For reference: IELTS 101 is the course that covers all four s | IELTS Proficiency
For reference:
IELTS 101 is the course that covers all four skills and is aimed at intermediate level students (IELTS 5.5-6.0). The course duration is 2 months.
IELTS Advanced Plus is intended for advanced learners of the language (IELTS 7.0+) who want to reach an advanced plus or a proficient level. The course duration is 2 months.
IELTS Marathon is not so much a course as it is a practice. It lasts for 30 days and includes practice from all four skills.
Section-based courses come from IELTS 101 and IELTS Marathon which focus solely on a particular section, such as speaking.
