RELATED: Practice 2 results | Practice 3 results
MORE: Top 10 consecutive lap averages
Kyle Larson topped the leaderboard in both of Saturday's NASCAR Sprint Cup Series practices at Chicagoland Speedway, pacing final practice with a fast lap at 183.299 mph in the No. 42 Chip Ganassi Racing with Felix Sabates Chevrolet.
The Chase for the NASCAR Sprint Cup rookie paced the earlier session at 185.995 mph. (Full recap below.)
Right behind him was fellow Chase rookie Chase Elliott in the No. 24 Hendrick Motorsports Chevrolet at 182.883 mph.
Rounding out the top five were Chase points leader Kyle Busch in the No. 18 Joe Gibbs Racing Toyota (182.828 mph), Carl Edwards in the No. 19 Joe Gibbs Racing Toyota (182.624 mph) and Kurt Busch in the No. 41 Stewart-Haas Racing Chevrolet (182.482 mph).
Jimmie Johnson, who led Friday's opening practice, was 11th on the board at 182.020 mph. Chris Buescher was the lowest Chase driver on the charts at 26th (179.396 mph).
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Larson fastest in first Saturday practice
Kyle Larson topped the leaderboard at 185.995 mph in the No. 42 Chip Ganassi Racing Chevrolet in the first of two NASCAR Sprint Cup Series practices at Chicagoland Speedway on Saturday.
Right behind him was Kurt Busch in the No. 41 Stewart-Haas Racing Chevrolet at 185.778 mph.
Rounding out the top five were another trio of Chase for the NASCAR Sprint Cup drivers in Joey Logano in the No. 22 Team Penske Ford, Carl Edwards in the No. 19 Joe Gibbs Racing Toyota and Martin Truex Jr. in the No. 78 Furniture Row Racing Toyota.
Chase points leader Kyle Busch was 13th fastest with a speed of 184.049 mph in the No. 18 Joe Gibbs Racing Toyota.
Jimmie Johnson, fastest in Friday's first practice of the weekend, was 17th on the board at 183.861 mph.