Mentor coaching is one of the requirements that surprises people on their way to an ICF credential. It is not the same as supervision, it is not the same as training, and it is not optional. For both the ACC and PCC credentials, the International Coaching Federation requires 10 hours of mentor coaching. Here is exactly what those hours are, how they break down, and how to make them count.
What mentor coaching actually is
Mentor coaching is coaching on your coaching. You are coached on developing and demonstrating the ICF Core Competencies — usually by reviewing recordings of your real sessions with a more experienced coach who gives you feedback against the competency model. The point is your professional development as a coach, distinct from a session about your life or your business.
It is easy to confuse mentor coaching with two neighbors:
- •Coach training teaches you the model in a classroom. Mentor coaching applies it to your own recorded practice.
- •Supervision is reflective practice focused on you as a practitioner — your reactions, ethics, and well-being — rather than scoring your competency demonstration.
The 10 hours, broken down
The requirement has a few moving parts that matter for planning:
- •10 hours total. This is the same for ACC and PCC.
- •Over a minimum of 3 months. You cannot compress the 10 hours into a single intensive week — ICF requires the engagement to span at least three months so the development has time to land.
- •A group/individual split. A maximum of 7 hours may be delivered in a group setting, and at least 3 hours must be individual (one-on-one) mentor coaching.
So a common, compliant pattern is 7 hours of group mentor coaching plus 3 hours of individual mentor coaching, stretched across at least three months. You can also do more individual time and less group — the floor is 3 hours individual, the ceiling is 7 hours group. Always confirm the current limits on the official ICF site before you book, since program details can change.
Why ICF requires it
The three-month minimum is the tell. Mentor coaching is not a box to tick; it is designed to create a feedback loop. You coach, you get specific feedback on how your sessions map to the competencies, you adjust, and you coach again — over a long enough window that the changes become habits rather than one-off corrections. Group hours add the benefit of hearing feedback on other coaches' sessions, which is often where the most transferable lessons come from.
What to bring to make the hours count
Mentor coaching time is finite and, usually, paid. The students who get the most out of it arrive prepared instead of using precious mentor time to discover basics they could have spotted themselves.
Bring real recordings, not your best-ever session
Pick sessions that show a genuine pattern you want to work on — not just the one where everything clicked. Your mentor can only help with what they can hear.
Come with specific questions
"Was that good?" wastes the hour. "I think I interrupt the client when they go quiet — can we look at minute 12?" turns the session into targeted work.
Know your own numbers first
If you already know your talk-time ran high, or that you stacked three questions in a row, you can spend mentor time on the why and the fix rather than on discovery. Doing a structured self-review before each mentor session is the single biggest multiplier on the value of those 10 hours.
This is exactly where Coala fits. It analyzes your recordings against the ICF Core Competencies and surfaces concrete signals — conversation balance, open versus closed questions, advice-giving, presence — so you walk into mentor coaching already knowing your patterns. You spend mentor time on deeper work instead of basics. Coala is a preparation tool, not a replacement for mentor coaching, and it is not affiliated with ICF — but it makes the hours you pay for go further. If you coach professionally, our guide for coaches goes deeper on building that review habit.
Choosing a mentor coach
Not every experienced coach is set up to be your mentor coach for credentialing purposes. Look for someone who works at or above the level you are pursuing, who is comfortable reviewing recordings against the Core Competencies, and whose feedback is specific rather than encouraging-but-vague. Ask how they structure the group and individual hours, and how they document the engagement — you will need a record that the requirement was met. If you are credentialing on a path affected by the 2027 changes, also ask whether they hold the Mentor Coach Specialization.
Common misconceptions
- •"It is just more training." It is not — it is feedback on your own recorded practice.
- •"I can do all ten hours in a weekend." The three-month minimum rules that out.
- •"Group hours are filler." Often the opposite — hearing feedback on other coaches' sessions is where transferable lessons live.
- •"Any coach can mentor me." For credentialing, the mentor and structure have to meet ICF's requirements; confirm before you book.
How it fits the bigger picture
The 10 hours of mentor coaching sit alongside your training hours, coaching experience hours, the performance evaluation, and the credentialing exam. If you are still deciding which credential to target, our comparison of ICF assessment preparation lays out how the pieces connect for ACC and PCC. Arriving prepared to every requirement — mentor coaching included — is what turns the credential from a stressful gauntlet into a series of manageable steps.