YOU SAID:

My horse ran away and I ran with him.

INTO JAPANESE

私の馬は逃げ走り、彼と一緒に。

BACK INTO ENGLISH

My horse ran away with him.

INTO JAPANESE

私の馬は、彼と駆け落ちしました。

BACK INTO ENGLISH

My horse has eloped with him.

INTO JAPANESE

私の馬は、彼と駆け落ちしました。

BACK INTO ENGLISH

My horse has eloped with him.