The Ontario Honda Dealers Indy at Markham is a IndyCar Series race that is held at the Markham Street Circuit, in downtown Markham, Ontario, Canada. This race replaces the race held at Exhibition Place in nearby Toronto.

History On September 3, 2025, it was announced that the Grand Prix of Toronto would be moved from Exhibition Place to Markham Centre in Markham, Ontario as part of a 5-year deal. The inaugural race was held on August 16, 2026.

Past winners SeasonDateDriverTeamChassisEngineRace DistanceRaceTimeAverage SpeedReport Laps Miles (km) 2026 August 16 Marcus Ericsson Andretti Global Dallara IR-18 Honda 90 197.1 (317.2) 2:16:22 83.156 Report

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