Why is it das Doping?

Doping ends in -ing, and most nouns ending in -ing are neuter: in a German dictionary, 84% of them take das.

All nouns ending in -ing
Sense 1
das

Meaning

[1] Sport: Use of unauthorized substances to increase performance

[1] Sport: Anwendung unerlaubter Substanzen zur Leistungssteigerung

Examples

[1] In the GDR, doping was apparently at the agenda

[1] In der DDR war Doping anscheinend an der Tagesordnung.

[1] "It would of course be the ideal case that doping does not take place at all, as ideally there should only be good people"

[1] „Es wäre natürlich der Idealfall, dass Doping gar nicht stattfindet, so wie es im Idealfall nur gute Menschen geben sollte.“

Declension

1 Singular Plural
Nominativ das Doping —
Genitiv des Dopings —
Dativ dem Doping —
Akkusativ das Doping —

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary