Due to the decreased track size, the default number of laps is increased per track.

Due to the narrow track, initially mainly motorcycle events were held there until 1956.

Due to the erratic track of the storm along the Texas coastline, widespread heavy rains fell in areas near the storm and in Louisiana.

Due to the oversized track at that facility, the mark would not be recognised as a National Record.

Chen qualified in 4th, but crashed into the tyre wall during the first lap due to the wet track.

The repaving came almost a year earlier than planned due to the track coming apart during the 2010 Daytona 500.

Most of the 62 qualifiers set their fastest times in the third qualifying session due to the fully dry track.

Sports day is usually cancelled due to the track being flooded and so has not run for the last four years.

The line closed on 31 August 1957 due to the track being close to public roads with no fencing between.

However, due to the slippery track at Wembley, Hoy could not take part on the bicycle.