Personal records, rep records and one-rep maxes
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Personal records, rep records and one-rep maxes

September 8, 2026By NM Staff

A personal record is a best result you have recorded for a defined task. A one-rep max, often written 1RM, refers to the greatest load lifted once for a particular exercise. A repetition record describes a different achievement, such as more repetitions at a stated load.

The label matters because “new PR” leaves out the measurement. Write what changed, under which conditions, and how you know.

Start with the exercise

The University of Arkansas Extension's strength-training glossary defines a one-repetition maximum in relation to a particular exercise and good form. The number belongs to the specific exercise performed.

An exercise name should therefore be part of the record. Include a meaningful variation in that name. A paused variation and an unpaused variation should not silently share the same entry.

The same applies to equipment. If a machine changes, retain the machine name or identifying detail. That allows a future comparison to use the same reference.

Name the kind of record

Use labels that tell the reader what happened:

Record label Information needed
Heaviest completed single Exercise, load, unit and date
Repetition record Exercise, load and completed repetitions
Best set under a named instruction The instruction, load and repetitions
Estimated one-rep max Estimate label, input set and method
Competition result Event, division and official result source

You can celebrate a useful result without making it a maximum-lift claim. “Completed more repetitions at the same load” is precise and understandable.

Keep estimates separate from completed lifts

An estimated one-rep max is a calculated value. A completed single is an observed performance. Keep those labels visible in your log, even when the numbers look similar.

If an app displays an estimate, keep the input set and the estimate label. Do not later copy only the number into a column labelled “lifted.” If the app changes its method, your saved inputs let you understand the difference.

You do not need an estimated maximum to keep a useful log. Actual completed work is valuable information by itself.

Add the conditions that affect comparison

A record becomes more useful when another person can read it without a long explanation. Keep the details that change what the entry means.

For example:

Date: ____. Exercise and variation: ____. Equipment: ____. Load and unit: ____. Repetitions completed: ____. Relevant instruction: ____. Evidence or notes: ____.

If assistance was involved, record it. If the range or setup changed, record that too. Clear context helps you and your coach decide which entries belong in the same comparison.

Avoid replacing the old entry with the new one. Keeping both dates shows the history and protects the original conditions from being forgotten.

Use records as a conversation tool

A personal record can help frame a coaching discussion. Bring the relevant log entries and identify the task you were comparing. A training log also captures useful work between records: repeated sets, technique notes and progress toward the current goal.

Our training-log guide offers a basic record format. For the difference between an ordinary training entry and a judged result, read gym PRs and competition lifts. If you want help interpreting your own records, use the personal-training inquiry.

Common questions

Is every personal record a one-rep max?

No. A personal record can describe a different defined achievement, such as a repetition record at a stated load.

Is an estimated maximum a completed lift?

No. Keep calculated estimates labelled separately from loads you actually lifted.

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