Grand Prix motorcycle racing
1991 United States Grand Prix
Laguna Seca Raceway · 21 Apr 1991
Classes identified in the source: 250cc, 500cc, Sidecar.
The calendar date is a weekend anchor. Class-specific race dates and session times have not been inferred.
Recorded Grand Prix class results
Race-article classifications are preferred where available, with season-matrix fallback. Source coverage and official completeness remain explicit; missing fields are not invented.
| Class | Rider | Position / status | Grid | Laps | Time / retirement | Reported points | Evidence |
|---|---|---|---|---|---|---|---|
| 250cc | Mike Sullivan | 26 | — | 29 | +1 lap | — | Pinned revision ↗ |
| 250cc | Ian Newton | 27 | — | 28 | +2 laps | — | Pinned revision ↗ |
| 250cc | Paolo Casoli | Ret | 13 | 1 | Retired | — | Pinned revision ↗ |
| 250cc | Allan Scott | Ret | — | 10 | Retired | — | Pinned revision ↗ |
| 250cc | Rick Tripodi | Ret | — | 7 | Retired | — | Pinned revision ↗ |
| 250cc | Frederic Protat | Ret | — | 16 | Retired | — | Pinned revision ↗ |
| 250cc | Pierfrancesco Chili | Ret | 7 | 24 | Retired | — | Pinned revision ↗ |
| 250cc | Alan Scott | Ret | — | — | — | Pinned revision ↗ | |
| 250cc | Kevin Mitchell | Ret | — | 15 | Retired | — | Pinned revision ↗ |
| 250cc | Alberto Puig | Ret | — | 17 | Retired | — | Pinned revision ↗ |
Wikipedia contributors · adapted tables under CC BY-SA 4.0. Calendar source ↗