Tom Blackett

Founder and coach, Ninety

Tom played field hockey competitively for fifteen years, through club and county sides and one season in the national league. What stayed with him was not the matches. It was the winters — the conditioning blocks, the rehabilitation, the February mornings that quietly decide what happens in April.

He still races: ultramarathons, mostly on trail, at distances that reward patience over talent. What time is left goes on long routes in Scotland and the Alps, generally in indifferent weather. Both are the same lesson at a different scale — the result was settled months earlier, by sessions that felt entirely unremarkable at the time.

He has coached private clients in London for fourteen years: partners, founders, executives, and a number of people who had privately concluded they were simply not the sort who trains. The physiology has never been the interesting part. The interesting part is the narrow, practical question of what makes a busy adult keep an appointment with themselves — and what has to be built around them so that they do.

He is not much interested in transformations. He is interested in what somebody turns out to be capable of once they stop starting again.

Why adherence

In fourteen years I have written a great many programmes and very few of them failed. What failed was the fortnight in March when a deal closed, the week the school holidays landed badly, the Thursday that became a call. The programme was never the variable. Attendance was, and nobody was measuring it.

So Ninety measures it. Sessions are fixed in the calendar before a block begins, completion is logged rather than remembered, and a miss produces a text from me within hours rather than a silence that turns into a month. The eighteen-minute fallback exists for the same reason: on the worst weeks, the objective is not a good session, it is a session. Consistency is not a character trait. It is a system, and it can be built.

Why 20

The follow-up is the product, and the follow-up does not scale. I can hold 20 members in my head — who trained, who did not, who is travelling next week, whose knee is complaining. At that number a missed session is noticed the same day by a person who knows the context.

At two hundred members it becomes an automated email, and an automated email has never made anybody train. So the cap is not a marketing device. It is the number at which the method still works, and it is the reason there is no sign-up button anywhere on this site.

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