1921 Cotati 150 is 234th AAA National Motor Car Championship race. Passed at the Santa Rosa circuit. Eddie Hearne won the pole position and this race. Roscoe Sarles and Tommy Milton also climbed to the podium, in second and third place. Race distance 120 laps (241 km).
Previous race:
1921 Tacoma 250
Next race:
1921 Autumn Classic
Race Start:
14th August 1921
1st victory for the Disteel team
8th victory for the Eddie Hearne
30th podium for the Eddie Hearne
19th podium for the Roscoe Sarles
32nd podium for the Tommy Milton
| Position | Name | Car | Points | Result | Lap | Team |
|---|---|---|---|---|---|---|
| 1 | Eddie Hearne | Duesenberg ? 1921, #1 | 300 | 1h 21m 19.200s | 0 | Disteel |
| 2 | Roscoe Sarles | Duesenberg ? 1921, #6 | 160 | 1h 22m 4.000s+44.800s | 0 | Duesenberg Bros |
| 3 | Tommy Milton | Miller S8, #2 | 90 | 1h 24m 47.800s+3m 28.600s | 0 | Cliff Durant |
| 4 | Eddie Miller | Duesenberg ? 1921, #11 | 50 | 0 | Duesenberg Bros | |
| 5 | Alton Soules | Frontenac 183, #12 | 30 | 1h 30m 0.200s+8m 41.000s | 0 | Frontenac Motors |
| 6 | Joe Thomas | Duesenberg ? 1921, #5 | 20 | 1h 42m 18.200s+20m 59.000s | 0 | Duesenberg Bros |
| 7 | Tom Alley | Frontenac 183, #27 | 15 | 0 | ||
| 8 | Jerry Wonderlich | Duesenberg ? 1921, #7 | 10 | 0 | ||
| 9 | Frank Elliott | Miller S8, #3 | 0 | 0 | Leach |
| Position | Name | Car | Result | Team |
|---|---|---|---|---|
| 1 | Eddie Hearne | Duesenberg ? 1921, #1 | 0 | Disteel |
| 2 | Roscoe Sarles | Duesenberg ? 1921, #6 | 0 | Duesenberg Bros |
| 3 | Tommy Milton | Miller S8, #2 | 0 | Cliff Durant |
| 4 | Eddie Miller | Duesenberg ? 1921, #11 | 0 | Duesenberg Bros |
| 5 | Alton Soules | Frontenac 183, #12 | 0 | Frontenac Motors |
| 6 | Joe Thomas | Duesenberg ? 1921, #5 | 0 | Duesenberg Bros |
| 7 | Tom Alley | Frontenac 183, #27 | 0 | |
| 8 | Jerry Wonderlich | Duesenberg ? 1921, #7 | 0 | |
| 9 | Frank Elliott | Miller S8, #3 | 0 | Leach |
Duesenberg
Frontenac
Miller