How long should a workout be

Why longer is not better, how to fit everything into 45 minutes, and what to cut when you are short on time.

2 min read · Updated 08.08.2026.

How long should a workout be
Photo: Dirk Ingo Franke · CC BY 3.0

A quality session takes 40–70 minutes. Beyond that it usually turns into chatting, phone scrolling and sets that no longer do anything.

Why longer is not better

  • After 45–60 minutes of hard work, focus and force output drop.
  • Fatigue from too many sets lowers the quality of your last sets — the ones that matter most.
  • Longer sessions mean longer recovery, not more growth.

A 45-minute template

  1. Warm-up — 6 min
  2. Main lift 3 × 5–8, 2.5 min rest — 12 min
  3. Second big lift 3 × 8–10, 2 min rest — 10 min
  4. Two isolation exercises paired as a superset, 3 × 12 — 9 min
  5. Trunk, 3 sets — 5 min

When you only have 25 minutes

Keep the first two big lifts and do them properly. A 20-minute session you complete beats a 60-minute one you skip.

Supersets: how to save time

Pair exercises that do not interfere: biceps + triceps, chest + back, calves + abs. Never squats + deadlifts.

What steals your time

  • Phone between sets (8–12 minutes per session on average).
  • Waiting for a machine instead of swapping for a similar one.
  • An overlong treadmill warm-up.
  • Too much isolation work at the end.

The short version

  • 45–60 minutes covers everything.
  • Big lifts first, isolation last and in supersets.
  • A short session beats a skipped one.

General information, not medical advice. If you have a health condition or pain, talk to a doctor before changing how you train.

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