1940 South Australian Hundred
The 1940 South Australian Hundred was a motor race staged at the Lobethal Circuit in South Australia on 1 January 1940.
It was held over 12 laps of the 8¾ mile course, a total distance of 100 miles.
The race was contested on a handicap basis with the slowest cars starting first and the fastest last. The "limit man", RS Uffindell, commenced the race 23 minutes before the "virtual scratch man", Alf Barrett.
The race was won by Jack Phillips driving a Ford V8.
Race results
| Position | Driver | No. | Car | Entrant | Handicap | Time | Laps |
| 1 | Jack Phillips | 8 | Ford V8 | J Phillips & Parsons | 10:00 | 78:55 | 12 |
| 2 | Tony Ohlmeyer | 19 | MG | A Ohlmeyer | 18:00 | 87:47 | 12 |
| 3 | John Nind | 18 | MG TA | JP Nind | 18:00 | 88:40 | 12 |
| 4 | Les Burrows | 9 | Hudson | L Burrows | 10:00 | 81:08 | 12 |
| 5 | Tom Lancey | 17 | MG T-type | JF Crouch | 18:00 | 90:56 | 12 |
| 6 | Colin Dunne | 3 | MG K3 Magnette | CA Dunne | 8:00 | 82:54 | 12 |
| 7 | AV McDonough | 12 | Ford V8 | AV McDonough | 13:00 | 93:38 | 12 |
| 8 | Aub Ramsay | 21 | Riley | Jackson Motors Ltd | 18:00 | 97:51 | 12 |
| 9 | Frank Kleinig | 2 | Hudson | F Kleinig | 2:00 | 83:52 | 12 |
| NC | Jim Gullan | 7 | Ford Ballot | J Gullan | 8:00 | - | ? |
| DNF | Alf Barrett | 1 | Alfa Romeo Monza | AI Barrett | 1:00 | - | ? |
| DNF | Doug Whiteford | 11 | Ford V8 | D Whiteford | 13:00 | - | ? |
| DNF | Jim Boughton | 14 | Morgan | JS Boughton | 18:00 | - | ? |
| DNF | Allan Tomlinson | 4 | MG Special | AG Tomlinson | 8:00 | - | 9 |
| DNF | Jack Nelson | 5 | Ford Ballot | J Nelson | 8:00 | - | 4 |
| DNF | Tom Bradey | 22 | Bugatti Brescia | TM Bradey | 19:00 | - | 4 |
| DNF | RS Uffindell | 23 | Austin 7 | RS Uffindell | 24:00 | - | 4 |
| DNF | C Anderson | 6 | Frazer Nash Special | GM Joshua | 8:00 | - | 2 |
| DNF | Neville Bakewell | 20 | MG | DV McMichael | 18:00 | - | 0 |