BELGIAN GRAND PRIX - PRACTICE 1
25 Aug 1991
Circuit de Spa-Francorchamps, Belgium
| Pos. | No. | Driver | Team | Time / Gap | 
|---|---|---|---|---|
| 1 | 2 | Gerhard BergerBER | McLaren Honda | 1:50.343 | 
| 2 | 1 | Ayrton SennaSEN | McLaren Honda | +0.948s | 
| 3 | 28 | Jean AlesiALE | Ferrari | +1.955s | 
| 4 | 27 | Alain ProstPRO | Ferrari | +2.192s | 
| 5 | 5 | Nigel MansellMAN | Williams Renault | +3.251s | 
| 6 | 23 | Pierluigi MartiniMAR | Minardi Ferrari | +3.640s | 
| 7 | 16 | Ivan CapelliCAP | Leyton House Ilmor | +3.669s | 
| 8 | 33 | Andrea de CesarisDEC | Jordan Ford | +4.451s | 
| 9 | 4 | Stefano ModenaMOD | Tyrrell Honda | +4.461s | 
| 10 | 24 | Gianni MorbidelliMOR | Minardi Ferrari | +4.750s | 
| 11 | 32 | Michael SchumacherMSC | Jordan Ford | +4.979s | 
| 12 | 19 | Roberto MorenoMOR | Benetton Ford | +5.421s | 
| 13 | 20 | Nelson PiquetPIQ | Benetton Ford | +5.600s | 
| 14 | 21 | Emanuele PirroPIR | Dallara Judd | +6.362s | 
| 15 | 22 | Jyrki JarvilehtoJAR | Dallara Judd | +6.426s | 
| 16 | 11 | Mika HakkinenHAK | Lotus Judd | +6.631s | 
| 17 | 6 | Riccardo PatresePAT | Williams Renault | +6.694s | 
| 18 | 25 | Thierry BoutsenBOU | Ligier Lamborghini | +7.084s | 
| 19 | 15 | Mauricio GugelminGUG | Leyton House Ilmor | +7.408s | 
| 20 | 29 | Eric BernardBER | Lola Ford | +7.549s | 
| 21 | 14 | Olivier GrouillardGRO | Fondmetal Ford | +7.555s | 
| 22 | 12 | Johnny HerbertHER | Lotus Judd | +7.757s | 
| 23 | 8 | Mark BlundellBLU | Brabham Yamaha | +8.271s | 
| 24 | 30 | Aguri SuzukiSUZ | Lola Ford | +8.337s | 
| 25 | 3 | Satoru NakajimaNAK | Tyrrell Honda | +8.382s | 
| 26 | 35 | Eric van de PoeleVAN | Lambo Lamborghini | +8.519s | 
| 27 | 10 | Alex CaffiCAF | Footwork Porsche | +8.657s | 
| 28 | 26 | Erik ComasCOM | Ligier Lamborghini | +9.597s | 
| 29 | 34 | Nicola LariniLAR | Lambo Lamborghini | +10.098s | 
| 30 | 7 | Martin BrundleBRU | Brabham Yamaha | +52.645s |