IHRA Summer Nationals
Santa Pod Raceway
August 24th/25th 1991
| Class | Winner | Runner Up |
| Pro Comp | Juha Lappanen 6.227/220.49 | Steve Read 17.073/42 |
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| Funny Car | John Spuffard wins 2/3 in match races with Harlan Thompson | |
| Pro Mod | Tim Cook 7.415/192.01 | Dave Mingay 7.583/179.71 |
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| Super Gas | Gordon Appleton 10.167/128.38 | Jim McGhee 10.136/132 (Red lit) |
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| Super Pro ET | Martyn Jones 2 wins 7.91/154 | Steve Johnson 1 win 7.35/176 |
| Pro ET | Barry Andrews 9.836/134.29 | Ivan Birch 10.170/132 (Red lit) |
| Modified ET | Alan Smith 10.982/122.71 | Gordon Smith 11.589/116 (Red lit) |
| Super ET | Simon Hall 12.600/99.57 | John Evans 12.402/109.65 |
| Pro Rover | Chris Pegg 10.58/131.59 | Kev Jenkins DNS |
| Street Rover | Paula Aitkin 11.63/126.00 | Martin Cowell 11.58/127.08 |
| Pro Euro Car | Martyn Potter 11.13/120.55 | Leigh Morris DNS |
| Street Euro Car | Gareth Weavers 12.90/101.02 | Dave Routledge 16.97/43 (Red lit) |
| Pro Stock Bike | Paul Willis 8.071/164.21 | Coll Rule 8.172/144.88 |
| Competition Bike | Mark Styles 10.582/124 | Keith Pollen DNS |
| 9.90 Bike | Roger Turner 10.131/135.02 | Mark Watkins 10.284/138.44 |
| 10.90 Bike | Paul Baker 10.912/114.08 | Peter Marshall 10.853/110.91 |