Why is it der Raser?

Raser ends in -er, and most nouns ending in -er are masculine: in a German dictionary, 86% of them take der.

All nouns ending in -er
Sense 1
der

Meaning

[1] Someone who drives very/too quickly

[1] jemand, der sehr/zu schnell fährt

Examples

[1] "In addition, some racers have already been caught"

[1] „Außerdem seien einige Raser auch schon erwischt worden.“

[1] "We are a people of the racers, unfortunately you have to say that"

[1] „Wir sind ein Volk der Raser, das muss man leider sagen.“

Declension

1 Singular Plural
Nominativ der Raser die Raser
Genitiv des Rasers der Raser
Dativ dem Raser den Rasern
Akkusativ den Raser die Raser

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary