Indy 500 Green Flag 2025. Officials have released the updated schedule for sunday afternoon’s race: The green flag for the 2025 indianapolis 500 is expected at 12:45 p.m.

Although the 2025 indy 500 schedule has not been finalized, typically the green flag that starts the race is dropped around 1:00 pm est. The race will take place on sunday, may 25 th, 2025, at the iconic.