Complete Postponements:

1915 -- The race was scheduled for Saturday, May 29 because Memorial Day fell on Sunday that year. The event was postponed the day before the race and rescheduled for the following Monday to give the racing facility more time to dry from torrential rains.

1986 -- The race was scheduled for Sunday, May 25, but rain forced postponement until the following day which was also washed out. The race was rescheduled for Saturday, May 31, and was successfully run.

1997 -- The race was scheduled for Sunday, May 25, but rain forced postponement until the following day. After 15 laps on Monday, May 26, inclement weather again forced the race to be postponed to Tuesday.

Partial Postponments:

1967 -- The race was rained out after 18 laps and run the following day.

1973 -- The race was started on Monday, May 28, but a first-lap accident involving Salt Walther brought out the red flag. Before the race could be restarted, rains washed out the event. The race was rescheduled for Tuesday, May 29, but after two parade laps rains again fell and the race was postponed. The race got underway on Wednesday, May 30, but rain forced the race to be stopped after 133 laps and ruled complete.

Rain Shortened:

1926 -- 160 laps (400 miles)
1950 -- 138 laps (345 miles)
1973 -- 133 laps (332.5 miles)
1975 -- 174 laps (435 miles)
1976 -- 102 laps (255 miles)

Additional Notes:

1926 -- The only race to have been stopped twice by rain in the same day. The event was temporarily halted on lap 71, and was ruled complete after 160 laps.

1940 -- The final 50 laps were run under caution due to a light rain.

1973 -- This was the last time there was a fatality during the race as Swede Savage of Santa Ana, Calif., was killed during a one-car incident on May 29; it's also the last time more than one driver lost his life at Indy during the month of May as Art Pollard of Medford, Ore., was killed in practice.