Races in calendar week 21/1998

All motorsport events on the weekend of 22–24 May 1998.

Circuit	Country	Series
Barcelona	Spain	Race results available (full) Formula Euro Open Nissan 1998
Indianapolis (oval)	USA	Race results available (full) Indy Racing League 1998
Madison (St.Louis / Gateway, oval)	USA	Race results available (full) CART Championship Series 1998
Mallala	Australia	Race results available (full) Formula Holden 1998
Monte Carlo	Monaco	Race results available (full) FIA Formula 1 World Championship 1998 Race results available (full) FIA Formula 3000 Int. Championship 1998