| 9.2.1958 | Pomona [S+1.5] | 69 | 375 Plus | Dan Gurney | Frank Arciero | DNF |
| 9.2.1958 | Pomona [S+1.5] | 99 | 500 Mondial | Bill Louden | Bruce Danielson | 4th |
| 9.2.1958 | Guadalajara | | | James Smith | | DNA |
| 9.2.1958 | Guadalajara | | 375 Plus | Dan Gurney | | DNA |
| 9.2.1958 | Guadalajara | | 625 TRC | John von Neumann | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [BP+CP+DP+EP] | 95 | | David Cunningham | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 95 | | David Cunningham | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [BP+CP+DP+EP] | 96 | 250 GT LWB Scaglietti Berlinetta TdF | George Arents | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 96 | 250 GT LWB Scaglietti Berlinetta TdF | George Arents | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 97 | 750 Monza Scaglietti Spyder | E. D. Martin | | DNF |
| 16.2.1958 | Preliminary New Smyrna Beach [Modified] | 97 | 750 Monza Scaglietti Spyder | E. D. Martin | | 3rd |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 333 | 500 TR | Lloyd Casner | | 2nd |
| 16.2.1958 | Preliminary New Smyrna Beach [Modified] | 333 | 500 TR | Lloyd Casner | | 2nd |
| 23.2.1958 | Interlagos | 46 | 250 TR Scaglietti Spyder | Celso Lara Barberis | | 1st |
| 24.2.1958 | GP Cuba | 4 | 335 Sport | Stirling Moss | Luigi Chinetti | 1st |
| 24.2.1958 | GP Cuba | 8 | 335 Sport | Phil Hill | George Tilp | 19th |
| 24.2.1958 | GP Cuba | 10 | 315 Sport | Wolfgang von Trips | Luigi Chinetti | 4th |
| 24.2.1958 | GP Cuba | 12 | 410 Sport Scaglietti Spyder | Masten Gregory | John Edgar | 2nd |
| 24.2.1958 | GP Cuba | 14 | 290 MM | Ed Crawford | E. D. Martin | 8th |
| 24.2.1958 | GP Cuba | 30 | 250 TR Scaglietti Spyder 58 | Piero Drogo | Piero Drogo | 12th |
| 24.2.1958 | GP Cuba | 32 | 250 TR Scaglietti Spyder 58 | Alfonso Gómez Mena | Alfonso Gomez Mena | DNS |
| 24.2.1958 | GP Cuba | 34 | 500 TRC | Bob Said | | 15th |
| 24.2.1958 | GP Cuba | 46 | 500 TR | Chester Flynn | | 24th |
| 24.2.1958 | GP Cuba | 48 | 500 TRC | Porfirio Rubirosa | | 23rd |
| 24.2.1958 | GP Cuba | 54 | 500 TRC | Armando Cifuentes | Cuban Racing Team | DNF |
| 24.2.1958 | GP Cuba | 56 | 500 TRC | Carreras / Bolanos | Cuban Racing Team | 20th |
| 24.2.1958 | GP Cuba | 58 | 500 TRC | Manolo Perez de la Mesa | | 22nd |
| 24.2.1958 | GP Cuba | | 500 TR | Bruce Kessler | | 14th |
| 24.2.1958 | GP Cuba | | | Paul O'Shea | | 9th |
| 24.2.1958 | GP Cuba | | 250 Monza Scaglietti Spyder | Manfredo Lippmann | Manfredo Lippmann | DNA |
| 1.3.1958 | Preliminary Phoenix [Novice] | 58 | Monza | Jim Connor | | 1st |
| 1.3.1958 | Preliminary Phoenix [Novice] | 171 | 250 GT LWB Berlinetta Scaglietti TdF | George Reis | George Reis, Jr. | 4th |
| 2.3.1958 | SCCA Regional Phoenix [S+1.5] | 20 | 500 TRC | Ray Jones | A. D. Logan | 3rd |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 20 | 500 TRC | Ray Jones | A. D. Logan | 2nd |
| 2.3.1958 | SCCA Regional Phoenix [S+1.5] | 21 | 500 TR | Bob Oker | | 11th |
