500 Miglia di Monza Heat 3
Autodromo Nazionale di Monza
2.64 Mile Paved Oval
63 Laps/166.32 Miles
June 29, 1958
| Finish | Start | Driver | Car # | Sponsor/Name | Chassis | Engine | Laps | Status |
Points |
| 1 | 1 | Jim Rathmann | 5 | Zink Leader Card | Watson | Offy | 63 | 0:59:37.9 167.399 | |
| 2 | 3 | Jimmy Bryan | 1 | Belond AP | Salih | Offy | 63 | Finished | |
| 3 | 9 | Mike Hawthorn | 12 | Ferrari | Ferrari | Ferrari | 60 | Flagged | |
| 4 | 8 | Ray Crawford | 49 | Meguiar's Mirror Glaze | Kurtis 500G | Offy | 60 | Flagged | |
| 5 | 7 | Jimmy Reece | 24 | Hoyt Machine | Kurtis 500C | Offy | 59 | Flagged | |
| 6 | 6 | A. J. Foyt | 55 | Sclavi & Amos | Kuzma | Offy | 54 | Broken crankshaft | |
| 7 | 10 | Ivor Bueb | 6 | Jaguar | Jaguar | Jaguar | 52 | Flagged | |
| 8 | 11 | Masten Gregory | 4 | Jaguar | Jaguar | Jaguar | 44 | Out | |
| 9 | 5 | Stirling Moss | 10 | Eldorado/Italia | Maserati | Maserati | 40 | Wrecked turn 3 | |
| 10 | 2 | Bob Veith | 9 | Bowes Seal Fast | Kurtis 500G | Offy | 28 | Lost wheel | |
| 11 | 4 | Troy Ruttman | 98 | Agajanian | Kuzma | Offy | 12 | Broken fuel line | |
| 12 | 12 | Juan Manuel Fangio | 29 | Dean Van Lines | Kuzma | Offy | 2 | Broken fuel pump | |
| -- | -- | Phil Hill | 12 | Ferrari | Ferrari | Ferrari | 36 | Relieved Hawthorn 25-60 |
| Lap Leaders | Total | Laps |
| Jim Rathmann | 179 | X |
| Eddie Sachs | 6 | X |
| Luigi Musso | 3 | X |
| Tony Bettenhausen | 1 | X |
| Lap leaders are combined from all 3 heats | ||