How long a coaching session lasts

What the clock measures

An executive considering coaching has two calendar questions. The larger one looks at the whole engagement — how many sessions it takes — and we have taken that up in its own essay. The smaller one usually arrives in the first phone call: how long is a session. The short answer is simple; a conversation runs sixty to ninety minutes, and in most engagements it happens every other week.

The short answer is accurate and, on its own, misleading, because the clock measures the smallest part of the process. The executive asking is rarely curious about minutes; they are asking about density — what will fill those ninety minutes, and what happens if nothing does. For someone trained to read a calendar in hours, that is a natural question. The currency coaching actually spends is not time but attention. The two layers of the answer separate there: the number reassures, the content persuades.

The length is a design

Sixty to ninety minutes is not a convention; it is a design. A conversation needs time to get past its reporting layer, and a sentence needs time to become testable. The length of a session is derived from the load a working conversation can carry, not from anyone's availability. So our answer begins with a number but does not end there. The inside of the number is the real answer.

The four movements inside a session

From the outside a coaching session looks like one continuous conversation. From the inside it is four movements doing different work, and their order almost never changes. All four live inside the same hour and a half, and they do not move at the same speed.

• Arrival. The first minutes are an account of the two weeks in between: what was tried, what happened, what was postponed. This layer is necessary, and it is eager to expand.
• The turn. A single sentence changes the direction of the conversation; the subject that was brought in and the subject that will be worked on separate at that moment.
• The work. This is the body of the session: one subject, as concrete as possible, as slow as necessary.
• The close. The last minutes attach to an experiment rather than a conclusion — what will be tried in the next two weeks, where, and in front of whom.

The balance between the four decides the quality of the session. When arrival expands, the work shrinks; when the turn never comes, the session becomes a status meeting and even ninety minutes starts to feel short. The mark of a good session is leaving the room with one testable sentence, not with eight good ideas.

The moment of the turn

The turn announces itself. The tempo drops, sentences get shorter, and the executive uses a word about themselves that until then had only been used about other people. Sometimes it arrives in the fifth minute, sometimes in the fortieth; the session's slack exists for that range. For the same reason we do not script a session to the minute — a script closes the door the turn comes through. No two sessions repeat. Even the same subject opens from a different place the second time.

Why shorter fails and longer spills

A half-hour conversation does not get past a good executive's reporting layer. The first twenty minutes are always orderly: there is a week prepared for telling, and it gets told. The real subject begins after the prepared sentences run out, when the talk turns slower and less certain. A meeting that ends before that threshold leaves both sides feeling the work was done; the report was given and heard. The short session ends exactly where the conversation was about to become work, which is why it feels efficient and changes nothing.

The long session misleads differently. Past the second hour subjects multiply; instead of the depth of one, the surface of three. As fatigue rises the room starts producing solutions, and a room that produces solutions has taken the thinking away from the executive. The session's job is not to manufacture the answer in the room but to build the sentence the answer will be tested by outside it. Ninety minutes is a ceiling for a reason: attention is a shorter resource than it is assumed to be.

The session that ends early

There is a less discussed side to this: some sessions end early, and that is not a defect. If the sentence being looked for was built in the fortieth minute, filling the rest of the hour does not refine it, it dilutes it. A session that can be ended early is one of the signs a process is working; a session talked through so the clock fills is a sign of the opposite. An executive who treats the time as an instrument rather than an entitlement sees the difference within a few conversations.

The real work is the two weeks between

The second duration, as important as the session's own, is the space between two sessions. That is where the actual work of coaching happens: the sentence built in the room gets tried once in real life, the result is seen, and the next conversation opens with that result. The interval has to be long enough for that loop and short enough not to cool the subject; its measure is set by the experiment, not by the calendar. A small private record kept in between — what I tried, what happened, what I postponed — makes the interval's work visible.

Whether the interval works depends on how concrete the close was. With an executive who struggles to close a decision, the threshold is set in the room but the evidence is gathered outside it. When a company's direction is being clarified, the sentence is built in the room but finds its owner outside it. The session is the preparation for the interval; the interval is the proof of the session. When nothing has been tried for two weeks, the next conversation is spent retelling rather than working.

The calendar is a method

When the interval is regular, the process builds its own rhythm. The executive lives the two weeks, often without noticing, collecting what will be carried into the room. The one sentence written down the morning after a hard conversation often turns out to be the session's best material. When meetings become sparse and irregular, that collection is the first thing to go. How we work writes both the length and the interval down at the start; neither is a negotiation, both are part of the method.

From the field

The most interesting pattern from the field is this: the executives who ask about the length and the ones who strain against it are not the same people. The ones who ask upfront how many minutes a conversation runs turn out to use those minutes with the most discipline; knowing the boundary makes it easier to fill what sits inside it.

What does not fit in ninety minutes

The ones who strain against the clock usually arrive with a subject that is overdue: something unspoken for months does not fit into ninety minutes. What needs extending there is not the session. The subject either spreads across several conversations or, by its nature, asks for a different tempo altogether; which of the two it is gets decided by the shape of the engagement, not by the length of the meeting. We talk about that distinction in the first conversation, because this is where the wrong expectation is most often set.

And a last observation: whether a process is transformative shows in the fullness of the intervals, not in the length of the sessions. When nothing has been tried in two weeks, ninety minutes runs short; when something has, even sixty leaves time to spare. The clock is the least important measure of a working process.