| 2.3.1958 | SCCA Regional Phoenix [S+1.5] | 58 | Monza | Jim Connor | | 5th |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 58 | Monza | Jim Connor | | 18th |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 69 | 375 Plus | Dan Gurney | Frank Arciero | DNS |
| 2.3.1958 | SCCA Regional Phoenix [S+1.5] | 69 | 375 Plus | Dan Gurney | Frank Arciero | DNF |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 171 | 250 GT LWB Berlinetta Scaglietti TdF | Dan Gurney | George Reis, Jr. | 4th |
| 2.3.1958 | SCCA Regional Phoenix [S+1.5] | 171 | 250 GT LWB Berlinetta Scaglietti TdF | Skip Conklin | George Reis, Jr. | 9th |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 211 | 500 TR | Richie Ginther | | 1st |
| 2.3.1958 | SCCA Regional Phoenix [S+1.5] | 211 | 500 TR | Richie Ginther | | 2nd |
| 9.3.1958 | SCCA Regional Mansfield [CM+DM+EM+FM+GM] | 8 | 500 TRC | Ray Jones | Logan | DNF |
| 9.3.1958 | Preliminary Mansfield [CM+DM+EM+BP+CP] | 8 | 500 TRC | Ray Jones | Logan | 2nd |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 12 | 750 Monza Scaglietti Spyder | E. D. Martin | | DNF |
| 9.3.1958 | Preliminary Boca Raton [CM+DM+EM+FM+GM] | 12 | 750 Monza Scaglietti Spyder | E. D. Martin | | 6th |
| 9.3.1958 | Preliminary Boca Raton [CM+DM+EM+FM+GM] | 34 | 500 TR | Lloyd Casner | | 3rd |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 34 | 500 TR | Lloyd Casner | | 3rd |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 73 | 500 Mondial | Austin Young | | DNF |
| 9.3.1958 | Preliminary Boca Raton [CM+DM+EM+FM+GM] | 73 | 500 Mondial | Austin Young | | DNF |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 93 | 250 GT Convertible | David Cunningham | | ?th |
| 9.3.1958 | Preliminary Boca Raton [BP+CP+DP+EP] | 93 | 250 GT Convertible | David Cunningham | | 2nd |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 94 | 250 GT LWB Scaglietti Berlinetta TdF | George Arents | | ?th |
| 9.3.1958 | Preliminary Boca Raton [BP+CP+DP+EP] | 94 | 250 GT LWB Scaglietti Berlinetta TdF | George Arents | | 1st |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 118 | 290 MM | Robert Williams | | ?th |
| 9.3.1958 | Preliminary Boca Raton [CM+DM+EM+FM+GM] | 118 | 290 MM | Robert Williams | | 5th |
| 9.3.1958 | Preliminary Mansfield [CM+DM+EM+BP+CP] | 134 | TR | Bob Walker | | 11th |
| 9.3.1958 | SCCA Regional Mansfield [CM+DM+EM+FM+GM] | 134 | TR | Bob Walker | | 6th |
| 16.3.1958 | Modena [S/GT] | 154 | 500 TRC | Gaetano Starrabba | | 2nd |
| 16.3.1958 | Modena [S/GT] | | 250 GT | Erasmo Crivellari | Scudeira San Marco | 3rd |
| 22.3.1958 | 12 h Sebring | 14 | 250 TR Scaglietti Spyder 58 | Hill / Collins | Scuderia Ferrari | 1st |
| 22.3.1958 | 12 h Sebring | 15 | 250 TR Scaglietti Spyder 58 | Hawthorn / von Trips | Scuderia Ferrari | DNF |
| 22.3.1958 | 12 h Sebring | 16 | 250 TR Scaglietti Spyder 58 | Musso / Gendebien | Scuderia Ferrari | 2nd |
| 22.3.1958 | 12 h Sebring | 17 | 250 TR Scaglietti Spyder 58 | von Neumann / Ginther | John von Neumann | DNF |
| 22.3.1958 | 12 h Sebring | 19 | 250 TR Scaglietti Spyder 58 | Fitch / Hugus | Harry Kullen | DNF |
| 22.3.1958 | 12 h Sebring | 21 | 250 GT LWB Berlinetta TdF | Arents / Reed / O'Dell | North American Racing Team | 7th |
