSN.

Click here for the full speed grid of the first of two practice sessions today.