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12 Months at the Gym. What the Data Actually Says.

I have been training for years. But how consistent I really am, that I never quite knew. Gut feeling is no reliable measure. You remember the good weeks. The bad ones blur together.

That is why, a year ago, I started logging every training session in SecBrain. Date, split, duration. Nothing more. One activity per session, pulled through consistently.

Today I looked at the data as a whole for the first time. Here is a summary for you.

The numbers at a glance

Total sessions79across 12 months
Total time82h~3,482 minutes
Avg session length66 minper session
Cost per session€3.80at €25/month

79 sessions in 12 months. That is just under 6.6 per month, or a little less than two per week on average. My goal at the start was 3 times a week. Reality looks a bit different. But I am still at it and I want to get better.

Training frequency and volume by month

SessionsMinutes
0369120200400600800JunJulAugSepOctNovDecJanFebMarAprMayJun

Bars: sessions per month (left axis). Line: training minutes per month (right axis).

The chart immediately shows what gut feeling would have distorted. There are clear high phases and a marked dip in autumn 2025 that did not feel like bad months, it simply... happened.

Which splits were trained?

General53Legs11Push9Pull3Core3

Number of sessions per training type, June 2025 to June 2026.

53 of 79 sessions were logged as General. In the beginning I tracked the splits cleanly, at some point that slipped. The result is an analysis that says less than it could. Legs, Push and Pull together make 23 sessions. Core: 3.

Since this week I track the splits consistently again. So that next year the analysis actually says something.

Four patterns in the data

These are the four things I would not have seen without the data:

Early-morning dominance

Over 60% of the sessions fell between 6:30 and 8:30 in the morning. The reason is simple: in the morning I am not hungry and I shower anyway. So get up, train, shower, work. After work the motivation is usually missing, and the hunger kicks in. Morning training simply survives the day more reliably.

Loss of structure in autumn 2025

September and October were weak: 2 sessions in September in total, breaks of up to 22 days. Honestly, I fell into a small hole of worrying about the future and binge watching. It happens.

Recovery from February 2026

From February the frequency stabilized again. March 2026 was the strongest month of the whole year with 5 sessions. For certain reasons I had more time to focus on the gym again, and you can see that in the data.

The tracking problem

53 of 79 sessions were recorded as General, without a split. The tracking slipped because back then I had not even thought about doing an analysis at the end of the year. Now I am starting to document cleanly again. Next year the analysis will be meaningful.

The takeaway

In my opinion it is really interesting to analyze yourself and check whether you are as regular a gym goer as you think you are. For me it is a push to do more in the future. My goal is to look defined, even without flexing. That is what it is actually about. Not the data. But the data helps to analyze the progress and to improve.

You can see the weak months. The good ones too. And that is actually the most valuable part: no more gut feeling, but a real picture of how the year actually was.

The tracking itself was not perfect. But it does not have to be to get something useful out of it in the end. Next year will be better, because now I know what matters.

What does one session really cost?

One more thing I worked out of curiosity. The membership costs €25 a month. Spread over the sessions I actually completed, that comes to €3.80 per session.

€25/month × 12 = €300 total
€300 ÷ 79 sessions = €3.80 per workout
At 3×/week it would be only €1.92 per session.

Depending on how often you go, you set the value of each workout yourself. Anyone who signs up in January and never goes pays €25 a month for nothing. Anyone who trains daily gets down to €0.83 per session. Over the year I land at €3.80 on average. Could be better, but sometimes life gets in the way. We will see what next year brings.

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