| 22.3.1958 | 12 h Sebring | 22 | 250 GT LWB Scaglietti Berlinetta TdF | O'Shea / Kessler / Cunningham | North American Racing Team | 5th |
| 22.3.1958 | 12 h Sebring | 23 | 250 TR Scaglietti Spyder 58 | Martin / Flynn | Chester J. Flynn | DNF |
| 22.3.1958 | 12 h Sebring | 30 | 500 TRC | Rubirosa / Malle / Helburn | Porfirio Rubirosa | 11th |
| 22.3.1958 | 12 h Sebring | 31 | 500 TRC | Andrey / Lloyd | Mike Garber | DNF |
| 22.3.1958 | 12 h Sebring | 71 | 500 TRC | de la Mesa / Gonzalez / Gómez Mena | Scuderia Cuba | 27th |
| 22.3.1958 | 12 h Sebring | 79 | 500 TRC | de Vroom / Gómez Mena | Alfonso Gomez Mena | DNF |
| 22.3.1958 | 12 h Sebring | 81 | 500 TRC | Said / Rivera | Scuderia Central America | DNF |
| 22.3.1958 | 12 h Sebring | 82 | 500 TRC | Bolanos / de la Mesa | Alfonso Gomez Mena | DNS |
| 22.3.1958 | 12 h Sebring | | 250 GT LWB | | Harry Kullen | DNA |
| 22.3.1958 | 12 h Sebring | | 250 TR Scaglietti Spyder 58 | Johnston / Lunken | James Johnston | DNA |
| 30.3.1958 | Lawrenceville | 9 | 250 TR Scaglietti Spyder 58 | Jim Johnston | | 1st |
| 30.3.1958 | GP Pergusa | 52 | 500 TRC | Gaetano Starrabba | | raced |
| 30.3.1958 | GP Pergusa | | | Anna Maria Peduzzi | | 6th |
| 30.3.1958 | GP Pergusa | | | Faranda | | 7th |
| 7.4.1958 | Sussex Trophy Goodwood | 2 | Dino 206 S | Peter Collins | Scuderia Ferrari | 2nd |
| 7.4.1958 | 3 h Pau [GT+2.0] | 51 | 250 GT | Edoardo Lualdi | Edoardo Lualdi | DNS |
| 7.4.1958 | 3 h Pau [GT+2.0] | 52 | 250 GT | Munaron / "Madero" | B. Cavazzoli | 3rd |
| 7.4.1958 | 3 h Pau [GT+2.0] | 54 | 250 GT | Michel Ringoir | Ecurie Francorchamps | 8th |
| 7.4.1958 | 3 h Pau [GT+2.0] | 56 | 250 GT | Olivier Gendebien | Ecurie Francorchamps | 1st |
| 7.4.1958 | 3 h Pau [GT+2.0] | 57 | 250 GT | Wolfgang Seidel | Wolfgang Seidel | 2nd |
| 7.4.1958 | 3 h Pau [GT+2.0] | 58 | 250 GT | Jean Guichet | Jean Guichet | 4th |
| 7.4.1958 | Sussex Trophy Goodwood | 58 | 250 TR Scaglietti Spyder 58 | Willy Mairesse | Ecurie Francorchamps | 7th |
| 7.4.1958 | Sussex Trophy Goodwood | 59 | 250 TR Scaglietti Spyder 58 | Lucien Bianchi | Ecurie Francorchamps | 5th |
| 7.4.1958 | 3 h Pau [GT+2.0] | 59 | 250 GT | François Picard | François Picard | 5th |
| 7.4.1958 | 3 h Pau [GT+2.0] | 60 | 250 GT | Hermano da Silva Ramos | Hernano Da Silva Ramos | DNF |
| 7.4.1958 | 3 h Pau [GT+2.0] | 61 | 250 GT | Jacques Péron | Jacques Péron | 7th |
| 7.4.1958 | 3 h Pau [GT+2.0] | 62 | 250 GT | André Guelfi | André Guelfi | 6th |
| 7.4.1958 | 3 h Pau [GT+2.0] | 63 | 250 GT | Jean Aumas | Garage Montchoisy | 9th |
| 7.4.1958 | 3 h Pau [GT+2.0] | 64 | 250 GT | "Eldé" | Ecurie Francorchamps | DNS |
| 7.4.1958 | 3 h Pau [GT+2.0] | | 250 GT LWB Zagato TdF | Camillo Luglio | Cornelia Vassali | DNS |
| 12.4.1958 | British Empire Trophy | 70 | 250 TR Scaglietti Spyder 58 | Alain de Changy | Equipe Nationale Belge | 9th |
| 12.4.1958 | British Empire Trophy | 71 | 250 TR Scaglietti Spyder 58 | Freddy Rousselle | Equipe Nationale Belge | DNQ |
| 13.4.1958 | Rio de Janeiro | 10 | 225 S Vignale Spyder | Álvaro Varanda | | 2nd |