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I run 1500m 4 minutes 24 seconds.

I couldn't break my PB... But I felt happy!
I enjoy today race.
I became very tired.
I will go to bed early .
Good night!

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I couldn't break my PB...

Good night!

I run 1500m 4 minutes 24 seconds.


I ruan 1500m in 4 minutes 24 seconds. I ran 1500m in 4 minutes 24 seconds.

You ran in the past. "I run" means you usually run 1500m in 4m24s. You need 'in' here to show that this took a certain amount of time.

I ruan 1500m in 4 minutes 24 seconds. I ran 1500m in 4 minutes 24 seconds.

I couldn't break my PB...


This sentence has been marked as perfect!

But I felt happy!


Bbut I felt happy! but I felt happy!

After "..." it is still the same sentence, so you don't need a capital letter here.

Bbut I felt happy! but I felt happy!

I enjoy today race.


I enjoyed today's race. I enjoyed today's race.

I enjoyed today race's run. I enjoyed today's run.

"Race" typically refers to a competition. I might suggest "run" here instead.

I became very tired.


I became very tired. I became very tired.

While grammatical, "I became very tired" might not be the most common or natural way to say it. Allow me to suggest "I am very tired" as an alternative.

I will go to bed early .


I will go to bed early . I will go to bed early.

I will go to bed early . I will go to bed early.

Good night!


This sentence has been marked as perfect!

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