Which sport to choose when you start again after a long break

You stopped for two years, five years, or longer, and you want to know which sport to start again with. The honest answer is that the official question is not framed that way. Here is what the World Health Organization, the French food safety agency and the French health authority actually say, and what follows from it.

Is there an officially recommended sport for starting again?

No. No official French or international source ranks disciplines for a return to activity. Neither the French health authority, nor ANSES, nor the sports ministry publishes any which sport first list. The rankings you find online are opinions, not recommendations.

Institutions think in terms of volume, intensity and type of demand, not in disciplines. That shift is liberating: the right sport to restart with is the one you will actually do three times a week for six months, not the one an article picked for you.

What volume should you aim for at the start?

The benchmarks are numeric and public. Since 2020 the World Health Organization recommends, for adults aged 18 to 64, at least 150 to 300 minutes of moderate intensity aerobic activity per week, or 75 to 150 minutes of vigorous intensity, plus muscle strengthening on at least two days a week.

One detail changes a lot for a beginner. In 2020 the WHO removed the requirement for bouts of at least ten minutes that appeared in its 2010 guidelines. Every duration now counts. The French ANSES benchmarks, published in 2016, still mention that ten minute threshold, simply because they have not been rewritten since.

And 150 minutes is not a target to reach, it is the floor of a range. The WHO states that going beyond the range brings additional benefits.

Do you need a medical certificate to join a club in 2026?

As a general rule no, contrary to what almost everyone believes. For minors, the decree of 7 May 2021 removed the certificate requirement for obtaining or renewing a licence, replacing it with a health questionnaire. For adults, the law of 2 March 2022 on democratising sport did the same.

Since then each federation decides alone whether it requires one and how often. Tennis does not ask for one; football, judo, equestrian sports and basketball ask for one valid three years. These are federation rules, not a rule of the sports code, and you have to check with the federation concerned.

One exception remains, the disciplines with particular constraints, which require a certificate less than a year old. The decree of 31 August 2023 shortened that list: it now covers underwater diving, combat disciplines in competition where knocking out is allowed, disciplines using firearms or air-powered weapons, those practised in competition with motorised land vehicles, and powerboating. Mountaineering, caving, parachuting and rugby are no longer on it.

Should you see a doctor before starting again?

Not systematically, and it is the French health authority that says so. Not everyone needs a medical opinion before starting, and the exercise stress test is described as weakly predictive of a serious cardiovascular event, with limited indications. There is no systematic screening.

The authority does recommend assessing cardiovascular risk in anyone consulting about activity of at least moderate intensity, and provides a self-questionnaire to identify who should see a doctor. In plain terms, if you have a cardiac history, a chronic condition, unusual pain on exertion or the slightest doubt, get medical advice. Otherwise, you can start gently.

What is the real risk of coming back too fast?

It is measured, and it is clear. A meta-analysis published in Sports Medicine in 2015 establishes an incidence of 17,8 injuries per 1 000 hours of running among novice runners, against 7,7 per 1 000 hours among recreational runners. Hour for hour, a beginner therefore gets injured more than twice as often as an established runner.

The famous ten percent weekly increase rule, on the other hand, has never been validated. The randomised trial that tested it on 532 novice runners measured 20,8 % injuries with a programme built on that rule, against 20,3 % with a standard programme. It is a widespread practical guide, not proven data.

A word on the fitness loss figures you see circulating. They come from studies of trained endurance athletes who stop, not of adults who have been sedentary for years. Transposing them has no basis.

How do you actually choose your comeback sport?

Since nobody will tell you which discipline to pick, choose on criteria you control. Distance first, because a venue fifteen minutes away gets used and one an hour away gets dropped. Impact next, knowing that supported activities load the joints less than running. Strength work last, which the WHO asks for twice a week and which almost every beginner forgets.

And given what research says about the risk of the first weeks, start with short frequent sessions rather than long rare ones, build up in stages with an adaptation period at each step, and line up a partner or a group so you do not depend on your Sunday morning motivation alone.