我叫Nathalie。
我告诉一些我的爱好。(Q:This sentence is missing the object, who do you want to tell about your hobby)
每天我很散步。(Q:“很”= very,so,if you wanna express you like walking,you'd better say"每天我都(要/会)散步")
周末我跟我朋友一起去饭馆。(According to English geammer,this sentence does not express the tense,for example, if you are going to dinner this weekend:这(or next weekend:下 )周末我 要/会/将 跟我朋友一起去饭馆. if you went to dinner last weekend:(上)周末我跟我朋友一起去了(“了” is important)饭馆.)
星期三和星期五我在舞厅跳舞。(Nice. But do you mean this statement to express that you go every Wednesday and Friday every week, indicating that this is a habit or that it is just this week or a temporary one?)
虽然我跑步跑得慢,但是每(个/周)星期六我喜欢跑步。(If you want to express that you go running all Saturdays, you should say:每(个/周)星期六我都会跑步 or 每(个/周)星期六我喜欢(去)跑步,because the phrase is to express that you like the habit of running, not to produce this habit only on Saturday.)
我也在游泳馆游泳。晚间我看电影。(Good!Of course, the phrase could have been better.