| Date |
Formula One |
IMSA |
IndyCar |
| January 27 |
|
 Daytona
Rolex 24 at Daytona
2018 winner: Filipe Albuquerque, João Barbosa, Christian Fittipaldi
 |
|
| February 3 |
|
|
|
| February 10 |
|
|
|
| February 17 |
|
|
|
| February 24 |
|
|
|
| March 3 |
|
|
|
| March 10 |
|
|
St. Petersburg
Firestone Grand Prix of St. Petersburg
2018 winner: Sébastien Bourdais
 |
| March 17 |
Melbourne
Australian Grand Prix
2018 winner: Sebastian Vettel
 |
Sebring
(Saturday 16)
Twelve Hours of Sebring
2018 winner: Pipo Derani, Nicolas Lapierre, Johannes van Overbeek
|
|
| March 24 |
|
|
Austin
IndyCar Classic
|
| March 31 |
Sakhir
Bahrain Grand Prix
2018 winner: Sebastian Vettel
|
|
|
| April 7 |
|
|
Barber
Honda Indy Grand Prix of Alabama
2018 winner: Josef Newgarden
|
| April 14 |
Shanghai
Chinese Grand Prix
2018 winner: Daniel Ricciardo
|
Long Beach
(Saturday 13)
BUBBA Burger Sports Car Grand Prix at Long Beach
2018 winner: Filipe Albuquerque, João Barbosa
|
Long Beach
Acura Grand Prix of Long Beach
2018 winner: Alexander Rossi
|
| April 21 |
|
|
|
| April 28 |
Baku
Azerbaijan Grand Prix
2018 winner: Lewis Hamilton
|
|
|
| May 5 |
|
Mid-Ohio
Acura Sports Car Challenge
2018 winner: Juan Pablo Montoya, Dane Cameron
|
|
| May 12 |
Barcelona
Spanish Grand Prix
2018 winner: Lewis Hamilton
|
|
Indianapolis Road
(Saturday 11)
INDYCAR Grand Prix
2018 winner: Will Power
|
| May 19 |
|
|
|
| May 26 |
Monaco
Monaco Grand Prix
2018 winner: Daniel Ricciardo
|
|
Indianapolis Oval
103rd Indianapolis 500
2018 winner: Will Power
|
| June 2 |
|
Detroit
(Saturday 1)
Chevrolet Sports Car Classic
2018 winner: Felipe Nasr, Eric Curran
|
Detroit
(Saturday 1)
Chevrolet Detroit Grand Prix (Race 1)
2018 winner: Scott Dixon
Detroit
Chevrolet Detroit Grand Prix (Race 2)
2018 winner: Ryan Hunter-Reay
|
| June 9 |
Montreal
Canadian Grand Prix
2018 winner: Sebastian Vettel
|
|
Texas
(Saturday 8)
DXC Technology 600
2018 winner: Scott Dixon
|
| June 16 |
|
|
|
| June 23 |
Le Castellet
French Grand Prix
2018 winner: Lewis Hamilton
|
|
Road America
Sonsio Grand Prix at Road America
2018 winner: Josef Newgarden
|
| June 30 |
Spielberg
Austrian Grand Prix
2018 winner: Max Verstappen
|
Watkins Glen
Sahlen's Six Hours of The Glen
2018 winner: Misha Goikhberg, Stephen Simpson, Chris Miller
|
|
| July 7 |
|
Canadian Tire Motorsport Park
Mobil 1 SportsCar Grand Prix
2018 winner: Jon Bennett, Colin Braun
|
|
| July 14 |
Silverstone
British Grand Prix
2018 winner: Sebastian Vettel
|
|
Toronto
Honda Indy Toronto
2018 winner: Scott Dixon
|
| July 21 |
|
Lime Rock Park
(Saturday 20)
Northeast Grand Prix
2018 winner: Patrick Pilet, Nick Tandy
|
Iowa
(Saturday 20)
Iowa 300
2018 winner: James Hinchcliffe
|
| July 28 |
Hockenheim
German Grand Prix
2018 winner: Lewis Hamilton
|
|
Mid-Ohio
Honda Indy 200 at Mid-Ohio
2018 winner: Alexander Rossi
|
| August 4 |
Budapest
Hungarian Grand Prix
2018 winner: Lewis Hamilton
|
Road America
IMSA Road Race Showcase
2018 winner: Jon Bennett, Colin Braun
|
|
| August 11 |
|
|
|
| August 18 |
|
|
Pocono
ABC Supply 500
2018 winner: Alexander Rossi
|
| August 25 |
|
Virginia International Raceway
Michelin GT Challenge at VIR
2018 winner: Antonio Garcia, Jan Magnussen
|
Gateway
(Saturday 24)
Bommarito Automotive Group 500
2018 winner: Will Power
|
| September 1 |
Spa
Belgian Grand Prix
2018 winner: Sebastian Vettel
|
|
Portland
Grand Prix of Portland
2018 winner: Takuma Sato
|
| September 8 |
Monza
Italian Grand Prix
2018 winner: Lewis Hamilton
|
|
|
| September 15 |
|
Laguna Seca
Monterey SportsCar Championship
2018 winner: Pipo Derani, Johannes van Overbeek
|
|
| September 22 |
Marina Bay
Singapore Grand Prix
2018 winner: Lewis Hamilton
|
|
Laguna Seca
Firestone Grand Prix of Monterey
|
| September 29 |
Sochi
Russian Grand Prix
2018 winner: Lewis Hamilton
|
|
|
| October 6 |
|
|
|
| October 13 |
Suzuka
Japanese Grand Prix
2018 winner: Lewis Hamilton
|
Road Atlanta
(Saturday 12)
Motul Petit Le Mans
2018 winner: Renger van der Zande, Jordan Taylor, Ryan Hunter-Reay
|
|
| October 20 |
|
|
|
| October 27 |
Mexico City
Mexican Grand Prix
2018 winner: Max Verstappen
|
|
|
| November 3 |
Austin
United States Grand Prix
2018 winner: Kimi Räikkönen
|
|
|
| November 10 |
|
|
|
| November 17 |
São Paulo
Brazilian Grand Prix
2018 winner: Lewis Hamilton
|
|
|
| November 24 |
|
|
|
| December 1 |
Yas Marina
Abu Dhabi Grand Prix
2018 winner: Lewis Hamilton
|
|
|