The motorsport season 2021 really starts to kick-in in May! Of course, this list is far for complete, it's the mayor series I'm following at the moment. Events are alphabetically ordered per series, and then chronologically.

ELMS

FIA WEC

Formula 1

Formula E

IMSA WeatherTech Sportscar Championship

  • May 16th, Mid-Ohio - 2h40m, Mid-Ohio Sports Car Course, USA

MotoGP

  • May 2nd, Gran Premio Red Bull de España, Circuito de Jerez, Spain
  • May 16th, Grand Prix de France, Le Mans, France
  • May 30th Gran Premio d'Italia, Autodromo Internazionale del Mugello, Italy

Same list, but all events ordered chronologically:

Photocredit: Dave Rook under CC BY-NC-SA 2.0 licence