Chip Robinson was especially active in the U.S. IMSA GTP sports car series. 1987 won the Appreciation of the GTP class in a Porsche 962 In addition to a large number of race wins in the championship - especially for the works team of Nissan and as a partner of Geoff Brabham - 1987, he won the 24 Hours of Daytona and 1989 the 12 - hour race at Sebring. Daytona he won jointly with Al Holbert, Derek Bell and Al Unser Jr. in a Porsche 962 The race in Sebring, he won with Geoff Brabham and Arie Luyendyk in the Nissan GTP ZX- Turbo.
At Le Mans he was four times at the start; best finish was 13th overall in 1985, some races -. a total of five - he competed in the CART series, where a sixth rank in Long Beach in 1987 his best result remained single.