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Strength training: performance and markers differ

← Research briefs

A barbell and blank stopwatch sit beside a runner on a winding track.
Conceptual editorial illustration; not scientific evidence.

· 1 min read

First published:

Research through: 8 May 2026

A foundational review separates running-test improvements from physiological markers.

Selected research available by this Friday; older studies are background, not weekly discoveries. Assessed in October 2026; screening was not exhaustive.

Topics: Training

Finding

High-load and combined strength training improved pooled running-test performance.

Limitations: Test gains do not predict individual race gains.

Evidence level: Emerging evidence

Finding

No method clearly improved maximal oxygen uptake, metabolic steady state or sprint capacity.

Limitations: Nonsignificance does not prove no individual response.

Evidence level: Emerging evidence

Finding

Evidence certainty ranged from very low to moderate.

Limitations: Combined-training performance showed publication bias.

Evidence level: Emerging evidence

Interpretation

Choose the outcome you want to assess. This review does not establish the best personal lifting program or ultra-race benefit.

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