Questions & Answers about Este corredor trota tan rápido como su amigo.
Este means this and is used for a masculine singular noun, here corredor.
- este corredor = this runner
- ese corredor = that runner
- aquel corredor = that runner over there
Spanish distinguishes these demonstratives more clearly than English often does.
Because corredor is the masculine singular form.
- el corredor = the male runner
- la corredora = the female runner
So if you were talking about a woman, you would say:
Esta corredora trota tan rápido como su amiga.
The adjective and demonstrative would also change to match.