Learn Swedish: Uthålligheten är viktig, oavsett om du gillar distansen. - Endurance is important, regardless of whether you like the distance.

Oavsett on its own acts as a preposition meaning "regardless of". Because the next part of this sentence is a full clause with a subject and verb, you must add the subjunction om (if/whether). Together, oavsett om means "regardless of whether". If you were just linking to a noun without a verb, you would drop the om and simply say oavsett distansen (regardless of the distance).

Why does the Swedish sentence say Uthålligheten (the endurance) when the English translation just says "Endurance"?

Swedish frequently uses the definite form for abstract and uncountable nouns (like endurance, love, or nature) when making general statements about the concept as a whole. While English leaves these abstract subjects indefinite, Swedish usually requires the definite suffix.

Does oavsett om trigger a specific word order for the rest of the sentence?

Yes, oavsett om introduces a subordinate clause. This means the clause must follow standard subordinate word order, where the subject (du) comes immediately after the subjunction (om). Importantly, if you wanted to make this negative, the adverb inte would have to come before the verb: oavsett om du inte gillar distansen.

Could I use även om instead of oavsett om here?