YOU SAID:

And you run and run to catch up with the sun but it's sinking.

INTO JAPANESE

そして走って走って太陽に追いつくために走りますが沈んでいます。

BACK INTO ENGLISH

And I run and run to catch up with the sun, but it is sunk.

INTO JAPANESE

そして走って走って太陽に追いつくために走りますが沈みます。

BACK INTO ENGLISH

Then it runs to run and catch up with the sun, but it sinks.

INTO JAPANESE

それから走り、太陽に追いつきますが、沈みます。

BACK INTO ENGLISH

Then I run and catch up with the sun, but sink.

INTO JAPANESE

それから私は走って太陽に追いつくが、沈む。

BACK INTO ENGLISH

Then I run and catch up with the sun, but sink.