The Best Time to Go to the Gym, and When It's Quietest

If you want to build muscle and strength, no time of day has been shown to beat any other, so the best time to go to the gym is the one you can keep coming back to week after week. Most people are a little stronger in the late afternoon and evening, but people who train in the morning gain about as much over a few months. If what you want is an empty gym, the answer is different: at most gyms the crush comes straight after work, with smaller rushes before work and at lunch, which leaves mid-morning, mid-afternoon and the last hour or two before closing as the quiet stretches. Your own gym can show you its pattern, and I'll show you where to look.

You're a little stronger in the evening, and it mostly evens out

The evening advantage is real. A 2020 review in Scientific Reports reports that in most studies, short, all-out efforts, like sprints, jumps and maximal contractions, peak between 4 pm and 8 pm. The same review lists what shrinks that gap: a proper warm-up, a warm room, and training at the same time of day for long enough that your body gets used to it. That last point is the one that matters for lifters. A 2019 meta-analysis of 11 strength training studies found that people were stronger in the evening at the start, but those who trained in the morning brought their morning strength up to evening levels. Over the course of the studies, the morning and evening groups gained similar amounts of strength, and their muscles grew by similar amounts. Eleven studies is not a huge body of evidence, but they point the same way: the clock is not what decides your progress.

Keep your hard sessions at roughly the same hour

The most recent review on this, published in 2023, pooled 26 training studies and found no good evidence that any time of day leads to better results. What it did find, with the caveat that most of those studies had a high risk of bias, is that results tend to be larger when people are tested at the same time of day they train. For most people that's a small thing, but it has one clear use. If you're working towards a heavy single, a meet or a fitness test at a known time, do your hardest sessions around that hour. And if you don't have a date in mind, keeping your main sessions at a similar time each week costs you nothing and stops you from comparing a tired 7 am lift with a fresh 6 pm one and thinking you've lost strength.

An empty weights area with free benches and dumbbells Photo: 大董, Pexels

How to find your gym's quiet hours

Crowds change a session more than the time of day does. When every rack and bench is taken, you spend the session waiting, your rest times stretch, and you end up swapping your main lift for whatever is free. The quickest way to see your gym's rhythm is Google Maps. Search for the gym and scroll to Popular times, which shows how busy each hour usually is, based on the last few months of visits, compared with that gym's busiest hour of the week. Where Google has enough data, a live bar on the same chart shows how busy it is right now, so you can check before you leave home. Smaller gyms often have no chart at all, and then the front desk is the best source, because staff know exactly when the after-work wave arrives. Weekends follow their own pattern, so check them separately.

Mornings are easier to protect, if you sleep enough

A morning session happens before your day has a chance to take it away. By 6 pm there's a late meeting, a tired commute, dinner to make and a sofa calling, while at 7 am nothing has gone wrong yet. That's why an early slot suits people whose evenings keep getting eaten. It only works if you move your bedtime with it. The CDC recommends 7 or more hours of sleep a night for adults up to 60, and an early alarm on top of a late night doesn't add a workout, it swaps sleep for one. You're also a little weaker in the morning, so give yourself a longer warm-up than you would in the evening: a few minutes of easy cardio, then lighter sets of your first lift before the working weight.

A man stretching his arm before a gym session Photo: Tima Miroshnichenko, Pexels

Evenings won't ruin your sleep

People often skip evening training because they think it will keep them awake. A 2019 meta-analysis of 23 studies on healthy adults found that exercising in the evening didn't harm sleep, and if anything it helped a little. The exception was vigorous exercise that finished an hour or less before bedtime, which could make it harder to fall asleep and cut sleep a little short. A hard leg day can count as vigorous, so finish it more than an hour before you go to bed and you'll be fine. The real cost of evening training is the crowd. If you can only go after work, either go later, once the rush has thinned out, or plan a session around dumbbells and machines so you're not standing in line for the one free squat rack.

A simple way to choose

What matters most to you	When to go
Lifting your heaviest	Late afternoon or early evening, or any time with a longer warm-up
An empty gym	Mid-morning, mid-afternoon or late evening. Check Popular times for your gym
Not skipping sessions	The slot your week is least likely to take away, often early morning
Good sleep	Any time. Finish hard sessions more than an hour before bed
Training with a friend	The hour you're both free

If you still can't decide, pick one slot, keep it for two weeks, and count how many sessions you made. The slot you keep turning up for is your answer.

Train with someone at your hour

Whichever time you choose, it's easier to keep when someone is waiting for you at the rack. Workout With Me shows workout sessions at gyms and parks near you on a live map, so you can find a workout partner who trains at the same hour, join their session, or host your own now or later. The app is free to download on the App Store and Google Play, and the social side is free forever.