Field notes

Ideas, Evidence, and the Energy Transition.

Writing from the intersection of data, systems, policy, and the occasional human experiment.

Human performance

2 articles

Human performance 25 Jun 2026 · 4 min read

The Long Run: A Parkrun Record of Progress, Patience and a Mid-2021 Breakthrough

The mid-2021 breakthrough stands out not as one lucky fast run, but as a concentrated sequence of improving performances within a much longer and more variable record.

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Human performance 24 Jun 2026 · 3 min read

Fifteen Years of the Premier League: What Sustained Success Looks Like

Sustained football success is not explained by league tables alone: fair per-game comparisons, balanced performance and controlled aggression reveal a richer picture.

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