The following is an overview of the events of 1998 in motorsport including the major racing events, motorsport venues that were opened and closed during a year, championships and non-championship events that were established and disestablished in a year, and births and deaths of racing drivers and other motorsport people.
The calendar includes only annual major non-championship events or annual events that had significance separate from the championship. For the dates of the championship events see related season articles.
| Date | Event | Ref |
|---|---|---|
| 1–18 January | 20th Dakar Rally | [1] |
| 31 January-1 February | 36th 24 Hours of Daytona | [2] |
| 15 February | 40th Daytona 500 | [3] |
| 24 May | 56th Monaco Grand Prix | [4] |
| 24 May | 82nd Indianapolis 500 | [5] |
| 30 May-12 June | 81st Isle of Man TT | [6] |
| 6–7 June | 66th 24 Hours of Le Mans | [7] |
| 13–14 June | 26th 24 Hours of Nurburgring | [8] |
| 4–5 July | 50th 24 Hours of Spa | [9] |
| 26 July | 21st Suzuka 8 Hours | [10] |
| 9 August | 8th Masters of Formula 3 | [11] |
| 4 October | 40th AMP Bathurst 1000 | [12] |
| 15 November | 41st FAI 1000 | [13] |
| 22 November | 45th Macau Grand Prix | [14] |
| 5–6 December | 11th Race of Champions | [15] |
| Date | Month | Name | Nationality | Occupation | Note | Ref |
|---|---|---|---|---|---|---|
| 29 | October | Lance Stroll | Canadian | Racing driver | [16] |
| Date | Month | Name | Age | Nationality | Occupation | Note | Ref |
|---|---|---|---|---|---|---|---|
| 12 | January | Roger Clark | 58 | British | Rally driver | 1976 Lombard RAC Rally winner. | [17] |
| 2 | October | Olivier Gendebien | 74 | Belgian | Racing driver | 24 Hours of Le Mans winner (1958, 1960-1962). | [18] |