By Soup StaffWorldSBK Argentina Free Practice 1 Results 2018 from the Motul Argentinian Round, Circuito San Juan Villicum, San Juan, Argentina. The 12th round of 2018.
| Pos. | Rider | Team | Bike | Time |
|---|---|---|---|---|
| 1 | Alex Lowes | Pata Yamaha Official WorldSBK | Yamaha YZF R1 | 1:44.096 |
| 2 | Jonathan Rea | Kawasaki Racing | Kawasaki ZX-10R | 1:44.230 |
| 3 | Toprak Razgatlioglu | Kawasaki Puccetti Racing | Kawasaki ZX-10R | 1:44.350 |
| 4 | Marco Melandri | Aruba.it Racing – Ducati | Ducati Panigale R | 1:44.458 |
| 5 | Tom Sykes | Kawasaki Racing | Kawasaki ZX-10R | 1:45.244 |
| 6 | Michael van der Mark | Pata Yamaha Official WorldSBK | Yamaha YZF R1 | 1:45.565 |
| 7 | Chaz Davies | Aruba.it Racing – Ducati | Ducati Panigale R | 1:45.654 |
| 8 | Lorenzo Savadori | Milwaukee Aprilia | Aprilia RSV4 RF | 1:46.035 |
| 9 | Leandro Mercado | Orelac Racing Verdnatura | Kawasaki ZX-10R | 1:46.191 |
| 10 | Loris Baz | Gulf Althea BMW Racing | BMW S1000 RR | 1:46.216 |
| 11 | Leon Camier | Red Bull Honda World Superbike | Honda CBR1000RR | 1:46.479 |
| 12 | Roman Ramos | GoEleven | Kawasaki ZX-10R | 1:46.533 |
| 13 | Eugene Laverty | Milwaukee Aprilia | Aprilia RSV4 RF | 1:46.974 |
| 14 | Florian Marino | URBIS Yamaha Motoxracing STK | Yamaha YZF R1 | 1:47.047 |
| 15 | Xavi Fores | Barni Racing | Ducati Panigale R | 1:47.263 |
| 16 | Jake Gagne | Red Bull Honda World Superbike | Honda CBR1000RR | 1:47.921 |
| 17 | Jakub Smrz | Guandalini Racing | BMW S1000 RR | 1:48.195 |
| 18 | Gabriele Ruiu | Pedercini Racing | Kawasaki ZX-10RR | 1:49.955 |
| DNQ | Maximilian Scheib | MV Agusta | MV Agusta 1000 F4 | 2:01.600 |
