Hi everyone, I try to learnimprove my english writing skills. Hi everyone, I try to improve my english writing skills.

Hi everyone,! I'm trying to learn eEnglish writing skills. Hi everyone! I'm trying to learn English writing skills.

Maybe 'practice' would work here instead of 'learn')

Hi everyone, I tryam trying to learn english writing skillhow to write in English. Hi everyone, I am trying to learn how to write in English.

If you are writing about an ongoing event(I am trying) you need to use the verb am(to be) and the -ing ending to signal that it is something you are currently doing. Also, I think that "how to write in English" fits the context better than "English writing skills".

Today I ran 5 km in the wood.s. Today I ran 5 km in the woods.

Today I ran 5 km in the woods. Today I ran 5 km in the woods.

Wood - a material from trees Woods - лес

Today I ran 5 km in the woods. Today I ran 5 km in the woods.

The woods are plural and will therefore end in a plural -s

There were many people in the woods because today is Saturday. There were many people in the woods because today is Saturday.

There were many people in the woods because today is Saturday. There were many people in the woods because today is Saturday.

When I runnedan under the open sky, the sun is strong burningwas bright. When I ran under the sky, the sun was bright.

When I runnedan under the open sky, the sun is strong burniwas burning strong. When I ran under the open sky, the sun was burning strong.

The past tense of 'run' is 'ran' :3 Stick to one tense, you began with the past tense and then continued onto the present tense

RThe remaining 4 km I ran at a speed of 1km per 6 min. The remaining 4 km I ran at a speed of 1km per 6 min.

RFor the remaining 4 km, I ran at athe speed of 1km per 6 min. For the remaining 4 km, I ran at the speed of 1km per 6 min.

Remember articles :3

TheMy maximum heart rate was 183. My maximum heart rate was 183.

You are talking about yourself here, so I would use 'my'

TheMy average heart rate was 170. My average heart rate was 170.

It is a very big numbers so I need reduce its to average 160. It is a very big number so I need reduce it to average 160.

It is a very big numbers, so I need to reduce its to an average of 160. It is a very big number, so I need to reduce it to an average of 160.

Either - it is a very big NUMBER or - they are very big NUMBERS Use infinitive verb - TO reduce

PThis is probably because of this is 5 days ago I donated donormy blood, and my organizme donsms haven't fully recover.ed. This is probably because 5 days ago I donated my blood, and my organisms haven't fully recovered.

Sentence structure difference and also some tense problems here

Probably cause of this is 5 days ago I donated donor blood and my organizme dons didn't fully recover. Probably cause 5 days ago I donated blood and my organs didn't fully recover.

I am planning my next running on for Monday and I will see what will come of it. I am planning my next run for Monday and I will see what will come of it.

I plan next runnto run againg on Monday and I will see what will come of it. I plan to run again on Monday and I will see what will come of it.

Good sentence but you need the infinitive verb - to run, in this sentence :3