List of all Portland NASCAR races held in NASCAR championships
| Race | Winner | Track | Race Start | |
|---|---|---|---|---|
 |
1956 Portland NASCAR |
Bobby Allison Buick Regal |
Portland Speedway | 27th May 1956 |
|
1956 Portland NASCAR |
Darrell Waltrip Chevrolet Monte Carlo |
Portland Speedway | 24th June 1956 |
|
1956 Portland NASCAR |
Darrell Waltrip Chevrolet Monte Carlo |
Portland Speedway | 26th August 1956 |
|
1956 Portland NASCAR |
Darrell Waltrip Chevrolet Monte Carlo |
Portland Speedway | 23rd September 1956 |
|
1957 Portland NASCAR |
Harry Gant Chevrolet Monte Carlo |
Portland Speedway | 28th April 1957 |
|
1957 Portland NASCAR |
Harry Gant Chevrolet Monte Carlo |
Portland Speedway | 26th May 1957 |
|
1957 Portland NASCAR |
Dale Earnhardt Chevrolet Monte Carlo |
Portland Speedway | 14th July 1957 |