This is the 10630th most frequent German word.
rennsaison
"Rennsaison" means "racing season."
Here, "rennsaison" (racing season) is used to denote the specific time period dedicated to racing activities.
Die Rennsaison beginnt im Frühling.
The racing season starts in spring.
In this sentence, "rennsaison" represents the timeframe in which drivers prepare and compete.
Während der Rennsaison trainieren die Fahrer äußerst intensiv.
During the racing season, the drivers train extremely intensively.
Here, "rennsaison" is used to specify the preceding period in which the racing events took place.